William Degroff

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Byron, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Turbofan emergency generator
- Patent number 7,841,163
- Issue date Nov 30, 2010
- Hamilton Sundstrand Corporation
- Richard C. Welch
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
RAM air turbine over-speed protector using redundant yoke plate lin...
- Patent number 7,074,010
- Issue date Jul 11, 2006
- Hamilton Sundstrand Corporation
- William T. DeGroff
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...

Patents Applicationslast 30 patents

Information Patent Application
Turbofan emergency generator
- Publication number 20080110151
- Publication date May 15, 2008
- Richard C. Welch
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
Fan driven emergency generator
- Publication number 20060137355
- Publication date Jun 29, 2006
- Pratt & Whitney Canada Corp.
- Richard Welch
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
Ram air turbine over-speed protection using redundant yoke plate li...
- Publication number 20060078430
- Publication date Apr 13, 2006
- William T. DeGroff
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...