Shujian Ma

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Wulumuqi, CN

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Patents Grantslast 30 patents

Information Patent Grant
Digitized automatic control method for oil-pumping and digitized ba...
- Patent number 10,527,034
- Issue date Jan 7, 2020
- XINJIANG UYGUR AUTONOMOUS REGION NO 3 MACHINE TOOL WORKS
- Changle Gao
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Walking beam balanced span and moment regulating economized oil pum...
- Patent number 6,450,050
- Issue date Sep 17, 2002
- No. 3 Machine Tool Plant of the Xinjiang Uygur Autonomous Region
- Renquan Luo
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
DIGITIZED AUTOMATIC CONTROL METHOD FOR OIL-PUMPING AND DIGITIZED BA...
- Publication number 20170298923
- Publication date Oct 19, 2017
- XINJIANG UYGUR AUTONOMOUS REGION NO 3 MACHINE TOOL WORKS
- CHANGLE GAO
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...