James B. Jensen

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Coffeyville, KS, US

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Patents Grantslast 30 patents

Information Patent Grant
Pumping unit with variable work stroke and return stroke torque fac...
- Patent number 7,406,887
- Issue date Aug 5, 2008
- James B. Jensen
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Deep well hydraulic pump system using high pressure accumulator
- Patent number 4,234,294
- Issue date Nov 18, 1980
- James B. Jensen
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Subsurface hydraulic pump using high pressure accumulator
- Patent number 4,234,295
- Issue date Nov 18, 1980
- James B. Jensen
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
Pumping unit with variable work stroke and return stroke torque fac...
- Publication number 20060060011
- Publication date Mar 23, 2006
- James B. Jensen
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...