Hans K. Wefers

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Jever, DE

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Patents Grantslast 30 patents

Information Patent Grant
In situ separable electric submersible pump assembly with latch device
- Patent number 6,561,775
- Issue date May 13, 2003
- Wood Group ESP, Inc.
- Hans Wefers
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Gearbox assembly for deep oil well pumps
- Patent number 6,440,033
- Issue date Aug 27, 2002
- Franz Morat KG (GmbH & Co)
- Richard G. Sühling
- E21 - EARTH DRILLING MINING
Information Patent Grant
Gearbox assembly for deep oil well pumps
- Patent number 6,063,001
- Issue date May 16, 2000
- Franz Morat KG (GmbH & Co.)
- Richard G. Suhling
- E21 - EARTH DRILLING MINING