Patent Assignment
Reel/Frame 022092/0737
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded: 2009-01-13
Received: 2009-01-13
Pages: 18
Assignor
GENERAL MOTORS CORPORATION
Executed: 2005-01-19
Assignee
GM GLOBAL TECHNOLOGY OPERATIONS, INC.
P.O. BOX 300, MAIL CODE 482-C23-B21, DETROIT, MI, 48265-3000, UNITED STATES
Covered Applications
(100)
STAMPED FUEL CELL BIPOLAR PLATE
App. No. 12/207,541
→
FLOW FIELD PLATE ARRANGEMENT FOR A FUEL CELL
App. No. 12/201,443
→
FUEL PROCESSING SYSTEM HAVING GAS RECIRCULATION FOR TRANSIENT OPERATIONS
App. No. 12/187,993
→
CARBON MONOXIDE CLEAN-UP IN A PEM FUEL CELL SYSTEM
App. No. 12/171,901
→
SUPERSONIC VAPOR COMPRESSION AND HEAT REJECTION CYCLE
App. No. 12/170,090
→
ELECTRICALLY CONDUCTIVE ELEMENT TREATED FOR USE IN A FUEL CELL
App. No. 12/143,302
→
FLEXIBLE BIPOLAR PLATE
App. No. 12/139,153
→
FLOW CONTROL FOR MULTIPLE STACKS
App. No. 12/104,752
→
DIFFUSION MEDIA TAILORED TO ACCOUNT FOR VARIATIONS IN OPERATING HUMIDITY AND DEVICES INCORPORATING THE SAME
App. No. 12/056,611
→
METHOD FOR DETECTING COMPRESSOR SURGE IN A FUEL CELL SYSTEM USING A MASS FLOW METER
App. No. 12/027,023
→
LOW CONTACT RESISTANCE BONDING METHOD FOR BIPOLAR PLATES IN A PEM FUEL CELL
App. No. 12/023,952
→
FLUID FLOW PULSING FOR INCREASED STABILITY IN PEM FUEL CELL
App. No. 12/021,394
→
METHOD FOR SHUTTING DOWN A FUEL CELL SYSTEM USING AN AIR PURGE
App. No. 11/836,557
→
METHOD OF MAKING MEMBRANE ELECTRODE ASSEMBLIES
App. No. 11/762,103
→
METHOD FOR PROVIDING BACK-PRESSURE FOR A FUEL CELL STACK
App. No. 11/750,888
→
FUEL CELL SYSTEM INCLUDING A TWO-POSITION BACK-PRESSURE VALVE
App. No. 11/750,875
→
METHOD AND PROCESS FOR UNITIZED MEA
App. No. 11/750,224
→
VARIABLE CATALYST LOADING BASED ON FLOW FIELD GEOMETRY
App. No. 11/581,600
→
SELECTIVE METHANATION REACTOR FOR REDUCING CARBON MONOXIDE IN A REFORMATE STREAM
App. No. 11/502,860
→
DIRECT WATER VAPORIZATION FOR FUEL PROCESSOR STARTUP AND TRANSIENTS
App. No. 11/335,003
→
DIRECT WATER VAPORIZATION FOR FUEL PROCESSOR STARTUP AND TRANSIENTS
App. No. 11/335,002
→
DIAGNOSTIC METHOD FOR DETECTING A COOLANT PUMP FAILURE IN A FUEL CELL SYSTEM BY TEMPERATURE MEASUREMENT
App. No. 11/266,606
→
UNTREATED DIFFUSION MEDIA WITH MESOPOROUS LAYER AND DEVICES INCORPORATING THE SAME
App. No. 11/255,734
→
QUALITY CONTROL METHODS FOR GAS DIFFUSION MEDIA
App. No. 11/249,663
→
CARBON MONOXIDE ADSORPTION FOR CARBON MONOXIDE CLEAN-UP IN A FUEL CELL SYSTEM
App. No. 11/243,084
→
AIR DISTRIBUTION METHOD AND CONTROLLER FOR A FUEL CELL SYSTEM
App. No. 11/185,660
→
NITRIDED BIPOLAR PLATES
App. No. 11/155,182
→
MULTI-STAGE RAPID VAPORIZATION APPARATUS AND METHOD
App. No. 11/117,791
→
Composite flow field plates and process of molding the same
App. No. 11/106,065
→
FUEL REFORMER SYSTEM WITH IMPROVED WATER TRANSFER
App. No. 11/087,911
→
METHOD OF OPERATING A FUEL CELL POWER PLANT
App. No. 11/077,423
→
METHODS, APPARATUS, AND SYSTEMS FOR PRODUCING HYDROGEN FROM A FUEL
App. No. 11/070,919
→
CIRCULATION CHECK FOR FUEL CELL COOLANT
App. No. 11/069,323
→
SULFONATED POLYELECTROLYTE MEMBRANES CONTAINING PERFLUOROSULFONATE IONOMERS
App. No. 11/053,714
→
SULFONATED POLY(PHENYLENE SULFIDE) FILMS AS POLYELECTROLYTE MEMBRANES
App. No. 11/053,434
→
HOMOGENOUS THERMAL COOLANT CYCLING IN FUEL CELL STACK
App. No. 11/053,633
→
FUEL CELL BIPOLAR PLATES WITH MULTIPLE ACTIVE AREAS SEPARATED BY NON-CONDUCTIVE FRAME HEADER
App. No. 11/041,664
→
CONTROL OF RH CONDITIONS IN ELECTROCHEMICAL CONVERSION ASSEMBLY
App. No. 11/035,184
→
INTEGRATION OF AN ELECTRICAL DIODE WITHIN A FUEL CELL
App. No. 11/028,837
→
AIR HUMIDIFICATION FOR FUEL CELL APPLICATIONS
App. No. 11/018,661
→
REACTOR MANUFACTURING METHOD FOR A FUEL CELL PROCESSOR
App. No. 11/019,036
→
REACTANT FEED FOR NESTED STAMPED PLATES FOR A COMPACT FUEL CELL
App. No. 11/009,378
→
NONLINEAR THERMAL CONTROL OF A PEM FUEL CELL STACK
App. No. 11/009,526
→
INTEGRATED FUEL PROCESSOR FOR RAPID START AND OPERATIONAL CONTROL
App. No. 11/002,569
→
MEMBRANE TREATMENT METHOD
App. No. 10/997,475
→
Gas diffusion medium with microporous bilayer
App. No. 10/987,131
→
ELECTROCONDUCTIVE POLYMER COATING ON ELECTROCONDUCTIVE ELEMENTS IN A FUEL CELL
App. No. 10/988,324
→
Control apparatus to improve start-up time in a PEM fuel cell power module
App. No. 10/982,304
→
PASSIVE RESTRICTION PATHWAYS IN FUEL CELL WATER DRAINAGE
App. No. 10/981,848
→
SPLIT ARCHITECTURES FOR MEA DURABILITY
App. No. 10/981,867
→
METHOD FOR STABILIZING POLYELECTROLYTE MEMBRANE FILMS USED IN FUEL CELLS
App. No. 10/978,981
→
LOW VOLTAGE COMPRESSOR OPERATION FOR A FUEL CELL POWER SYSTEM
App. No. 10/968,591
→
MULTIPLE STAGE COMBUSTION PROCESS TO MAINTAIN A CONTROLLABLE REFORMATION TEMPERATURE PROFILE
App. No. 10/962,651
→
FUEL PROCESSING SYSTEM HAVING GAS RECIRCULATION FOR TRANSIENT OPERATIONS
App. No. 10/963,248
→
MULTIPLE STAGE COMBUSTION PROCESS TO MAINTAIN A CONTROLLABLE REFORMATION TEMPERATURE PROFILE
App. No. 10/962,802
→
THERMOELECTRIC AUGMENTED FUEL CELL SYSTEM
App. No. 10/961,868
→
FUEL CELL DESIGN AND CONTROL METHOD TO FACILITATE SELF HEATING THROUGH CATALYTIC COMBUSTION OF ANODE EXHAUST
App. No. 10/961,698
→
SUPERSONIC VAPOR COMPRESSION AND HEAT REJECTION CYCLE
App. No. 10/960,123
→
COMPOSITE PROTON EXCHANGE MEMBRANE
App. No. 10/960,552
→
MANUFACTURE OF UNITIZED ELECTRODE ASSEMBLY FOR PEM FUEL CELLS
App. No. 10/960,880
→
SULFONATED POLY (ARYLENE) FILMS AS POLYELECTROLYTE MEMBRANES
App. No. 10/956,653
→
INTEGRATED CURRENT SENSORS FOR A FUEL CELL STACK
App. No. 10/953,778
→
DEVICE AND METHOD TO EXPAND OPERATING RANGE OF A FUEL CELL STACK
App. No. 10/948,613
→
Optimal temperature tracking for necessary and accurate thermal control of a fuel cell system
App. No. 10/948,402
→
Graphite/metal foil/polymer substrate laminate for low contact resistance bipolar plate application
App. No. 10/947,569
→
GASOLINE FUEL CELL POWER SYSTEM TRANSIENT CONTROL
App. No. 10/935,452
→
SEALING SYSTEM ASSEMBLY FOR HIGH PRESSURE FLUID HANDLING DEVICES
App. No. 10/926,632
→
FLUID FLOW PATH FOR STAMPED BIPOLAR PLATE
App. No. 10/926,748
→
METHOD OF USING H2 PURGE FOR STACK STARTUP/SHUTDOWN TO IMPROVE STACK DURABILITY
App. No. 10/927,348
→
FLEXIBLE BIPOLAR PLATE
App. No. 10/925,753
→
SEAL CONFIGURATION FOR FUEL CELL STACK
App. No. 10/925,849
→
MULTI-ZONE VOLTAGE FUEL CELL
App. No. 10/925,755
→
ELECTROCHEMICAL FUEL CELL ELEMENTS HAVING IMPROVED COMPRESSION OVER CHANNELS
App. No. 10/926,178
→
EDGE STRESS RELIEF IN DIFFUSION MEDIA
App. No. 10/925,754
→
DIFFUSION MEDIA WITH MICROPOROUS LAYER
App. No. 10/925,853
→
CONTROL OF POLYMER SURFACE DISTRIBUTION ON DIFFUSION MEDIA FOR IMPROVED FUEL CELL PERFORMANCE
App. No. 10/924,317
→
PRE-TREATMENT METHOD FOR MEMBRANE ELECTRODE ASSEMBLY
App. No. 10/921,241
→
Fuel cell side plates with controlled tensile compliance
App. No. 10/920,657
→
PROCEDURES FOR SHUTTING DOWN FUEL CELL SYSTEM BY USING AIR PURGE AT LOW CELL TEMPERATURE
App. No. 10/920,838
→
STAMPED BRIDGES AND PLATES FOR REACTANT DELIVERY FOR A FUEL CELL
App. No. 10/917,066
→
FUEL CELL STACK DESIGN AND METHOD OF OPERATION
App. No. 10/917,038
→
DIFFUSION MEDIA WITH HYDROPHOBIC AND HYDROPHILIC PROPERTIES
App. No. 10/913,860
→
METHOD OF ESTABLISHING CONNECTIONS BETWEEN MEASURING ELECTRONICS AND FUEL CELL STACK
App. No. 10/914,018
→
INCREASING THE HYDROPHILICITY OF CARBON FIBER PAPER BY ELECTROPOLYMERIZATION
App. No. 10/912,396
→
Humidifier bypass system and method for PEM fuel cell
App. No. 10/912,298
→
CATALYST LAYER EDGE PROTECTION FOR ENHANCED MEA DURABILITY IN PEM FUEL CELLS
App. No. 10/903,912
→
STAMPED PEM FUEL CELL PLATE MANUFACTURING
App. No. 10/903,167
→
EDGE-PROTECTED CATALYST-COATED DIFFUSION MEDIA AND MEMBRANE ELECTRODE ASSEMBLIES
App. No. 10/909,265
→
ISOLATED AND INSULATED STACK END UNIT INLET/OUTLET MANIFOLD HEADERS
App. No. 10/901,646
→
FUEL CELL STACK TEMPERATURE CONTROL SYSTEM AND METHOD
App. No. 10/898,144
→
ACTIVE CONTROL STRATEGY FOR PEM FUEL CELL LIQUID WATER EVACUATION
App. No. 10/878,709
→
LOW VOLTAGE POWER TAP ON HIGH VOLTAGE STACK
App. No. 10/875,464
→
FCPM FREEZE START HEATER
App. No. 10/864,716
→
INTEGRATED SWITCHING ASSEMBLIES FOR A FUEL CELL STACK
App. No. 10/863,015
→
PROCESS AND APPARATUS FOR PRODUCING HYDROGEN
App. No. 10/480,346
→
HEAT EXCHANGER MECHANIZATION TO TRANSFER REFORMATE ENERGY TO STEAM AND AIR
App. No. 10/859,396
→
PEMFC electrocatalyst based on mixed carbon supports
App. No. 10/851,695
→
BRANCHED FLUID CHANNELS FOR IMPROVED FLUID FLOW THROUGH FUEL CELL
App. No. 10/848,701
→
CATHODE HUMIDIFICATION OF A PEM FUEL CELL THROUGH EXHAUST GAS RECIRCULATION INTO A POSITIVE DISPLACEMENT COMPRESSOR
App. No. 10/848,203
→
CORROSION RESISTANT PLATE FOR PEM FUEL CELL AND METHODS OF MAKING SAME
App. No. 10/845,904
→