Inventor · disambiguated record
Dirk Wexel
Also filed as: WEXEL DIRK · WEXEL DIRK M · WEXEL DIRK MATTHIAS
10 granted patents·8 pending applications·58 citations·filing 2003–2016
87Inventor score
Files withGM GLOBAL TECH OPERATIONS INC5GEN MOTORS CORP4GM GLOBAL TECH OPERATIONS LLC2WEXEL DIRK2BARBER NICHOLS INC1
Top patents by PatentIndex Score
18 records- 0180US8313871B2Fuel cell heatingWEXEL DIRK·Filed 2006·Granted Nov 20, 2012·8 cites·18 claims
- 0273US8835065B2Fuel cell startup method for fast freeze startupBURCH STEVEN D·Filed 2006·Granted Sep 16, 2014·3 cites·14 claims
- 0372US7354669B2Operation method and purging system for a hydrogen demand/delivery unit in a fuel cell systemGEN MOTORS CORP·Filed 2004·Granted Apr 8, 2008·19 cites·28 claims
- 0471US7368196B2Cold start pre-heater for a fuel cell systemGEN MOTORS CORP·Filed 2004·Granted May 6, 2008·10 cites·17 claims
- 0566US9728799B2Fuel cell startup method for fast freeze startupGM GLOBAL TECH OPERATIONS LLC·Filed 2014·Granted Aug 8, 2017·0 cites·13 claims
- 0665US7718297B2Fuel cell system having water-retaining materialGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted May 18, 2010·1 cites·20 claims
- 0763US7226680B2Integrated air cooler, filter, and humidification unit for a fuel cell stackGEN MOTORS CORP·Filed 2003·Granted Jun 5, 2007·7 cites·32 claims
- 0857US7217469B2Fluid handling device for hydrogen-containing process fluidsGEN MOTORS CORP·Filed 2003·Granted May 15, 2007·5 cites·11 claims
- 0953US2009269639A1Fuel cell cooling tank assemblyGM GLOBAL TECH OPERATIONS INC·Filed 2008·Application pending·0 cites
- 1050US2010173577A1Blower for a motor vehicleGM GLOBAL TECH OPERATIONS INC·Filed 2008·Application pending·0 cites
- 1144US7716938B2External control of a vehicle coolant pump with remote heating optionGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted May 18, 2010·0 cites·19 claims
- 1243US2006110634A1Method and apparatus for preventing condensation in cathode exhaust conduit of fuel cellFORMANSKI VOLKER·Filed 2004·Application pending·0 cites
- 1341US7155916B2Supply unit coolingBARBER NICHOLS INC·Filed 2003·Granted Jan 2, 2007·5 cites·33 claims
- 1441US2008050625A1Fuel Cell Valve With Hydrophobically Enhanced SurfaceGM GLOBAL TECH OPERATIONS INC·Filed 2006·Application pending·0 cites
- 1539US2007212037A1Heating element and mounting for media piping of fuel cell systemsKOENEKAMP ANDREAS·Filed 2006·Application pending·0 cites
- 1639US2005079397A1Metal hydride heating elementFiled 2003·Application pending·0 cites
- 1733US2016288624A1Air vent for a vehicleGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Application pending·0 cites
- 1830US2009017337A1Freeze tolerant pressure sensorWEXEL DIRK·Filed 2007·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Dirk Wexel 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 →