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F04B2207/0423

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FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04BPOSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS F04B2207/00External parameters

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Patents Grantslast 30 patents

Information Patent Grant
Multi-pressure compensation of variable displacement pump
- Patent number 5,133,644
- Issue date Jul 28, 1992
- Halliburton Company
- Stephen W. Barr
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents