Feifei WAN

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Harbin, CN

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Patents Grantslast 30 patents

Information Patent Grant
Electric machine driving method and system under non-conventional w...
- Patent number 10,539,129
- Issue date Jan 21, 2020
- HARBIN SURFICS ELECTRICAL TECHNOLOGY INC
- Ye Yang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
ELECTRIC MACHINE DRIVING METHOD AND SYSTEM UNDER NON-CONVENTIONAL W...
- Publication number 20190145228
- Publication date May 16, 2019
- HARBIN SURFICS ELECTRICAL TECHNOLOGY INC
- Ye YANG
- E21 - EARTH DRILLING MINING