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F04B2207/0411

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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
Well operation optimization
- Patent number 11,459,862
- Issue date Oct 4, 2022
- SILVERWELL TECHNOLOGY LTD.
- Peter John Watson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and auto-control system on improving pumping system performance
- Patent number 8,480,374
- Issue date Jul 9, 2013
- Zhijin Yang
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Method and apparatus for controlling a hydraulic system of a work m...
- Patent number 7,814,749
- Issue date Oct 19, 2010
- Deere & Company
- Kristen D. Cadman
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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

Information Patent Application
Method and Auto-control System on Improving Pumping System Performance
- Publication number 20100254827
- Publication date Oct 7, 2010
- Energywin Technology Co., Limited
- Zhijin Yang
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
METHOD AND APPARATUS FOR CONTROLLING A HYDRAULIC SYSTEM OF A WORK M...
- Publication number 20090220350
- Publication date Sep 3, 2009
- Kristen D. Cadman
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...