of length of piston stroke

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CPC
F04B2207/046

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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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F04B2207/046of length of piston stroke

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Patents Grantslast 30 patents

Information Patent Grant
Method for controlling rod-pumped wells
- Patent number 5,314,016
- Issue date May 24, 1994
- Shell Oil Company
- Cleon L. Dunham
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hydraulically actuated stroke adjusting device
- Patent number 4,811,624
- Issue date Mar 14, 1989
- LEWA Herbert Ott GmbH & Co.
- Horst Fritsch
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
LINEAR PUMPING SYSTEM AND METHODS FOR CONTROLLING THE SAME
- Publication number 20180230992
- Publication date Aug 16, 2018
- Alkhorayef Petroleum Company Limited
- David S. Shanks
- E21 - EARTH DRILLING MINING