Peter J. Shwets

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St. Albert, CA

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for shifting speeds in a fluid-actuated motor
- Patent number 7,523,792
- Issue date Apr 28, 2009
- National Oilwell, Inc.
- Kosay I. El-Rayes
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for shifting speeds in a fluid-actuated motor
- Publication number 20060243493
- Publication date Nov 2, 2006
- Kosay I. El-Rayes
- E21 - EARTH DRILLING MINING