Likang Chen

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Omnidirectional vector geophone
- Patent number 10,739,477
- Issue date Aug 11, 2020
- PetroChina Company Limited
- Likang Chen
- G01 - MEASURING TESTING
Information Patent Grant
Omnidirectional vector electrostatic levitation geophone
- Patent number 10,718,875
- Issue date Jul 21, 2020
- PetroChina Company Limited
- Likang Chen
- G01 - MEASURING TESTING
Information Patent Grant
Omnidirectional vector seismic data processing method and apparatus...
- Patent number 10,578,757
- Issue date Mar 3, 2020
- PetroChina Company Limited
- Shitai Dong
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Omnidirectional Vector Electrostatic Levitation Geophone
- Publication number 20180267184
- Publication date Sep 20, 2018
- Likang Chen
- G01 - MEASURING TESTING
Information Patent Application
Omnidirectional Vector Geophone
- Publication number 20180246237
- Publication date Aug 30, 2018
- Petrochina Company Limited
- Likang Chen
- G01 - MEASURING TESTING
Information Patent Application
Omnidirectional Vector Seismic Data Processing Method And Apparatus...
- Publication number 20180246238
- Publication date Aug 30, 2018
- Shitai Dong
- G01 - MEASURING TESTING