David Liou

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Taipei Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
Gravity generating system
- Patent number 5,905,312
- Issue date May 18, 1999
- David Liou
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...

Patents Applicationslast 30 patents

Information Patent Application
Water Wheel Device And Control Mechanism Therefor
- Publication number 20160195059
- Publication date Jul 7, 2016
- David Liou
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...