Yu TIAN

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Guanghan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Coiled tubing operating system and coiled tubing operating method
- Patent number 12,152,448
- Issue date Nov 26, 2024
- SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., LTD.
- Daiwei Shan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drilling machines and methods thereof
- Patent number 11,299,942
- Issue date Apr 12, 2022
- Sichuan Honghua Petroleum Equipment Co., Ltd.
- Chong Chen
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Coiled tubing operating system and coiled tubing operating method
- Publication number 20230076707
- Publication date Mar 9, 2023
- SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., LTD.
- Daiwei Shan
- E21 - EARTH DRILLING MINING
Information Patent Application
DRILLING MACHINES AND METHODS THEREOF
- Publication number 20220098938
- Publication date Mar 31, 2022
- SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., LTD.
- Chong CHEN
- E21 - EARTH DRILLING MINING