Inventor · disambiguated record
Marc Graaf
Also filed as: GRAAF MARC
32 granted patents·13 pending applications·95 citations·filing 2005–2023
96Inventor score
Files withHANON SYSTEMS17VISTEON GLOBAL TECH INC10HALLA VISTEON CLIMATE CONTROL8GRAAF MARC4HECKT ROMAN2
Top patents by PatentIndex Score
45 records- 0192US11781657B23-2 way expansion valveHANON SYSTEMS·Filed 2022·Granted Oct 10, 2023·3 cites·7 claims
- 0291US10875385B2Climate control system of a motor vehicle and method for operating the climate control systemHANON SYSTEMS·Filed 2019·Granted Dec 29, 2020·5 cites·15 claims
- 0390US9242528B2Heat exchanger arrangement and air conditioning system of a motor vehicleVISTEON GLOBAL TECH INC·Filed 2013·Granted Jan 26, 2016·9 cites·14 claims
- 0488US10040334B2R744 based heat pump system with a water cooled gas cooler for cooling, heating and dehumidification of an EV/HEVHALLA VISTEON CLIMATE CONTROL·Filed 2015·Granted Aug 7, 2018·5 cites·12 claims
- 0586US9242527B2Refrigerant circuit of an HVAC system of a motor vehicleGRAAF MARC·Filed 2011·Granted Jan 26, 2016·8 cites·11 claims
- 0685US10787061B2Heat pump system with additional heat source for evaporation of refrigerantHANON SYSTEMS·Filed 2016·Granted Sep 29, 2020·4 cites·8 claims
- 0785US10710433B2AC-system with very high cooling capacityHANON SYSTEMS·Filed 2017·Granted Jul 14, 2020·3 cites·18 claims
- 0884US8959936B2Method for operation of an HVAC systemRICHTER GERALD·Filed 2011·Granted Feb 24, 2015·6 cites·15 claims
- 0982US9821625B2Heat exchanger assembly for heat absorption and climate control system of a motor vehicleVISTEON GLOBAL TECH INC·Filed 2013·Granted Nov 21, 2017·5 cites·5 claims
- 1082US8524387B2Battery unit for hybrid or electric vehiclesGRAAF MARC·Filed 2010·Granted Sep 3, 2013·5 cites·10 claims
- 1181US8037698B2Air conditioning unit for motor vehicles and method for its operationVISTEON GLOBAL TECH INC·Filed 2008·Granted Oct 18, 2011·8 cites·18 claims
- 1277US9683671B2Valve block assembly for several valvesHALLA VISTEON CLIMATE CONTROL·Filed 2015·Granted Jun 20, 2017·4 cites·12 claims
- 1376US10989451B2Oil management in a refrigeration system—compressor oil cooler integrated into gascoolerHANON SYSTEMS·Filed 2016·Granted Apr 27, 2021·2 cites·9 claims
- 1476US10160290B2Modular designed high performance heat pump system for a vehicle with low waste heat radiationHANON SYSTEMS·Filed 2016·Granted Dec 25, 2018·2 cites·10 claims
- 1575US10252596B2Chiller integration into vcool systemHANON SYSTEMS·Filed 2016·Granted Apr 9, 2019·1 cites·8 claims
- 1675US9821627B2Air-conditioning system for a motor vehicleHALLA VISTEON CLIMATE CONTROL·Filed 2014·Granted Nov 21, 2017·3 cites·16 claims
- 1773US2023358320A13-2 way expansion valveHANON SYSTEMS·Filed 2023·Application pending·0 cites
- 1872US9481225B2Modular air conditioning system with heat pump functionalityRICHTER GERALD·Filed 2012·Granted Nov 1, 2016·4 cites·11 claims
- 1970US9346336B2Refrigerant circuit of an air conditioner with heat pumpVISTEON GLOBAL TECH INC·Filed 2013·Granted May 24, 2016·2 cites·3 claims
- 2068US10914504B2Device and method for icing prevention regulation for heat pump evaporatorsHALLA VISTEON CLIMATE CONTROL·Filed 2013·Granted Feb 9, 2021·2 cites·8 claims
- 2168US9897356B2Refrigeration plant with refrigerant evaporator arrangement and process for parallel air and battery contact coolingGRAAF MARC·Filed 2011·Granted Feb 20, 2018·2 cites·13 claims
- 2268US9530994B2Heat exchanger for temperature control of vehicle batteriesPIERRE ERIC D·Filed 2009·Granted Dec 27, 2016·5 cites·16 claims
- 2363US10017031B2Heat exchanger arrangement for heat uptake and air conditioning system of a motor vehicleVISTEON GLOBAL TECH INC·Filed 2013·Granted Jul 10, 2018·1 cites·19 claims
- 2462US8733125B2Refrigerant accumulator for motor vehicle air conditioning unitsHECKT ROMAN·Filed 2008·Granted May 27, 2014·2 cites·10 claims
- 2561US10363792B2Air-conditioning system for cooling and drying air in passenger compartment of vehicleHANON SYSTEMS·Filed 2015·Granted Jul 30, 2019·1 cites·9 claims
- 2660US9963010B2Air conditioning system for an automobileHALLA VISTEON CLIMATE CONTROL·Filed 2015·Granted May 8, 2018·1 cites·16 claims
- 2759US10017028B2Heat exchanger for refrigerant circuitryHALLA VISTEON CLIMATE CONTROL·Filed 2013·Granted Jul 10, 2018·1 cites·14 claims
- 2859US9170038B2Air conditioning unit for vehicles and method of operating the sameHECKT ROMAN·Filed 2007·Granted Oct 27, 2015·1 cites·12 claims
- 2958US2014331710A1Compact hvac system for a motor vehicleHALLA VISTEON CLIMATE CONTROL·Filed 2014·Application pending·0 cites
- 3054US2018209548A13-2 way expansion valveHANON SYSTEMS·Filed 2018·Application pending·0 cites
- 3151US2013188936A1Method for controlling a heat pump with integration of a coolant circuitVISTEON GLOBAL TECH INC·Filed 2013·Application pending·0 cites
- 3250US2011036117A1Compact hvac system for a motor vehicleVISTEON GLOBAL TECH INC·Filed 2010·Application pending·0 cites
- 3348US10449834B2Refrigerant circuit for a vehicle air conditioning system with heat pumpHANON SYSTEMS·Filed 2016·Granted Oct 22, 2019·0 cites·10 claims
- 3448US7275391B2Assembly for refrigerant circuitsVISTEON GLOBAL TECH INC·Filed 2005·Granted Oct 2, 2007·0 cites·26 claims
- 3548US2013074528A1Air dehumidification unit and processVISTEON GLOBAL TECH INC·Filed 2012·Application pending·0 cites
- 3647US10279655B2HV iCool light HVACHANON SYSTEMS·Filed 2016·Granted May 7, 2019·0 cites·13 claims
- 3747US2013025311A1Motor vehicle refrigerant circuit with a refrigeration system circuit and a heat pump circuitVISTEON GLOBAL TECH INC·Filed 2012·Application pending·0 cites
- 3846US2007144207A1Refrigerant accumulator with liquid separatorKLOTTEN THOMAS·Filed 2006·Application pending·0 cites
- 3944US2012085512A1Vehicle cooling systemGRAAF MARC·Filed 2011·Application pending·0 cites
- 4043US2018029438A1Device for heat transfer and method for operating the deviceHANON SYSTEMS·Filed 2017·Application pending·0 cites
- 4142US10571164B2Air-conditioning system of a motor vehicle and method for operating the air-conditioning systemHANON SYSTEMS·Filed 2016·Granted Feb 25, 2020·0 cites·15 claims
- 4241US10712064B2Apparatus for separating and storing liquid refrigerant in refrigerant circuitHANON SYSTEMS·Filed 2016·Granted Jul 14, 2020·0 cites·9 claims
- 4340US2017030250A1Compact cooling moduleHANON SYSTEMS·Filed 2016·Application pending·0 cites
- 4436US2017217278A1Air conditioning system for conditioning air in automobile passenger compartmentHANON SYSTEMS·Filed 2015·Application pending·0 cites
- 4536US2015345844A1Accumulator for combined component with internal heat exchanger especially for refrigerant loops with r774 as working fluidHALLA VISTEON CLIMATE CONTROL·Filed 2015·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Marc Graaf files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →