John C. Bergmann

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Alvin, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Integrated control system for beam pump systems
- Patent number 7,219,723
- Issue date May 22, 2007
- Weatherford/Lamb, Inc.
- Mark Barnes
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Integrated control system for beam pump systems
- Patent number 7,032,659
- Issue date Apr 25, 2006
- Weatherford/Lamb, Inc.
- Mark Barnes
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
Integrated control system for beam pump systems
- Publication number 20060169447
- Publication date Aug 3, 2006
- Weatherford/Lamb, Inc.
- Mark Barnes
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Integrated control system for beam pump systems
- Publication number 20040144529
- Publication date Jul 29, 2004
- Mark Barnes
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...