Robert K. London

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Bakersfield, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Rod pump beam position determination from motor power
- Patent number 5,425,623
- Issue date Jun 20, 1995
- Eaton Corporation
- Robert K. London
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Detection of rod pump fillage from motor power
- Patent number 5,372,482
- Issue date Dec 13, 1994
- Eaton Corporation
- Robert K. London
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rod pump flow rate determination from motor power
- Patent number 5,318,409
- Issue date Jun 7, 1994
- Westinghouse Electric Corp.
- Robert K. London
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...