David Andrew Lew

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Vancouver, CA

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Patents Grantslast 30 patents

Information Patent Grant
Double acting reciprocating motor with uni-directional fluid flow
- Patent number 6,589,027
- Issue date Jul 8, 2003
- Westport Research Inc.
- Mihai Ursan
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
Double acting reciprocating motor with uni-directional fluid flow
- Publication number 20020150483
- Publication date Oct 17, 2002
- Mihai Ursan
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...