Zhishen Su

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Daqing, CN

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Patents Applicationslast 30 patents

Information Patent Application
Double Motor Non-beam Pumping Unit with a Reducer Built in the Roller
- Publication number 20180291716
- Publication date Oct 11, 2018
- Zhishen Su
- B66 - HOISTING LIFTING HAULING
Information Patent Application
Single Motor Non-beam Pumping Unit with a Reducer Built in the Roller
- Publication number 20180291988
- Publication date Oct 11, 2018
- Zhishen Su
- E21 - EARTH DRILLING MINING
Information Patent Application
Non-beam Pumping Unit Driven by a Biaxial Motor
- Publication number 20180163715
- Publication date Jun 14, 2018
- Purdue Pharma LP
- Zhishen Su
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Non-beam Pumping Unit Driven by a Motor Reduction Unit
- Publication number 20180163714
- Publication date Jun 14, 2018
- Zhishen Su
- E21 - EARTH DRILLING MINING
Information Patent Application
Hand Brake System Used on Non-beam Pumping Unit
- Publication number 20180163798
- Publication date Jun 14, 2018
- Zhishen Su
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Non-beam Pumping Unit with a Motor Output Shaft Righting Device
- Publication number 20180156318
- Publication date Jun 7, 2018
- Zhishen Su
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...