Clark G. Hochgraf

Person

Honeoye Falls, NY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Life extension of PEM fuel cell using startup method
- Patent number 8,828,616
- Issue date Sep 9, 2014
- GM Global Technology Operations LLC
- Clark G. Hochgraf
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
System and method for shorting a fuel cell stack
- Patent number 7,968,240
- Issue date Jun 28, 2011
- GM Global Technology Operations LLC
- Clark G. Hochgraf
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method and apparatus for measurement of fuel cell high frequency re...
- Patent number 7,421,356
- Issue date Sep 2, 2008
- GM Global Technology Operations, Inc.
- David Rea
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
LOW COST METHOD AND SIGNAL PROCESSING ALGORITHM TO RAPIDLY DETECT A...
- Publication number 20120064424
- Publication date Mar 15, 2012
- GM Global Technology Operations, Inc.
- ROBERT L. FUSS
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
LIFE EXTENSION OF PEM FUEL CELL USING STARTUP METHOD
- Publication number 20100112382
- Publication date May 6, 2010
- GM Global Technology Operations, Inc.
- Clark G. Hochgraf
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
OFF-STATE DEGRADATION PREVENTION IN A FUEL CELL WITHOUT ON-STATE LO...
- Publication number 20100035090
- Publication date Feb 11, 2010
- GM Global Technology Operations, Inc.
- CLARK G. HOCHGRAF
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
SYSTEM AND METHOD FOR SHORTING A FUEL CELL STACK
- Publication number 20100003546
- Publication date Jan 7, 2010
- Clark G. Hochgraf
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
FUEL CELL SYSTEM USING CATHODE EXHAUST FOR ANODE RECIRCULATION
- Publication number 20080311441
- Publication date Dec 18, 2008
- Clark G. Hochgraf
- B60 - VEHICLES IN GENERAL
Information Patent Application
METHOD AND APPARATUS FOR MEASUREMENT OF FUEL CELL HIGH FREQUENCY RE...
- Publication number 20080091367
- Publication date Apr 17, 2008
- GM Global Technology Operations, Inc.
- David Rea
- G01 - MEASURING TESTING

Clark G. Hochgraf

Person

Patents Grantslast 30 patents

Life extension of PEM fuel cell using startup method

System and method for shorting a fuel cell stack

Method and apparatus for measurement of fuel cell high frequency re...

Patents Applicationslast 30 patents

LOW COST METHOD AND SIGNAL PROCESSING ALGORITHM TO RAPIDLY DETECT A...

LIFE EXTENSION OF PEM FUEL CELL USING STARTUP METHOD

OFF-STATE DEGRADATION PREVENTION IN A FUEL CELL WITHOUT ON-STATE LO...

SYSTEM AND METHOD FOR SHORTING A FUEL CELL STACK

FUEL CELL SYSTEM USING CATHODE EXHAUST FOR ANODE RECIRCULATION

METHOD AND APPARATUS FOR MEASUREMENT OF FUEL CELL HIGH FREQUENCY RE...