Ching Yin Au

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Greenwich, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Water craft with new configuration of active hulls and stationary h...
- Patent number 7,381,109
- Issue date Jun 3, 2008
- Ching Yin Au
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Watercrafts with active hulls attain substantial hydrodynamic drag...
- Patent number 6,595,815
- Issue date Jul 22, 2003
- Ching Yin Au
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Fluid forcing device with a fluted roller drive
- Patent number 5,820,342
- Issue date Oct 13, 1998
- Ching Yin Au
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Fluid forcing device
- Patent number 5,611,666
- Issue date Mar 18, 1997
- Ching Y. Au
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents

Information Patent Application
Personal marine transporter capable of offering the rider the exhil...
- Publication number 20110275255
- Publication date Nov 10, 2011
- Ching Yin Au
- B60 - VEHICLES IN GENERAL
Information Patent Application
Water craft with new configuration of active hulls and stationary h...
- Publication number 20070175380
- Publication date Aug 2, 2007
- Ching Yin Au
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Application
Watercrafts with active hulls attain substantial hydrodynamic drag...
- Publication number 20030032348
- Publication date Feb 13, 2003
- Ching Yin Au
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT