John L. Bowers

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Long Beach, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Hingeless flapper valve for flow control
- Patent number 7,448,219
- Issue date Nov 11, 2008
- John L. Bowers
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...

Patents Applicationslast 30 patents

Information Patent Application
Hingeless flapper valve for flow control
- Publication number 20050279103
- Publication date Dec 22, 2005
- John L. Bowers
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES