Graaf; Marc

Patent Applications and Registrations

Patent applications and USPTO patent grants for Graaf; Marc.The latest application filed is for "3-2 way expansion valve".

Company Profile

10.39.46

Graaf; Marc - Krefeld DE

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
3-2 Way Expansion Valve App 20220196160 - Zens; Daniel ; et al.	2022-06-23
Oil management in a refrigeration system--compressor oil cooler integrated into gascooler Grant 10,989,451 - Durrani , et al. April 27, 2	2021-04-27
Device and method for icing prevention regulation for heat pump evaporators Grant 10,914,504 - Schmitz , et al. February 9, 2	2021-02-09
Climate control system of a motor vehicle and method for operating the climate control system Grant 10,875,385 - Durrani , et al. December 29, 2	2020-12-29
Heat pump system with additional heat source for evaporation of refrigerant Grant 10,787,061 - Durrani , et al. September 29, 2	2020-09-29
AC-system with very high cooling capacity Grant 10,710,433 - Graaf , et al.	2020-07-14
Apparatus for separating and storing liquid refrigerant in refrigerant circuit Grant 10,712,064 - Spies , et al.	2020-07-14
Air-conditioning system of a motor vehicle and method for operating the air-conditioning system Grant 10,571,164 - Durrani , et al. Feb	2020-02-25
Refrigerant circuit for a vehicle air conditioning system with heat pump Grant 10,449,834 - Graaf , et al. Oc	2019-10-22
Climate Control System Of A Motor Vehicle And Method For Operating The Climate Control System App 20190263223 - DURRANI; Navid ; et al.	2019-08-29
Air-conditioning system for cooling and drying air in passenger compartment of vehicle Grant 10,363,792 - Richter , et al.	2019-07-30
HV iCool light HVAC Grant 10,279,655 - Graaf , et al.	2019-05-07
Chiller integration into vcool system Grant 10,252,596 - Graaf , et al.	2019-04-09
Modular designed high performance heat pump system for a vehicle with low waste heat radiation Grant 10,160,290 - Durrani , et al. Dec	2018-12-25
R744 based heat pump system with a water cooled gas cooler for cooling, heating and dehumidification of an EV/HEV Grant 10,040,334 - Graaf , et al. August 7, 2	2018-08-07
3-2 Way Expansion Valve App 20180209548 - Zens; Daniel ; et al.	2018-07-26
Heat exchanger for refrigerant circuitry Grant 10,017,028 - Heyl , et al. July 10, 2	2018-07-10
Heat exchanger arrangement for heat uptake and air conditioning system of a motor vehicle Grant 10,017,031 - Klein , et al. July 10, 2	2018-07-10
Air conditioning system for an automobile Grant 9,963,010 - Froehling , et al. May 8, 2	2018-05-08
Refrigeration plant with refrigerant evaporator arrangement and process for parallel air and battery contact cooling Grant 9,897,356 - Graaf , et al. February 20, 2	2018-02-20
Device For Heat Transfer And Method For Operating The Device App 20180029438 - Bara; Christoph ; et al.	2018-02-01
Ac-system With Very High Cooling Capacity App 20180001737 - Graaf; Marc ; et al.	2018-01-04
Air-conditioning system for a motor vehicle Grant 9,821,627 - Della Rovere , et al. November 21, 2	2017-11-21
Heat exchanger assembly for heat absorption and climate control system of a motor vehicle Grant 9,821,625 - Graaf , et al. November 21, 2	2017-11-21
Air-conditioning System For Cooling And Drying Air In Passenger Compartment Of Vehicle App 20170299232 - Richter; Gerald ; et al.	2017-10-19
Air Conditioning System For Conditioning Air In Automobile Passenger Compartment App 20170217278 - Richter; Gerald ; et al.	2017-08-03
Heat Pump System With Additional Heat Source For Evaporation Of Refrigerant App 20170182867 - Durrani; Navid ; et al.	2017-06-29
Apparatus For Separating And Storing Liquid Refrigerant In Refrigerant Circuit App 20170176069 - Spies; Toni ; et al.	2017-06-22
Valve block assembly for several valves Grant 9,683,671 - Le Pellec , et al. June 20, 2	2017-06-20
Oil Management In A Refrigeration System - Compressor Oil Cooler Integrated Into Gascooler App 20170167764 - Durrani; Navid ; et al.	2017-06-15
HV iCOOL LIGHT SYSTEM App 20170113515 - Graaf; Marc ; et al.	2017-04-27
HV iCOOL LIGHT HVAC App 20170087956 - Graaf; Marc ; et al.	2017-03-30
Compact Cooling Module App 20170030250 - Graaf; Marc ; et al.	2017-02-02
Modular Designed High Performance Heat Pump System For A Vehicle With Low Waste Heat Radiation App 20170021695 - Durrani; Navid ; et al.	2017-01-26
CHILLER INTEGRATION INTO vCOOL SYSTEM App 20170001493 - Graaf; Marc ; et al.	2017-01-05
Heat exchanger for temperature control of vehicle batteries Grant 9,530,994 - Pierre , et al. December 27, 2	2016-12-27
Modular air conditioning system with heat pump functionality Grant 9,481,225 - Richter , et al. November 1, 2	2016-11-01
Air-conditioning System Of A Motor Vehicle And Method For Operating The Air-conditioning System App 20160265819 - Durrani; Navid ; et al.	2016-09-15
Air-conditioning System For A Motor Vehicle App 20160207371 - Della Rovere; Roberto ; et al.	2016-07-21
Refrigerant circuit of an air conditioner with heat pump Grant 9,346,336 - Graaf , et al. May 24, 2	2016-05-24
R744 Based Heat Pump System With A Water Cooled Gas Cooler For Cooling, Heating And Dehumidification Of An Ev/hev App 20160082805 - Graaf; Marc ; et al.	2016-03-24
Refrigerant circuit of an HVAC system of a motor vehicle Grant 9,242,527 - Graaf , et al. January 26, 2	2016-01-26
Heat exchanger arrangement and air conditioning system of a motor vehicle Grant 9,242,528 - Graaf , et al. January 26, 2	2016-01-26
Accumulator For Combined Component With Internal Heat Exchanger Especially For Refrigerant Loops With R774 As Working Fluid App 20150345844 - Koster; Stephan ; et al.	2015-12-03
Air conditioning unit for vehicles and method of operating the same Grant 9,170,038 - Heckt , et al. October 27, 2	2015-10-27
Valve Block Assembly For Several Valves App 20150292647 - Le Pellec; Corinne ; et al.	2015-10-15
Air Conditioning System For An Automobile App 20150283876 - Froehling; Joern ; et al.	2015-10-08
Heat Exchanger For Refrigerant Circuitry App 20150251517 - Heyl; Peter ; et al.	2015-09-10
Device And Method For Icing Prevention Regulation For Heat Pump Evaporators App 20150107278 - Schmitz; Engelbert ; et al.	2015-04-23
Method for operation of an HVAC system Grant 8,959,936 - Richter , et al. February 24, 2	2015-02-24
Compact Hvac System For A Motor Vehicle App 20140331710 - Frohling; Jorn ; et al.	2014-11-13
Refrigerant accumulator for motor vehicle air conditioning units Grant 8,733,125 - Heckt , et al. May 27, 2	2014-05-27
Heat Exchanger Assembly For Heat Absorption And Climate Control System Of A Motor Vehicle App 20140075975 - Graaf; Marc ; et al.	2014-03-20
Heat Exchanger Arrangement And Air Conditioning System Of A Motor Vehicle App 20140075973 - Graaf; Marc ; et al.	2014-03-20
Heat Exchanger Arrangement For Heat Uptake And Air Conditioning System Of A Motor Vehicle App 20140075974 - Klein; Torsten ; et al.	2014-03-20
Refrigerant Circuit Of An Air Conditioner With Heat Pump App 20130305753 - Graaf; Marc ; et al.	2013-11-21
Battery unit for hybrid or electric vehicles Grant 8,524,387 - Graaf , et al. September 3, 2	2013-09-03
Method For Controlling A Heat Pump With Integration Of A Coolant Circuit App 20130188936 - Graaf; Marc ; et al.	2013-07-25
Air Dehumidification Unit And Process App 20130074528 - Graaf; Marc ; et al.	2013-03-28
Modular Air Conditioning System With Heat Pump Functionality App 20130042637 - Richter; Gerald ; et al.	2013-02-21
Motor Vehicle Refrigerant Circuit With A Refrigeration System Circuit And A Heat Pump Circuit App 20130025311 - Graaf; Marc ; et al.	2013-01-31
Refrigeration Plant With Refrigerant Evaporator Arrangement And Process For Parallel Air And Battery Contact Cooling App 20120125032 - Graaf; Marc ; et al.	2012-05-24
Vehicle cooling system App 20120085512 - Graaf; Marc ; et al.	2012-04-12
Refrigerant Circuit Of An Hvac System Of A Motor Vehicle App 20120085114 - Graaf; Marc ; et al.	2012-04-12
Air conditioning unit for motor vehicles and method for its operation Grant 8,037,698 - Heckt , et al. October 18, 2	2011-10-18
Method For Operation Of An Hvac System App 20110174000 - Richter; Gerald ; et al.	2011-07-21
Compact Hvac System For A Motor Vehicle App 20110036117 - Frohling; Jorn ; et al.	2011-02-17
Battery Unit For Hybrid Or Electric Vehicles App 20110003187 - Graaf; Marc ; et al.	2011-01-06
Heat Exchanger For Temperature Control Of Vehicle Batteries App 20100147488 - Pierre; Eric D. ; et al.	2010-06-17
Refrigerant Accumulator For Motor Vehicle Air Conditioning Units App 20090044563 - Heckt; Roman ; et al.	2009-02-19
Air Conditioning Unit For Motor Vehicles And Method For Its Operation App 20090019861 - Heckt; Roman ; et al.	2009-01-22
Air Conditioning Unit For Vehicles And Method Of Operating The Same App 20070283703 - Heckt; Roman ; et al.	2007-12-13
Assembly for refrigerant circuits Grant 7,275,391 - Prinz , et al. October 2, 2	2007-10-02
Refrigerant Accumulator With Liquid Separator App 20070144207 - Klotten; Thomas ; et al.	2007-06-28
Assembly for refrigerant circuits App 20060096313 - Prinz; Dominik ; et al.	2006-05-11

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