| Patent | Date |
|---|
Multi-zone indoor climate control and a method of using the same
Grant 11,105,529 - Shah , et al. August 31, 2 | 2021-08-31 |
Simultaneous heating and cooling of multiple zones
Grant 11,054,160 - Shah , et al. July 6, 2 | 2021-07-06 |
Discharge pressure calculation from torque in an HVAC system
Grant 10,619,903 - Schuster , et al. | 2020-04-14 |
Electric re-heat dehumidification
Grant 10,473,344 - Puranen , et al. Nov | 2019-11-12 |
Environmental control system with anti-windup structure
Grant 10,451,296 - Fan , et al. Oc | 2019-10-22 |
System and method for estimating energy consumption of an HVAC system
Grant 10,094,860 - Dempsey , et al. October 9, 2 | 2018-10-09 |
Discharge Pressure Calculation From Torque In An Hvac System
App 20180100680 - Schuster; Don A. ; et al. | 2018-04-12 |
Discharge pressure calculation from torque in an HVAC system
Grant 9,885,508 - Schuster , et al. February 6, 2 | 2018-02-06 |
Environmental Control System
App 20180003405 - Fan; Junqiang ; et al. | 2018-01-04 |
Environmental control system
Grant 9,803,883 - Fan , et al. October 31, 2 | 2017-10-31 |
Air conditioner self-charging and charge monitoring system
Grant 9,759,465 - Schuster , et al. September 12, 2 | 2017-09-12 |
Simultaneous Heating And Cooling Of Multiple Zones
App 20170003044 - Shah; Rajendra K. ; et al. | 2017-01-05 |
Method and apparatus for establishing a set back temperature for an environmental control system
Grant 9,501,071 - Shah November 22, 2 | 2016-11-22 |
System And Method For Estimating Energy Consumption Of An Hvac System
App 20160290670 - Dempsey; Daniel J. ; et al. | 2016-10-06 |
Interactive User Interface Driven By A Simulation Engine And Knowledge Repository And A Method Of Using The Same
App 20160217232 - Powell; Bradley D. ; et al. | 2016-07-28 |
System And Method For Limiting Hvac Motor Torque
App 20160216718 - Powell; Bradley D. ; et al. | 2016-07-28 |
Environmental Control System
App 20160195297 - Fan; Junqiang ; et al. | 2016-07-07 |
Multi-zone Indoor Climate Control And A Method Of Using The Same
App 20150330656 - Shah; Rajendra K. ; et al. | 2015-11-19 |
Discharge Pressure Calculation From Torque In An HVAC System
App 20150027138 - Schuster; Don A. ; et al. | 2015-01-29 |
Systems And Methods For Compressor Overspeed Control
App 20140343733 - Turner; Lynn A. ; et al. | 2014-11-20 |
Systems and methods involving heating and cooling system control
Grant 8,838,277 - Schuster , et al. September 16, 2 | 2014-09-16 |
Altitude adjustment for heating, ventilating and air conditioning systems
Grant 8,738,185 - Puranen , et al. May 27, 2 | 2014-05-27 |
Electric Re-heat Dehumidification
App 20130340448 - Puranen; Chris ; et al. | 2013-12-26 |
Air Flow Control And Power Usage Of An Indoor Blower In An HVAC System
App 20130345995 - Shah; Rajendra K. ; et al. | 2013-12-26 |
Method And Apparatus For Establishing A Set Back Temperature For An Environmental Control System
App 20130325193 - Shah; Rajendra K. | 2013-12-05 |
System And Method For Establishing Activity Based Environmental Control
App 20130325192 - Shah; Rajendra K. | 2013-12-05 |
Programmable Environmental Control Including An Energy Tracking System
App 20130317655 - Shah; Rajendra K. | 2013-11-28 |
HVAC System Fault Root Cause Self-Determination
App 20130197698 - Shah; Rajendra K. ; et al. | 2013-08-01 |
Superheat Control For A Refrigerant Vapor Compression System
App 20130174591 - Das; Sathish R. ; et al. | 2013-07-11 |
Air Conditioner Self-Charging And Charge Monitoring System
App 20130160470 - Schuster; Don A. ; et al. | 2013-06-27 |
Systems and Methods Involving Heating and Cooling System Control
App 20120010753 - Schuster; Don A. ; et al. | 2012-01-12 |
Air conditioning system for low ambient cooling
Grant 8,037,700 - Shah , et al. October 18, 2 | 2011-10-18 |
Altitude Adjustment for Heating, Ventilating and Air Conditioning Systems
App 20110146651 - Puranen; Chris ; et al. | 2011-06-23 |
Refrigerant System With Stator Heater
App 20110083450 - Turner; Lynn A. ; et al. | 2011-04-14 |
Method of verifying proper installation of a zoned HVAC system
Grant 7,854,388 - Shah , et al. December 21, 2 | 2010-12-21 |
Methods for detecting and responding to freezing coils in HVAC systems
Grant 7,836,707 - Puranen , et al. November 23, 2 | 2010-11-23 |
Method and apparatus for measurement of AC voltages in an HVAC system
Grant 7,813,885 - Shah , et al. October 12, 2 | 2010-10-12 |
Air Conditioning System for Low Ambient Cooling
App 20100223941 - Shah; Rajendra K. ; et al. | 2010-09-09 |
Refrigeration systems having diagnostic devices
Grant 7,784,290 - Shah August 31, 2 | 2010-08-31 |
Serial communicating HVAC system
Grant 7,775,452 - Shah , et al. August 17, 2 | 2010-08-17 |
Electronic method for starting a compressor
Grant 7,679,307 - Mills, Jr. , et al. March 16, 2 | 2010-03-16 |
Detection of clogged filter in an HVAC system
Grant 7,640,077 - Shah December 29, 2 | 2009-12-29 |
Identification of electric heater capacity
Grant 7,615,726 - Shah , et al. November 10, 2 | 2009-11-10 |
Electronic Method for Starting a Compressor
App 20090001921 - Mills, JR.; Eugene L. ; et al. | 2009-01-01 |
Control of multi-zone and multi-stage HVAC system
Grant 7,377,450 - Van Ostrand , et al. May 27, 2 | 2008-05-27 |
Method Of Verifying Proper Installation Of A Zoned Hvac System
App 20080097651 - Shah; Rajendra K. ; et al. | 2008-04-24 |
Method of verifying proper installation of a zoned HVAC system
Grant 7,360,370 - Shah , et al. April 22, 2 | 2008-04-22 |
Ordered record of system-wide fault in an HVAC system
Grant 7,308,384 - Shah , et al. December 11, 2 | 2007-12-11 |
Methods for detecting and responding to freezing coils in HVAC systems
App 20070234746 - Puranen; Chris ; et al. | 2007-10-11 |
Single integrated humidity and ventilation control in an HVAC system
Grant 7,266,960 - Shah September 11, 2 | 2007-09-11 |
Refrigeration systems having diagnostic devices
App 20070186568 - Shah; Rajendra K. | 2007-08-16 |
Method for automatically adjusting the defrost interval in a heat pump system
App 20070180838 - Shah; Rajendra K. | 2007-08-09 |
Method and apparatus for measurement of AC voltages in an HVAC system
App 20070170171 - Shah; Rajendra K. ; et al. | 2007-07-26 |
Self-configuring controls for heating, ventilating and air conditioning systems
Grant 7,243,004 - Shah , et al. July 10, 2 | 2007-07-10 |
Failure mode for HVAC system
Grant 7,216,016 - Van Ostrand , et al. May 8, 2 | 2007-05-08 |
Service and diagnostic tool for HVAC systems
Grant 7,212,887 - Shah , et al. May 1, 2 | 2007-05-01 |
Determination of maximum allowable humidity in indoor space to avoid condensation inside building envelope
Grant 7,178,350 - Shah February 20, 2 | 2007-02-20 |
Identification of electric heater capacity
App 20060153548 - Shah; Rajendra K. ; et al. | 2006-07-13 |
Identification of electric heater capacity
Grant 7,039,300 - Shah , et al. May 2, 2 | 2006-05-02 |
Continuous fan control in a multi-zone HVAC system
Grant 7,036,743 - Shah May 2, 2 | 2006-05-02 |
Method and system for automatically optimizing zone duct damper positions
Grant 7,017,827 - Shah , et al. March 28, 2 | 2006-03-28 |
Detection of clogged filter in an HVAC system
App 20060058924 - Shah; Rajendra K. | 2006-03-16 |
Detection of clogged filter in an HVAC system
Grant 6,993,414 - Shah January 31, 2 | 2006-01-31 |
Zone damper fault detection in an HVAC system
Grant 6,981,383 - Shah , et al. January 3, 2 | 2006-01-03 |
Method and system for determining relative duct sizes by zone in an HVAC system
Grant 6,964,174 - Shah November 15, 2 | 2005-11-15 |
Identification Of Electric Heater Capacity
App 20050207741 - Shah, Rajendra K. ; et al. | 2005-09-22 |
Control device
Grant D507,976 - Roher , et al. August 2, 2 | 2005-08-02 |
Method and system for automatically optimizing zone duct damper positions
App 20050156050 - Shah, Rajendra K. ; et al. | 2005-07-21 |
Service and diagnostic tool for HVAC systems
App 20050159847 - Shah, Rajendra K. ; et al. | 2005-07-21 |
Method of verifying proper installation of a zoned HVAC system
App 20050159848 - Shah, Rajendra K. ; et al. | 2005-07-21 |
Failure mode for HVAC system
App 20050159846 - Van Ostrand, William F. ; et al. | 2005-07-21 |
Single integrated humidity and ventilation control in an HVAC system
App 20050155363 - Shah, Rajendra K. | 2005-07-21 |
Zone damper fault detection in an HVAC system
App 20050155365 - Shah, Rajendra K. ; et al. | 2005-07-21 |
Control of multi-zone and multi-stage HVAC system
App 20050156049 - Van Ostrand, William F. ; et al. | 2005-07-21 |
Method And System For Determining Relative Duct Sizes By Zone In An Hvac System
App 20050155367 - Shah, Rajendra K. | 2005-07-21 |
Determination of maximum allowable humidity in indoor space to avoid condensation inside building envelope
App 20050155362 - Shah, Rajendra K. | 2005-07-21 |
Continuous fan control in a multi-zone HVAC system
App 20050156054 - Shah, Rajendra K. | 2005-07-21 |
Ordered record of system-wide fault in an HVAC system
App 20050159924 - Shah, Rajendra K. ; et al. | 2005-07-21 |
Detection of clogged filter in an HVAC system
App 20050154495 - Shah, Rajendra K. | 2005-07-14 |
Serial communicating HVAC system
App 20050145705 - Shah, Rajendra K. ; et al. | 2005-07-07 |
Self-configuring controls for heating, ventilating and air conditioning systems
App 20050149232 - Shah, Rajendra K. ; et al. | 2005-07-07 |
Heat pump with improved performance in heating mode
Grant 6,907,745 - Turner , et al. June 21, 2 | 2005-06-21 |
Heat pump with improved performance in heating mode
App 20040261441 - Turner, Lynn A. ; et al. | 2004-12-30 |
Expandable media filter assembly
Grant 6,814,773 - Shah , et al. November 9, 2 | 2004-11-09 |
Expandable media filter with flexible spacing ribbons
Grant 6,652,613 - Shah , et al. November 25, 2 | 2003-11-25 |
Method and apparatus for assembling an expandable media filter with spacing ribbons
Grant 6,638,333 - Schuld , et al. October 28, 2 | 2003-10-28 |
Method and apparatus for assembling an expandable and disposable media filter
Grant 6,599,343 - Fredrick , et al. July 29, 2 | 2003-07-29 |
Expandable media filter with flexible spacing ribbons
App 20030066425 - Shah, Rajendra K. ; et al. | 2003-04-10 |
Method and apparatus for assembling an expandable media filter with spacing ribbons
App 20030066275 - Schuld, Daniel E. ; et al. | 2003-04-10 |
Method and apparatus for assembling an expandable media filter
App 20030066424 - Shah, Rajendra K. ; et al. | 2003-04-10 |
Method and apparatus for assembling an expandable and disposable media filter
App 20030066274 - Fredrick, Michael T. ; et al. | 2003-04-10 |
Expandable media filter assembly
App 20030066423 - Shah, Rajendra K. ; et al. | 2003-04-10 |
Apparatus and method of operating a heat pump to improve heating supply air temperature
Grant 6,131,402 - Mills, Jr. , et al. October 17, 2 | 2000-10-17 |
Humidity control thermostat and method for an air conditioning system
Grant 6,070,110 - Shah , et al. May 30, 2 | 2000-05-30 |
Control system and methods for a multiparameter electronically commutated motor
Grant 5,592,058 - Archer , et al. January 7, 1 | 1997-01-07 |
Heating ventilating and/or air conditioning system having a variable speed indoor blower motor
Grant 5,492,273 - Shah February 20, 1 | 1996-02-20 |
Controlled setpoint recovery
Grant 5,454,511 - Van Ostrand , et al. October 3, 1 | 1995-10-03 |
Variable speed HVAC without controller and responsive to a conventional thermostat
Grant 5,410,230 - Bessler , et al. April 25, 1 | 1995-04-25 |
Integrated electronically commutated motor and control circuit assembly
Grant 5,006,744 - Archer , et al. April 9, 1 | 1991-04-09 |
Method and apparatus for controlling a blower motor in an air handling system
Grant 4,978,896 - Shah December 18, 1 | 1990-12-18 |
Duty cycle timer
Grant 4,745,629 - Essig , et al. May 17, 1 | 1988-05-17 |
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