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Ralph Hobmeyr
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Mainz-Kastel, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Piezoelectric injector for fuel cell
Patent number
9,911,994
Issue date
Mar 6, 2018
GM Global Technology Operations LLC
Ralph Hobmeyr
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Valve unit and motor vehicle
Patent number
9,752,697
Issue date
Sep 5, 2017
GM Global Technology Operations LLC
Ralph Hobmeyr
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Passive closing device for thermal self-protection of high pressure...
Patent number
9,163,616
Issue date
Oct 20, 2015
GM Global Technology Operations LLC
Oliver Maier
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Grant
Method for preventing pressure in vessels from dropping below minim...
Patent number
8,927,171
Issue date
Jan 6, 2015
GM Global Technology Operations LLC
Ralph Hobmeyr
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Grant
Coolant ventilation system
Patent number
8,875,735
Issue date
Nov 4, 2014
GM Global Technology Operations LLC
Rainer Pechtold
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Compressed gas tank system with fast fueling ability at any vessel...
Patent number
8,656,938
Issue date
Feb 25, 2014
GM Global Technology Operations LLC
Ralph Hobmeyr
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Grant
Calibration of all pressure transducers in a hydrogen storage system
Patent number
8,561,453
Issue date
Oct 22, 2013
GM Global Technology Operations LLC
Ralph Hobmeyr
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Grant
Sealing system assembly for high pressure fluid handling devices
Patent number
8,506,266
Issue date
Aug 13, 2013
GM Global Technology Operations LLC
Ralph Hobmeyr
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Fuel cell cooling tank assembly
Patent number
8,053,127
Issue date
Nov 8, 2011
GM Global Technology Operations LLC
Ralph T. J. Hobmeyr
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Ion exchange cartridge for fuel cell applications
Patent number
8,007,948
Issue date
Aug 30, 2011
GM Global Technology Operations LLC
Ralph T. J. Hobmeyr
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Sealing system assembly for high pressure fluid handling devices
Patent number
7,905,493
Issue date
Mar 15, 2011
GM Global Technology Operations LLC
Ralph Hobmeyr
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Vehicle plumbing to release hydrogen from fluid
Patent number
7,709,125
Issue date
May 4, 2010
GM Global Technology Operations, Inc.
Ralph Hobmeyr
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Device and method to release the overpressure of a fuel cell coolan...
Patent number
7,413,822
Issue date
Aug 19, 2008
GM Global Technology Operations, Inc.
Ralph T. J. Hobmeyr
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Cold start pre-heater for a fuel cell system
Patent number
7,368,196
Issue date
May 6, 2008
General Motors Corporation
Dirk M. Wexel
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Operation method and purging system for a hydrogen demand/delivery...
Patent number
7,354,669
Issue date
Apr 8, 2008
General Motors Corporation
Ralph T. J. Hobmeyr
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Fluid handling device for hydrogen-containing process fluids
Patent number
7,217,469
Issue date
May 15, 2007
General Motors Corporation
Ralph Hobmeyr
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
EMI protection and fuel cell systems employing the same
Patent number
7,176,385
Issue date
Feb 13, 2007
General Motors Corporation
Ralph Hobmeyr
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Supply unit cooling
Patent number
7,155,916
Issue date
Jan 2, 2007
General Motors Corporation
Ralph Hobmeyr
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Ventilation and purge of a hydrogen blower
Patent number
7,021,907
Issue date
Apr 4, 2006
General Motors Corporation
Ralph Hobmeyr
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
Information
Patent Application
VALVE UNIT AND MOTOR VEHICLE
Publication number
20150219234
Publication date
Aug 6, 2015
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Ralph Hobmeyr
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
PASSIVE CLOSING DEVICE FOR THERMAL SELF-PROTECTION OF HIGH PRESSURE...
Publication number
20140223899
Publication date
Aug 14, 2014
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Oliver Maier
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Application
PIEZOELECTRIC INJECTOR FOR FUEL CELL
Publication number
20120301807
Publication date
Nov 29, 2012
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Ralph Hobmeyr
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPRESSED GAS TANK SYSTEM WITH FAST FUELING ABILITY AT ANY VESSEL...
Publication number
20120132301
Publication date
May 31, 2012
GM Global Technology Operations, Inc.
Ralph Hobmeyr
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Application
METHOD FOR PREVENTING PRESSURE IN VESSELS FROM DROPPING BELOW MINIM...
Publication number
20120060936
Publication date
Mar 15, 2012
GM Global Technology Operations, Inc.
Ralph Hobmeyr
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Application
CALIBRATION OF ALL PRESSURE TRANSDUCERS IN A HYDROGEN STORAGE SYSTEM
Publication number
20120060584
Publication date
Mar 15, 2012
GM Global Technology Operations, Inc.
Ralph Hobmeyr
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Application
Sealing System Assembly For High Pressure Fluid Handling Devices
Publication number
20110100473
Publication date
May 5, 2011
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Ralph Hobmeyr
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
FUEL CELL COOLING TANK ASSEMBLY
Publication number
20090269638
Publication date
Oct 29, 2009
GM Global Technology Operations, Inc.
Ralph T. J. Hobmeyr
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
FUEL CELL COOLING TANK ASSEMBLY
Publication number
20090269639
Publication date
Oct 29, 2009
GM Global Technology Operations, Inc.
Ralph T. J. Hobmeyr
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
ION EXCHANGE CARTRIDGE FOR FUEL CELL APPLICATIONS
Publication number
20090233134
Publication date
Sep 17, 2009
Ralph T.J. Hobmeyr
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Coolant ventilation system
Publication number
20070175894
Publication date
Aug 2, 2007
Rainer Pechtold
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Device and method to release the overpressure of a fuel cell coolan...
Publication number
20070141421
Publication date
Jun 21, 2007
Ralph T. J. Hobmeyr
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Sealing system assembly for high pressure fluid handling devices
Publication number
20060046129
Publication date
Mar 2, 2006
Ralph Hobmeyr
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Vehicle plumbing to release hydrogen from fluid
Publication number
20050106438
Publication date
May 19, 2005
Ralph Hobmeyr
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Concentric bearing and seal arrangement of a shaft in a hydrogen sy...
Publication number
20050100462
Publication date
May 12, 2005
Ralph Hobmeyr
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
EMI protection and fuel cell systems employing the same
Publication number
20050092534
Publication date
May 5, 2005
Ralph Hobmeyr
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Supply unit cooling
Publication number
20050066680
Publication date
Mar 31, 2005
Ralph Hobmeyr
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Fluid handling device for hydrogen-containing process fluids
Publication number
20040241020
Publication date
Dec 2, 2004
Ralph Hobmeyr
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Operation method and purging system for a hydrogen demand/delivery...
Publication number
20040219401
Publication date
Nov 4, 2004
Ralph T.J. Hobmeyr
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Cold start pre-heater for a fuel cell system
Publication number
20040209135
Publication date
Oct 21, 2004
Dirk M. Wexel
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Ventilation and purge of a hydrogen blower
Publication number
20040197205
Publication date
Oct 7, 2004
Ralph Hobmeyr
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...