Michael A. Porch

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Anderson, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Fluid well pumping system
- Patent number 6,810,961
- Issue date Nov 2, 2004
- John E. Marvel
- E21 - EARTH DRILLING MINING
Information Patent Grant
Fluid well pumping system
- Patent number 6,558,128
- Issue date May 6, 2003
- John E. Marvel
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Fluid well pump
- Patent number 6,435,838
- Issue date Aug 20, 2002
- John E. Marvel
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Fluid well pumping system
- Publication number 20050279493
- Publication date Dec 22, 2005
- John E. Marvel
- E21 - EARTH DRILLING MINING
Information Patent Application
Fluid well pumping system
- Publication number 20030136557
- Publication date Jul 24, 2003
- John E. Marvel
- E21 - EARTH DRILLING MINING
Information Patent Application
Fluid well pumping system
- Publication number 20020182089
- Publication date Dec 5, 2002
- John E. Marvel
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...