Lon-Jay Cheng

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Taoyuan Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
Control method and control system for screw pump
- Patent number 9,976,555
- Issue date May 22, 2018
- Delta Electronics, Inc.
- Lon-Jay Cheng
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
CONTROL METHOD AND CONTROL SYSTEM FOR SCREW PUMP
- Publication number 20160115959
- Publication date Apr 28, 2016
- DELTA ELECTRONICS, INC.
- Lon-Jay Cheng
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...