Shiyuan Song

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Ashburn, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Farm animal-operated conveyer and generator
- Patent number 9,843,239
- Issue date Dec 12, 2017
- Zhenkun Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Energy saving elevator apparatus with maintaining potential energy...
- Patent number 9,630,807
- Issue date Apr 25, 2017
- Zhenkun Wang
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
FARM ANIMAL-OPERATED CONVEYER AND GENERATOR
- Publication number 20170070123
- Publication date Mar 9, 2017
- Zhenkun Wang
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING