Walter Chen

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Oakland, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Fresh water transport method utilizing anchored buoyant units power...
- Patent number 10,443,593
- Issue date Oct 15, 2019
- Walter Chen
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Material transport apparatus and method
- Patent number 8,776,830
- Issue date Jul 15, 2014
- Walter Chen
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
WATER TRANSPORT APPARATUS AND METHOD UTILIZING TIDAL POWER
- Publication number 20180230962
- Publication date Aug 16, 2018
- Walter Chen
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
MATERIAL TRANSPORT APPARATUS AND METHOD
- Publication number 20120312376
- Publication date Dec 13, 2012
- Walter Chen
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...