Changqing XIONG

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Chengdu City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Downhole signal receiving and transmitting device
- Patent number 11,788,407
- Issue date Oct 17, 2023
- SOUTHWEST PETROLEUM UNIVERSITY
- Jialin Tian
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Downhole Signal Receiving and Transmitting Device
- Publication number 20220364462
- Publication date Nov 17, 2022
- SOUTHWEST PETROLEUM UNIVERSITY
- Jialin TIAN
- H01 - BASIC ELECTRIC ELEMENTS