Chunhua GAO

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Calgary, CA

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Patents Grantslast 30 patents

Information Patent Grant
Multi-coil multi-terminal closed-loop geophone accelerometer
- Patent number 9,348,043
- Issue date May 24, 2016
- SAS E&P Ltd.
- Zhentang Fu
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
MULTI-COIL MULTI-TERMINAL CLOSED-LOOP GEOPHONE ACCELEROMETER
- Publication number 20140293752
- Publication date Oct 2, 2014
- SAS E&P LTD.
- Zhentang FU
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL