| Patent | Date |
|---|
Heat pump and water heater
Grant 11,448,430 - Taras , et al. September 20, 2 | 2022-09-20 |
Hybrid heat pump with improved dehumidification
Grant 11,435,095 - Taras , et al. September 6, 2 | 2022-09-06 |
Heat Exchanger For A Heating, Ventilation, And Air-conditioning System
App 20220205725 - Taras; Michael F. ; et al. | 2022-06-30 |
Performance and position monitoring of a mobile HVAC and R unit
Grant 11,225,186 - Lifson , et al. January 18, 2 | 2022-01-18 |
Heat Exchanger For A Heating, Ventilation, And Air-Conditioning System
App 20210381699 - Taras; Michael F. ; et al. | 2021-12-09 |
Heating, Ventilation, and Air-Conditioning System with a Thermal Energy Storage Device
App 20210364208 - Taras; Michael F. | 2021-11-25 |
Heat Exchanger For Residential Hvac Applications
App 20210341227 - Joardar; Arindom ; et al. | 2021-11-04 |
Heating, Ventilation, and Air-Conditioning System with Reheat
App 20210302073 - Taras; Michael F | 2021-09-30 |
Inverter System For A Heating, Ventilation, And Air-Conditioning System
App 20210302089 - Taras; Michael F | 2021-09-30 |
Systems and Methods for Compressor Design
App 20210262461 - Taras; Michael F. ; et al. | 2021-08-26 |
Heating, Ventilation, and Air-Conditioning Systems and Methods
App 20210215400 - Taras; Michael F. | 2021-07-15 |
Heat Pump With Dehumidification
App 20210180807 - Taras; Michael F. ; et al. | 2021-06-17 |
Heating system including a refrigerant boiler
Grant 11,029,040 - Lord , et al. June 8, 2 | 2021-06-08 |
Heat Pump And Water Heater
App 20210131709 - Taras; Michael F. ; et al. | 2021-05-06 |
Hybrid Heat Pump With Improved Dehumidification
App 20210095872 - Taras; Michael F. ; et al. | 2021-04-01 |
Heat pump with dehumidification
Grant 10,935,260 - Taras , et al. March 2, 2 | 2021-03-02 |
Air Conditioning System With Capacity Control And Controlled Hot Water Generation
App 20210018234 - Lingrey; David J. ; et al. | 2021-01-21 |
Heat pump and water heater
Grant 10,871,314 - Taras , et al. December 22, 2 | 2020-12-22 |
Hybrid heat pump with improved dehumidification
Grant 10,866,002 - Taras , et al. December 15, 2 | 2020-12-15 |
Method for manufacturing a multiple manifold assembly having internal communication ports
Grant 10,830,542 - Taras , et al. November 10, 2 | 2020-11-10 |
Flattened Tube Finned Heat Exchanger And Fabrication Method
App 20200348088 - Taras; Michael F. ; et al. | 2020-11-05 |
Flattened tube finned heat exchanger and fabrication method
Grant 10,767,937 - Taras , et al. Sep | 2020-09-08 |
Low refrigerant charge microchannel heat exchanger
Grant 10,753,656 - Taras , et al. A | 2020-08-25 |
Heat exchanger for air-cooled chiller
Grant 10,508,862 - Joardar , et al. Dec | 2019-12-17 |
Low Refrigerant Charge Microchannel Heat Exchanger
App 20190271492 - Taras; Michael F. ; et al. | 2019-09-05 |
Brazed plate heat exchanger for water-cooled heat rejection in a refrigeration cycle
Grant 10,401,094 - Taras , et al. Sep | 2019-09-03 |
Bypass unloader valve for compressor capacity control
Grant 10,337,507 - Lifson , et al. | 2019-07-02 |
Dual duty microchannel heat exchanger
Grant 10,337,799 - Taras | 2019-07-02 |
Multiple Tube Bank Heat Exchange Unit With Manifold Assembly
App 20190178580 - Taras; Michael F. ; et al. | 2019-06-13 |
Heat Pump With Dehumidification
App 20190178509 - Taras; Michael F. ; et al. | 2019-06-13 |
Low refrigerant charge microchannel heat exchanger
Grant 10,288,331 - Taras , et al. | 2019-05-14 |
Multipass Microchannel Heat Exchanger
App 20190107313 - Saito; Kazuo ; et al. | 2019-04-11 |
Multiple tube bank heat exchange unit with manifold assembly
Grant 10,247,481 - Taras , et al. | 2019-04-02 |
Multipass microchannel heat exchanger
Grant 10,184,703 - Saito , et al. Ja | 2019-01-22 |
Folded Conduit For Heat Exchanger Applications
App 20190017752 - Alahyari; Abbas A. ; et al. | 2019-01-17 |
Pressure Spike Reduction For Refrigerant Systems Incorporating A Microchannel Heat Exchanger
App 20180372384 - Taras; Michael F. ; et al. | 2018-12-27 |
Microchanel heat exchanger evaporator
Grant 10,161,686 - Taras Dec | 2018-12-25 |
Hydrophobic Heat Exchangers
App 20180306533 - Alahyari; Abbas A. ; et al. | 2018-10-25 |
Pressure spike reduction for refrigerant systems incorporating a microchannel heat exchanger
Grant 10,107,535 - Taras , et al. October 23, 2 | 2018-10-23 |
Heat Exchanger For Residential Hvac Applications
App 20180299205 - Rahhal; Charbel ; et al. | 2018-10-18 |
Heating System Including A Refrigerant Boiler
App 20180209666 - Lord; Richard G. ; et al. | 2018-07-26 |
Pulse width modulation with discharge to suction bypass
Grant 10,006,681 - Lifson , et al. June 26, 2 | 2018-06-26 |
Superheat control for HVACandR systems
Grant 9,995,516 - Lifson , et al. June 12, 2 | 2018-06-12 |
Hybrid Heat Pump With Improved Dehumidification
App 20180128506 - Taras; Michael F. ; et al. | 2018-05-10 |
Enhanced Heat Exchanger
App 20180100706 - Taras; Michael F. ; et al. | 2018-04-12 |
Double-wall Heat Exchanger
App 20180073811 - Taras; Michael F. ; et al. | 2018-03-15 |
Method for fabricating flattened tube finned heat exchanger
Grant 9,901,966 - Taras , et al. February 27, 2 | 2018-02-27 |
Performance And Position Monitoring Of A Mobile Hvac&r Unit
App 20180043816 - Lifson; Alexander ; et al. | 2018-02-15 |
Discrete frequency operation for unit capacity control
Grant 9,890,982 - Lifson , et al. February 13, 2 | 2018-02-13 |
Heat Pump And Water Heater
App 20180010829 - Taras; Michael F. ; et al. | 2018-01-11 |
Low Refrigerant Charge Microchannel Heat Exchanger
App 20170276411 - Taras; Michael F. ; et al. | 2017-09-28 |
Heat Exchanger For Residential Hvac Applications
App 20170153062 - Joardar; Arindom ; et al. | 2017-06-01 |
Microchanel Heat Exchanger Evaporator
App 20170089642 - Taras; Michael F. | 2017-03-30 |
Remote software loading for refrigerant system
Grant 9,464,835 - Lifson , et al. October 11, 2 | 2016-10-11 |
Dual Duty Microchannel Heat Exchanger
App 20160290730 - Taras; Michael F. | 2016-10-06 |
Variable frequency drive heat sink assembly
Grant 9,429,151 - Taras , et al. August 30, 2 | 2016-08-30 |
Transport refrigeration system powered by diesel engine with pressurized combustion air
Grant 9,358,859 - Taras , et al. June 7, 2 | 2016-06-07 |
Method For Manufacturing A Multiple Manifold Assembly Having Internal Communication Ports
App 20160116230 - Taras; Michael F. ; et al. | 2016-04-28 |
Multipass Microchannel Heat Exchanger
App 20160054077 - Saito; Kazuo ; et al. | 2016-02-25 |
Folded Tube Multiple Bank Heat Exchange Unit
App 20160054075 - Taras; Michael F. | 2016-02-25 |
Heat Exchanger For Air-cooled Chiller
App 20160033182 - Joardar; Arindom ; et al. | 2016-02-04 |
Aluminum Heat Exchanger
App 20160014929 - Jaworowski; Mark R. ; et al. | 2016-01-14 |
Multiple Tube Bank Heat Exchange Unit With Manifold Assembly
App 20160003545 - Taras; Michael F. ; et al. | 2016-01-07 |
Multiple Bank Flattened Tube Heat Exchanger
App 20150377561 - Taras; Michael F. ; et al. | 2015-12-31 |
Tube Structures For Heat Exchanger
App 20150377563 - Taras; Michael F. ; et al. | 2015-12-31 |
System and method for control of heat system operation by changing a switching set point of operation
Grant 9,200,811 - Lifson , et al. December 1, 2 | 2015-12-01 |
Combined operation and control of suction modulation and pulse width modulation valves
Grant 9,139,066 - Lifson , et al. September 22, 2 | 2015-09-22 |
Operation and control of tandem compressors and reheat function
Grant 9,103,575 - Taras , et al. August 11, 2 | 2015-08-11 |
Heat Exchanger For Use In A Condensing Gas-fired Hvac Appliance
App 20150204579 - Brown; Michael L. ; et al. | 2015-07-23 |
Dual Powder Coating For Aluminum Heat Exchangers
App 20150198389 - Jaworowski; Mark R. ; et al. | 2015-07-16 |
Dual powder coating method for aluminum substrates
Grant 8,993,070 - Jaworowski , et al. March 31, 2 | 2015-03-31 |
Automated brazing system
Grant 8,960,522 - Taras , et al. February 24, 2 | 2015-02-24 |
Multiple Tube Bank Heat Exchanger Assembly And Fabrication Method
App 20150027677 - Taras; Michael F. ; et al. | 2015-01-29 |
Refrigerant system performance enhancement by subcooling at intermediate temperatures
Grant 8,925,336 - Lifson , et al. January 6, 2 | 2015-01-06 |
Method For Fabricating Flattened Tube Finned Heat Exchanger
App 20150000133 - Taras; Michael F. ; et al. | 2015-01-01 |
Pulse width modulated system with pressure regulating valve
Grant 8,904,813 - Lifson , et al. December 9, 2 | 2014-12-09 |
Heat Sink For Cooling Power Electronics
App 20140332182 - Taras; Michael F. ; et al. | 2014-11-13 |
Transport Refrigeration System Powered By Diesel Engine With Pressurized Combustion Air
App 20140331706 - Taras; Michael F. ; et al. | 2014-11-13 |
Multiple Bank Flattened Tube And Folded Fin Heat Exchanger
App 20140311720 - Taras; Michael F. ; et al. | 2014-10-23 |
Variable Frequency Drive Heat Sink Assembly
App 20140298846 - Taras; Michael F. ; et al. | 2014-10-09 |
Flattened Tube Finned Heat Exchanger And Fabrication Method
App 20140262181 - Taras; Michael F. ; et al. | 2014-09-18 |
Micro-port Shell And Tube Heat Exchanger
App 20140124171 - Taras; Michael F. ; et al. | 2014-05-08 |
Heat Transfer Enhancement For A Condensing Furnace
App 20140102673 - Joardar; Arindom ; et al. | 2014-04-17 |
Automated Brazing System
App 20140084043 - Taras; Michael F. ; et al. | 2014-03-27 |
Restriction in vapor injection line
Grant 8,661,846 - Lifson , et al. March 4, 2 | 2014-03-04 |
Brazed Plate Heat Exchanger For Water-cooled Heat Rejection In A Refrigeration Cycle
App 20130319036 - Taras; Michael F. ; et al. | 2013-12-05 |
Tube Structures For Heat Exchanger
App 20130306288 - Taras; Michael F. ; et al. | 2013-11-21 |
Refrigerant system with expander speed control
Grant 8,584,487 - Lifson , et al. November 19, 2 | 2013-11-19 |
Heating System Including A Refrigerant Boiler
App 20130256423 - Lord; Richard G. ; et al. | 2013-10-03 |
Multiple Tube Bank Flattened Tube Finned Heat Exchanger
App 20130240186 - Taras; Michael F. ; et al. | 2013-09-19 |
Refrigeration Unit With Corrosion Durable Heat Exchanger
App 20130233524 - Taras; Michael F. ; et al. | 2013-09-12 |
Economized refrigeration cycle with expander
Grant 8,528,359 - Lifson , et al. September 10, 2 | 2013-09-10 |
Refrigerant vapor injection for distribution improvement in parallel flow heat exchanger manifolds
Grant 8,528,358 - Taras , et al. September 10, 2 | 2013-09-10 |
Microchannel Heat Exchanger Fin
App 20130153174 - Taras; Michael F. ; et al. | 2013-06-20 |
Aluminum Fin And Tube Heat Exchanger
App 20130098591 - Taras; Michael F. ; et al. | 2013-04-25 |
Suction valve pulse width modulation control based on evaporator or condenser pressure
Grant 8,424,328 - Lifson , et al. April 23, 2 | 2013-04-23 |
Refrigerant system with variable speed compressor and reheat function
Grant 8,418,486 - Taras , et al. April 16, 2 | 2013-04-16 |
Heat pump with intercooler
Grant 8,381,538 - Lifson , et al. February 26, 2 | 2013-02-26 |
Refrigerant system with intercooler and liquid/vapor injection
Grant 8,375,741 - Taras , et al. February 19, 2 | 2013-02-19 |
Refrigeration systems with voltage modulated compressor motors and methods of their control
Grant 8,375,735 - Lifson , et al. February 19, 2 | 2013-02-19 |
Heat pump with heat recovery
Grant 8,373,099 - Lifson , et al. February 12, 2 | 2013-02-12 |
Oil return in refrigerant system
Grant 8,359,873 - Lifson , et al. January 29, 2 | 2013-01-29 |
Injection of refrigerant in system with expander
Grant 8,356,489 - Lifson , et al. January 22, 2 | 2013-01-22 |
Refrigerant system with intercooler utilized for reheat function
Grant 8,356,491 - Taras , et al. January 22, 2 | 2013-01-22 |
Indoor air quality improvement by re-evaporation control
Grant 8,347,643 - Taras , et al. January 8, 2 | 2013-01-08 |
Tandem compressors with common intermediate port
Grant 8,337,176 - Lifson , et al. December 25, 2 | 2012-12-25 |
Heat exchanger design for improved performance and manufacturability
Grant 8,333,088 - Taras , et al. December 18, 2 | 2012-12-18 |
Multi-channel flat tube evaporator with improved condensate drainage
Grant 8,307,669 - Taras , et al. November 13, 2 | 2012-11-13 |
Parallel flow evaporator with spiral inlet manifold
Grant 8,302,673 - Taras , et al. November 6, 2 | 2012-11-06 |
Thermally activated high efficiency heat pump
Grant 8,297,065 - Vaisman , et al. October 30, 2 | 2012-10-30 |
Performance And Position Monitoring Of A Mobile Hvac&r Unit
App 20120266610 - Lifson; Alexander ; et al. | 2012-10-25 |
Pulse width modulation with reduced suction pressure to improve efficiency
Grant 8,276,395 - Lifson , et al. October 2, 2 | 2012-10-02 |
Free-draining Finned Surface Architecture For Heat Exchanger
App 20120227945 - Taras; Michael F. ; et al. | 2012-09-13 |
Suction valve pulse width modulation control based on compressor temperature
Grant 8,240,161 - Lifson , et al. August 14, 2 | 2012-08-14 |
Engine driven refrigerant compressor with pulse width modulation control
Grant 8,240,162 - Taras , et al. August 14, 2 | 2012-08-14 |
Parallel flow heat exchanger for heat pump applications
Grant 8,235,101 - Taras , et al. August 7, 2 | 2012-08-07 |
Suction Cutoff Unloader Valve For Compressor Capacity Control
App 20120192583 - Lifson; Alexander ; et al. | 2012-08-02 |
Dual Powder Coating Method And System
App 20120183755 - Jaworowski; Mark R. ; et al. | 2012-07-19 |
Pressure Spike Reduction For Refrigerant Systems Incorporating A Microchannel Heat Exchanger
App 20120167602 - Taras; Michael F. ; et al. | 2012-07-05 |
Method For Forming An Oxide Layer On A Brazed Article
App 20120118748 - Jaworowski; Mark R. ; et al. | 2012-05-17 |
Bypass Unloader Valve For Compressor Capacity Control
App 20120107159 - Lifson; Alexander ; et al. | 2012-05-03 |
Refrigerant system with expansion device bypass
Grant 8,136,364 - Lifson , et al. March 20, 2 | 2012-03-20 |
Heating, ventilation, air conditioning and refrigeration system with multi-zone monitoring and diagnostics
Grant 8,109,101 - Taras , et al. February 7, 2 | 2012-02-07 |
Adjustment of compressor operating limits
Grant 8,109,102 - Lifson , et al. February 7, 2 | 2012-02-07 |
Refrigerant system with variable speed drive
Grant 8,096,139 - Taras , et al. January 17, 2 | 2012-01-17 |
Tadem Compressor Operation
App 20110314845 - Lifson; Alexander ; et al. | 2011-12-29 |
Refrigerant system with multi-speed scroll compressor and economizer circuit
Grant 8,079,228 - Lifson , et al. December 20, 2 | 2011-12-20 |
Economized refrigerant vapor compression system for water heating
Grant 8,079,229 - Lifson , et al. December 20, 2 | 2011-12-20 |
Tandem compressors with discharge valve on connecting lines
Grant RE42,966 - Lifson , et al. November 29, 2 | 2011-11-29 |
Tandem Compressor Of Different Types
App 20110214439 - Lifson; Alexander ; et al. | 2011-09-08 |
Suction Superheat Conrol Based On Refrigerant Condition At Discharge
App 20110209485 - Lifson; Alexander ; et al. | 2011-09-01 |
Refrigerant vapor compression system operating at or near zero load
Grant 7,997,092 - Lifson , et al. August 16, 2 | 2011-08-16 |
Control scheme for multiple operating parameters in economized refrigerant system
Grant 7,997,091 - Lifson , et al. August 16, 2 | 2011-08-16 |
Superheat Control For Hvac&r Systems
App 20110185753 - Lifson; Alexander ; et al. | 2011-08-04 |
Refrigerant System With Adaptive Hot Gas Reheat
App 20110154837 - Taras; Michael F. | 2011-06-30 |
Suction modulation valve for refrigerant system with adjustable opening for pulse width modulation control
Grant 7,966,838 - Lifson , et al. June 28, 2 | 2011-06-28 |
Start-up For Refrigerant System With Hot Gas Reheat
App 20110146306 - Taras; Michael F. | 2011-06-23 |
Discrete Frequency Operation For Unit Capacity Control
App 20110138826 - Lifson; Alexander ; et al. | 2011-06-16 |
Method For Removing Brazing Residues From Aluminum Articles
App 20110139859 - Jaworowski; Mark R. ; et al. | 2011-06-16 |
Improved Operation Of A Refrigerant System
App 20110138827 - Lifson; Alexander ; et al. | 2011-06-16 |
Method and control for preventing flooded starts in a heat pump
Grant 7,958,737 - Lifson , et al. June 14, 2 | 2011-06-14 |
Design Characteristics For Heat Exchangers Distribution Insert
App 20110127023 - Taras; Michael F. ; et al. | 2011-06-02 |
Microchannel Heat Exchanger Module Design To Reduce Water Entrapment
App 20110127015 - Taras; Michael F. ; et al. | 2011-06-02 |
Two-phase Single Circuit Reheat Cycle And Method Of Operation
App 20110100035 - Taras; Michael F. ; et al. | 2011-05-05 |
Multi-stage Refrigerant System With Different Compressor Types
App 20110094259 - Lifson; Alexander ; et al. | 2011-04-28 |
Refrigerant System and Method of Operating the Same
App 20110094248 - Taras; Michael F. ; et al. | 2011-04-28 |
Heat exchanger with fluid expansion in header
Grant 7,931,073 - Gorbounov , et al. April 26, 2 | 2011-04-26 |
Dehumidification system with multiple condensers and compound compressor
Grant 7,921,661 - Taras , et al. April 12, 2 | 2011-04-12 |
Heat Pump With Microchannel Heat Exchangers As Both Outdoor And Reheat Exchangers
App 20110079032 - Taras; Michael F. ; et al. | 2011-04-07 |
Integrated Multi-circuit Microchannel Heat Exchanger
App 20110056667 - Taras; Michael F. ; et al. | 2011-03-10 |
Modular Heat Exchanger
App 20110056668 - Taras; Michael F. ; et al. | 2011-03-10 |
Refrigerant System Performance Enhancement By Subcooling At Intermediate Temperatures
App 20110041524 - Lifson; Alexander ; et al. | 2011-02-24 |
Charge Management In Refrigerant Vapor Compression Systems
App 20110041523 - Taras; Michael F. ; et al. | 2011-02-24 |
Parallel Flow Evaporator With Spiral Inlet Manifold
App 20110042049 - Taras; Michael F. ; et al. | 2011-02-24 |
Start-up Procedure For Refrigerant Systems Having Microchemical Consensor And Reheat Cycle
App 20110030397 - Taras; Michael F. ; et al. | 2011-02-10 |
Refrigerant System With Fuel Cell For Electricity Generation
App 20110030399 - Lifson; Alexander ; et al. | 2011-02-10 |
Microchannel Heat Exchanger With Enhanced Refrigerant Distribution
App 20110000255 - Taras; Michael F. ; et al. | 2011-01-06 |
Refrigerant Vapor Compression System
App 20100326100 - Taras; Michael F. ; et al. | 2010-12-30 |
Pulse Width Modulation With Reduced Suction Pressure To Improve Efficiency
App 20100319372 - Lifson; Alexander ; et al. | 2010-12-23 |
Variable speed compressor motor control for low speed operation
Grant 7,854,137 - Lifson , et al. December 21, 2 | 2010-12-21 |
Automated drive for fan and refrigerant system
Grant 7,854,136 - Taras , et al. December 21, 2 | 2010-12-21 |
Reheat dehumidification system in variable speed applications
Grant 7,854,140 - Lifson , et al. December 21, 2 | 2010-12-21 |
Rapid Compressor Cycling
App 20100307177 - Lifson; Alexander ; et al. | 2010-12-09 |
Refrigerant System With Reheat Refrigerant Circuit
App 20100307172 - Lifson; Alexander ; et al. | 2010-12-09 |
Speed control of multiple components in refrigerant systems
Grant 7,836,713 - Lifson , et al. November 23, 2 | 2010-11-23 |
Economized Refrigerant System With Flow Control
App 20100251750 - Lifson; Alexander ; et al. | 2010-10-07 |
Parallel flow evaporator with spiral inlet manifold
Grant 7,806,171 - Taras , et al. October 5, 2 | 2010-10-05 |
Control Of Conditioned Environment By Remote Sensor
App 20100250009 - Lifson; Alexander ; et al. | 2010-09-30 |
Air Routing For Simultaneous Heating And Cooling
App 20100242509 - Lifson; Alexander ; et al. | 2010-09-30 |
Use Of An Adjustable Expansion Vavle To Control Dehumidification
App 20100242508 - Lifson; Alexander ; et al. | 2010-09-30 |
Method And Apparatus For Improving Dehumidification
App 20100236262 - Lifson; Alexander ; et al. | 2010-09-23 |
Compressor Motor Control
App 20100236264 - Lifson; Alexander ; et al. | 2010-09-23 |
Parallel Flow Evaporator With Spiral Inlet Manifold
App 20100218924 - Taras; Michael F. ; et al. | 2010-09-02 |
Thermally Activated High Efficiency Heat Pump
App 20100218513 - Vaisman; Igor B. ; et al. | 2010-09-02 |
Engine Driven Refrigerant Compressor With Pulse Width Modulation Control
App 20100212337 - Taras; Michael F. ; et al. | 2010-08-26 |
Pulsation Attenuation In Systems With Multiple Compression Elements
App 20100215516 - Lifson; Alexander ; et al. | 2010-08-26 |
Heat Pump With Heat Recovery
App 20100206868 - Lifson; Alexander ; et al. | 2010-08-19 |
Thermoelectric Device For Defogging And Defrosting Applications
App 20100199686 - Taras; Michael F. ; et al. | 2010-08-12 |
Refrigerant System With Bypass Line And Dedicated Economized Flow Compression Chamber
App 20100199715 - Lifson; Alexander ; et al. | 2010-08-12 |
Refrigerant System With Intercooler And Liquid/vapor Injection
App 20100199694 - Taras; Michael F. ; et al. | 2010-08-12 |
Refrigerant Vapor Compression System Operating At Or Near Zero Load
App 20100199712 - Lifson; Alexander ; et al. | 2010-08-12 |
Oil Return In Refrigerant System
App 20100175396 - Lifson; Alexander ; et al. | 2010-07-15 |
Parallel Flow Heat Exchanger With Connectors
App 20100170664 - Vaisman; Igor B. ; et al. | 2010-07-08 |
Refrigerant System
App 20100170271 - Lifson; Alexander ; et al. | 2010-07-08 |
Rankine System With Gravity-driven Pump
App 20100154421 - Vaisman; Igor B. ; et al. | 2010-06-24 |
Thermoelectric Cooler For Compressor Motor
App 20100146990 - Taras; Michael F. ; et al. | 2010-06-17 |
Refrigerant System With Cascaded Circuits And Performance Enhancement Features
App 20100147006 - Taras; Michael F. ; et al. | 2010-06-17 |
Refrigerant Vapor Injection For Distribution Improvement In Parallel Flow Heat Exchanger Manifolds
App 20100139313 - Taras; Michael F. | 2010-06-10 |
Apparatus and System for Refrigerant Compressor with Liquid-Suction Heat Exchanger
App 20100132402 - Lifson; Alexandrer ; et al. | 2010-06-03 |
Refrigerant system with multi-speed scroll compressor and economizer circuit
Grant 7,721,562 - Lifson , et al. May 25, 2 | 2010-05-25 |
Thermoelectric Cooler For Economized Refrigerant Cycle Performance Boost
App 20100122540 - Taras; Michael F. ; et al. | 2010-05-20 |
Heat Exchanger With Improved Condensate Removal
App 20100107675 - Lifson; Alexander ; et al. | 2010-05-06 |
Adjustment Of Compressor Operating Limits
App 20100101247 - Lifson; Alexander ; et al. | 2010-04-29 |
Refrigerant Distribution Improvement In Parallell Flow Heat Exchanger Manifolds
App 20100095688 - Taras; Michael F. ; et al. | 2010-04-22 |
Suction Modulation Valve For Refrigerant System With Adjustable Opening For Pulse Width Modulation Control
App 20100095693 - Lifson; Alexander ; et al. | 2010-04-22 |
Refrigerant System With Expander Speed Control
App 20100083678 - Lifson; Alexander ; et al. | 2010-04-08 |
Economized Refrigerant System Utilizing Expander With Intermediate Pressure Port
App 20100083677 - Lifson; Alexander ; et al. | 2010-04-08 |
Economized Refrigeration Cycle With Expander
App 20100077777 - Lifson; Alexander ; et al. | 2010-04-01 |
Co2 Refrigerant System With Tandem Compressors, Expander And Economizer
App 20100071391 - Lifson; Alexander ; et al. | 2010-03-25 |
Parallel Flow Evaporator With Shaped Manifolds
App 20100071392 - Taras; Michael F. ; et al. | 2010-03-25 |
Refrigerant System With Intercooler Utilized For Reheat Function
App 20100071407 - Taras; Michael F. ; et al. | 2010-03-25 |
Combined Operation And Control Of Suction Modulation And Pulse Width Modulation Valves
App 20100064702 - Lifson; Alexander ; et al. | 2010-03-18 |
Refrigerant System With Pulse Width Modulation For Reheat Circuit
App 20100064722 - Taras; Michael F. | 2010-03-18 |
Refrigerant System With Economizer, Intercooler And Multi-stage Compressor
App 20100058781 - Lifson; Alexander ; et al. | 2010-03-11 |
Injection Of Refrigerant In System With Expander
App 20100058783 - Lifson; Alexander ; et al. | 2010-03-11 |
Suction Valve Pulse Width Modulation Control Based On Evaporator Or Condenser Pressure
App 20100058799 - Lifson; Alexander ; et al. | 2010-03-11 |
Tadem Compressors With Common Intermediate Port
App 20100051126 - Lifson; Alexander ; et al. | 2010-03-04 |
Refrigeration Systems With Voltage Modulated Compressor Motors And Methods Of Their Control
App 20100043469 - Lifson; Alexander ; et al. | 2010-02-25 |
Pulse Width Modulation With Discharge To Suction Bypass
App 20100043468 - Lifson; Alexander ; et al. | 2010-02-25 |
Co2 Refrigerant System With Booster Circuit
App 20100043475 - Taras; Michael F. ; et al. | 2010-02-25 |
Heat Pump With Intercooler
App 20100032133 - Lifson; Alexander ; et al. | 2010-02-11 |
Refrigerant System With Variable Capacity Expander
App 20100031677 - Lifson; Alexander ; et al. | 2010-02-11 |
Micro-channel Evaporator With Frost Detection And Control
App 20100024452 - Lifson; Alexander ; et al. | 2010-02-04 |
Refrigerant Injection Above Critical Point In A Transcritical Refrigerant System
App 20100024470 - Lifson; Alexander ; et al. | 2010-02-04 |
Multi-channel Heat Exchanger With Improved Condensate Drainage
App 20100012305 - Taras; Michael F. ; et al. | 2010-01-21 |
Refrigerant System With Pulse Width Modulation Control In Combination With Expansion Device Control
App 20100011792 - Lifson; Alexander ; et al. | 2010-01-21 |
Heat Exchanger Design For Improved Performance And Manufacturability
App 20100011804 - Taras; Michael F. ; et al. | 2010-01-21 |
Prevention Of Refrigerant Solidification
App 20100011787 - Lifson; Alexander ; et al. | 2010-01-21 |
Off-season Start-ups To Improve Reliability Of Refrigerant System
App 20100011788 - Lifson; Alexander ; et al. | 2010-01-21 |
Multi-channel Flat Tube Evaporator With Improved Condensate Drainage
App 20100012307 - Taras; Michael F. ; et al. | 2010-01-21 |
Enhanced Refrigerant System
App 20100005831 - Vaisman; Igor B. ; et al. | 2010-01-14 |
Pulse Width Modulation Control For Heat Pump Fan To Eliminate Cold Blow
App 20100000239 - Lifson; Alexander ; et al. | 2010-01-07 |
Refrigerant System With Multi-speed Scroll Compressor And Economizer Circuit
App 20100003151 - Lifson; Alexander ; et al. | 2010-01-07 |
Heating, Ventilation, Air Conditioning And Refrigeration System With Multi-zone Monitoring And Diagnostics
App 20100000238 - Taras; Michael F. ; et al. | 2010-01-07 |
Refrigerant System With Expansion Device Bypass
App 20090320506 - Lifson; Alexander ; et al. | 2009-12-31 |
Refrigerant System With Multi-speed Pulse Width Modulated Compressor
App 20090308086 - Lifson; Alexander ; et al. | 2009-12-17 |
Economized Refrigerant Vapor Compression System For Water Heating
App 20090293515 - Lifson; Alexander ; et al. | 2009-12-03 |
Tandem Compressors With Pulse Width Modulation Suction Valve
App 20090288432 - Lifson; Alexander ; et al. | 2009-11-26 |
Refrigerant System With Variable Speed Drive
App 20090255278 - Taras; Michael F. ; et al. | 2009-10-15 |
Diagnostic Method for Proper Refrigerant Valve Operation
App 20090255281 - Lifson; Alexander ; et al. | 2009-10-15 |
Detection Of Refrigerant Release In Co2 Refrigerant Systems
App 20090235673 - Lifson; Alexander ; et al. | 2009-09-24 |
Operation And Control Of Tandem Compressors And Reheat Function
App 20090235678 - Taras; Michael F. ; et al. | 2009-09-24 |
Parallel-flow Evaporators With Liquid Trap For Providing Better Flow Distribution
App 20090229282 - Taras; Michael F. ; et al. | 2009-09-17 |
Indoor Air Quality Improvement By Re-evaporation Control
App 20090223233 - Taras; Michael F. ; et al. | 2009-09-10 |
Suction Valve Pulse Width Modulation Control Based On Compressor Temperature
App 20090205349 - Lifson; Alexander ; et al. | 2009-08-20 |
System Performance Correction By Modifying Refrigerant Composition In A Refrigerant System
App 20090165472 - Lifson; Alexander ; et al. | 2009-07-02 |
Malfunction Detection For Fan Or Pump Refrigerant System
App 20090151369 - Lifson; Alexander ; et al. | 2009-06-18 |
Remote Software Loading For Refrigerant System
App 20090139246 - Lifson; Alexander ; et al. | 2009-06-04 |
Prevention of flooded starts in heat pumps
Grant 7,540,163 - Lifson , et al. June 2, 2 | 2009-06-02 |
System and Method for Control of Heat Pump Operation
App 20090125150 - Lifson; Alexander ; et al. | 2009-05-14 |
Remote Diagnostics and Prognostics for Refrigerant Systems
App 20090120111 - Taras; Michael F. ; et al. | 2009-05-14 |
Methods And Apparatus For Operating Air Conditioning Systems With An Economizer Cycle
App 20090113900 - Lifson; Alexander ; et al. | 2009-05-07 |
Heat pump with reheat and economizer functions
Grant 7,523,623 - Taras , et al. April 28, 2 | 2009-04-28 |
Sytem and method for detecting transducer failure in refrigerant systems
App 20090084119 - Lifson; Alexander ; et al. | 2009-04-02 |
HVAC&R System Control Utilizing On-Line Weather Forecasts
App 20090050703 - Lifson; Alexander ; et al. | 2009-02-26 |
Controlling a voltage-to-frequency ratio for a variable speed drive in refrigerant systems
Grant 7,481,069 - Lifson , et al. January 27, 2 | 2009-01-27 |
Including Energy Price in Optimizing Refrigerant System Operation
App 20090012651 - Lifson; Alexander ; et al. | 2009-01-08 |
Multiple condenser reheat system with tandem compressors
Grant 7,469,555 - Taras , et al. December 30, 2 | 2008-12-30 |
Refrigerant System With Variable Speed Scroll Compressor and Economizer Circuit
App 20080314057 - Lifson; Alexander ; et al. | 2008-12-25 |
Combined Muffler and Oil Separator for Refrigerant System
App 20080314063 - Lifson; Alexander ; et al. | 2008-12-25 |
Variable Capacity Multiple Circuit Air Conditioning System
App 20080307813 - Lifson; Alexander ; et al. | 2008-12-18 |
Parallel Flow Heat Exchanger For Heat Pump Applications
App 20080296005 - Taras; Michael F. ; et al. | 2008-12-04 |
Speed Control of Multiple Components in Refrigerant Systems
App 20080276637 - Lifson; Alexander ; et al. | 2008-11-13 |
Vapor Compression System With Condensate Intercooling Between Compression Stages
App 20080256975 - Lifson; Alexander ; et al. | 2008-10-23 |
Economized Refrigerant System with Vapor Injection at Low Pressure
App 20080256961 - Lifson; Alexander ; et al. | 2008-10-23 |
Induction Motor Control
App 20080260541 - Lifson; Alexander ; et al. | 2008-10-23 |
Pulse Width Modulation System with Pressure Regulating Valve
App 20080250801 - Lifson; Alexander ; et al. | 2008-10-16 |
Multi-Circuit Refrigerant System Utilizing Pulse Width Modulation Techniques
App 20080250812 - Lifson; Alexander ; et al. | 2008-10-16 |
Multi-Circuit Refrigerant System Using Distinct Refrigerants
App 20080229762 - Lifson; Alexander ; et al. | 2008-09-25 |
Refrigerant Dehumidification System with Variable Condenser Unloading
App 20080229764 - Taras; Michael F. ; et al. | 2008-09-25 |
Heat Pump with Pulse Width Modulation Control
App 20080209930 - Taras; Michael F. ; et al. | 2008-09-04 |
Restriction in Vapor Injection Line
App 20080209922 - Alexander; Lifson ; et al. | 2008-09-04 |
Closed-Loop Dehumidification Circuit For Refrigerant System
App 20080202155 - Taras; Michael F. ; et al. | 2008-08-28 |
Variable Speed Compressor Motor Control for Low Speed Operation
App 20080196445 - Lifson; Alexander ; et al. | 2008-08-21 |
Method and Control for Preventing Flooded Starts in a Heat Pump
App 20080196418 - Lifson; Alexander ; et al. | 2008-08-21 |
System Reheat Control by Pulse Width Modulation
App 20080196426 - Taras; Michael F. ; et al. | 2008-08-21 |
Minichannel heat exchanger with restrictive inserts
Grant 7,398,819 - Taras , et al. July 15, 2 | 2008-07-15 |
Pulse Width Modulation Or Variable Speed Control Of Fans In Refrigerant Systems
App 20080110610 - Lifson; Alexander ; et al. | 2008-05-15 |
Heat Exchanger With Fluid Expansion In Header
App 20080110606 - Gorbounov; Mikhail B. ; et al. | 2008-05-15 |
Parallel Flow Heat Exchanger With Crimped Channel Entrance
App 20080105420 - Taras; Michael F. ; et al. | 2008-05-08 |
Diagnosing a loss of refrigerant charge in a refrigerant system
Grant 7,343,750 - Lifson , et al. March 18, 2 | 2008-03-18 |
Fault recognition in systems with multiple circuits
Grant 7,342,756 - Lifson , et al. March 11, 2 | 2008-03-11 |
Hybrid tandem compressor system with economizer circuit and reheat function for multi-level cooling
Grant 7,325,414 - Taras , et al. February 5, 2 | 2008-02-05 |
Prevention of unpowered reverse rotation in compressors
Grant 7,300,257 - Lifson , et al. November 27, 2 | 2007-11-27 |
Multi-circuit dehumidification heat pump system
Grant 7,290,399 - Taras , et al. November 6, 2 | 2007-11-06 |
Refrigerant heat pump with reheat circuit
Grant 7,287,394 - Taras , et al. October 30, 2 | 2007-10-30 |
Heat pump with reheat circuit
Grant 7,275,384 - Taras , et al. October 2, 2 | 2007-10-02 |
Heat pump with reheat and economizer functions
Grant 7,272,948 - Taras , et al. September 25, 2 | 2007-09-25 |
Discharge valve to increase heating capacity of heat pumps
Grant 7,257,955 - Lifson , et al. August 21, 2 | 2007-08-21 |
Utilization of bypass refrigerant to provide reheat and dehumidification function in refrigerant system
Grant 7,257,957 - Lifson , et al. August 21, 2 | 2007-08-21 |
Refrigerant system with suction line restrictor for capacity correction
Grant 7,251,947 - Lifson , et al. August 7, 2 | 2007-08-07 |
Prevention of compressor unpowered reverse rotation in heat pump units
Grant 7,234,311 - Lifson , et al. June 26, 2 | 2007-06-26 |
Multi-circuit refrigerant cycle with dehumidification improvements
Grant 7,231,774 - Taras , et al. June 19, 2 | 2007-06-19 |
Multi-temp system with tandem compressors and reheat function
Grant 7,228,708 - Taras , et al. June 12, 2 | 2007-06-12 |
Tubes with elongated cross-section for flooded evaporators and condensers
Grant 7,228,711 - Taras , et al. June 12, 2 | 2007-06-12 |
Hybrid tandem compressor system with multiple evaporators and economizer circuit
Grant 7,228,707 - Lifson , et al. June 12, 2 | 2007-06-12 |
Refrigerant system with vapor injection and liquid injection through separate passages
Grant 7,204,099 - Lifson , et al. April 17, 2 | 2007-04-17 |
Vapor compression system performance enhancement and discharge temperature reduction in the unloaded mode of operation
Grant 7,201,008 - Lifson , et al. April 10, 2 | 2007-04-10 |
Valve for preventing unpowered reverse run at shutdown
Grant 7,197,890 - Taras , et al. April 3, 2 | 2007-04-03 |
Parallel flow evaporator with non-uniform characteristics
Grant 7,163,052 - Taras , et al. January 16, 2 | 2007-01-16 |
Refrigerant cycle with tandem compressors and multiple condensers
Grant 7,155,920 - Lifson , et al. January 2, 2 | 2007-01-02 |
Hot gas bypass through four-way reversing valve
Grant 7,152,416 - Lifson , et al. December 26, 2 | 2006-12-26 |
Flash tank for heat pump in heating and cooling modes of operation
Grant 7,137,270 - Lifson , et al. November 21, 2 | 2006-11-21 |
Refrigerant cycle with plural condensers receiving refrigerant at different pressure
Grant 7,131,285 - Lifson , et al. November 7, 2 | 2006-11-07 |
Refrigerant system with common economizer and liquid-suction heat exchanger
Grant 7,114,349 - Lifson , et al. October 3, 2 | 2006-10-03 |
Fluid diode expansion device for heat pumps
Grant 7,114,348 - Lifson , et al. October 3, 2 | 2006-10-03 |
Refrigerant systems with reheat and economizer
Grant 7,059,151 - Taras , et al. June 13, 2 | 2006-06-13 |
Fluid diode expansion device for heat pumps
Grant 7,043,937 - Lifson , et al. May 16, 2 | 2006-05-16 |
Hybrid dehumidication system
Grant 7,028,492 - Taras , et al. April 18, 2 | 2006-04-18 |
Refrigerant subcooling by condensate
Grant 7,013,658 - Dobmeier , et al. March 21, 2 | 2006-03-21 |
Refrigerant system with controlled refrigerant charge amount
Grant 7,010,927 - Lifson , et al. March 14, 2 | 2006-03-14 |
Dual economizer heat exchangers for heat pump
Grant 7,000,423 - Lifson , et al. February 21, 2 | 2006-02-21 |
Refrigerant system pressure control for storage and transportation
Grant 6,996,998 - Lifson , et al. February 14, 2 | 2006-02-14 |
Single expansion device for use in a heat pump
Grant 6,990,826 - Lifson , et al. January 31, 2 | 2006-01-31 |
Economized dehumidification system
Grant 6,986,264 - Taras , et al. January 17, 2 | 2006-01-17 |
Monitoring refrigerant charge
Grant 6,981,384 - Dobmeier , et al. January 3, 2 | 2006-01-03 |
Tandem compressors with discharge valve on connecting lines
Grant 6,966,192 - Lifson , et al. November 22, 2 | 2005-11-22 |
Control of multi-circuit economized system
Grant 6,966,193 - Dobmeier , et al. November 22, 2 | 2005-11-22 |
Expansion device with low refrigerant charge monitoring
Grant 6,964,173 - Dobmeier , et al. November 15, 2 | 2005-11-15 |
Vapor compression system
Grant 6,955,059 - Lifson , et al. October 18, 2 | 2005-10-18 |
Refrigerant cycle with tandem economized and conventional compressors
Grant 6,955,058 - Taras , et al. October 18, 2 | 2005-10-18 |
Control scheme and method for dehumidification systems at low ambient conditions
Grant 6,955,057 - Taras , et al. October 18, 2 | 2005-10-18 |
Hybrid reheat system with performance enhancement
Grant 6,941,770 - Taras , et al. September 13, 2 | 2005-09-13 |
Vapor compression system with bypass/economizer circuits
Grant 6,938,438 - Lifson , et al. September 6, 2 | 2005-09-06 |
Tandem compressors with economized operation
Grant 6,928,828 - Taras , et al. August 16, 2 | 2005-08-16 |
Refrigerant cycle with operating range extension
Grant 6,925,823 - Lifson , et al. August 9, 2 | 2005-08-09 |
Oil return control in refrigerant system
Grant 6,925,822 - Lifson , et al. August 9, 2 | 2005-08-09 |
Multiple refrigerant circuits with single economizer heat exchanger
Grant 6,895,781 - Dobmeier , et al. May 24, 2 | 2005-05-24 |
Combined expansion device and four-way reversing valve in economized heat pumps
Grant 6,892,553 - Lifson , et al. May 17, 2 | 2005-05-17 |
System and method for detecting loss of phase in a compressor system
Grant 6,873,504 - Lifson , et al. March 29, 2 | 2005-03-29 |
Performance enhancement of vapor compression systems with multiple circuits
Grant 6,860,116 - Lifson , et al. March 1, 2 | 2005-03-01 |
Refrigerant system performance enhancement by use of additional heat exchanger
Grant 6,826,918 - Taras , et al. December 7, 2 | 2004-12-07 |
Dual reversing valves for economized heat pump
Grant 6,817,205 - Lifson , et al. November 16, 2 | 2004-11-16 |
Compressor degradation detection system
Grant 6,799,951 - Lifson , et al. October 5, 2 | 2004-10-05 |
Humidity control method and scheme for vapor compression system with multiple circuits
Grant 6,705,093 - Taras , et al. March 16, 2 | 2004-03-16 |
Humidity control and efficiency enhancement in vapor compression system
Grant 6,701,723 - Dobmeier , et al. March 9, 2 | 2004-03-09 |
System and method for multi-stage dehumidification
Grant 6,694,756 - Taras , et al. February 24, 2 | 2004-02-24 |
Humidity and temperature control in vapor compression system
Grant 6,672,087 - Taras , et al. January 6, 2 | 2004-01-06 |
Performance enhancement of vapor compression system
Grant 6,658,867 - Taras , et al. December 9, 2 | 2003-12-09 |
Injection of liquid and vapor refrigerant through economizer ports
Grant 6,571,576 - Lifson , et al. June 3, 2 | 2003-06-03 |
Microprocessor cooler with integral acoustic attenuator
Grant 6,171,380 - Wood , et al. January 9, 2 | 2001-01-09 |
Refrigeration and heating cycle system and method
Grant 6,112,534 - Taras , et al. September 5, 2 | 2000-09-05 |
Grille for a refrigeration or air conditioning unit
Grant D412,566 - Taras , et al. August 3, 1 | 1999-08-03 |
Refrigeration system with integrated economizer/oil cooler
Grant 5,899,091 - Fraser, Jr. , et al. May 4, 1 | 1999-05-04 |
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