Frank Keoppel

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Ogden, UT, US

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Patents Grantslast 30 patents

Information Patent Grant
Four stroke internal combustion engine with inlet air compression c...
- Patent number 7,270,110
- Issue date Sep 18, 2007
- Frank Keoppel
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Two-stroke internal combustion engine with isolated crankcase
- Patent number 6,536,384
- Issue date Mar 25, 2003
- Frank Keoppel
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...

Patents Applicationslast 30 patents

Information Patent Application
Four stroke internal combustion engine with inlet air compression c...
- Publication number 20060169226
- Publication date Aug 3, 2006
- Frank Keoppel
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
Four stroke internal combustion engine with isolated crankcase
- Publication number 20040007192
- Publication date Jan 15, 2004
- Frank Keoppel
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...