Fanjiao Chen

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Sichuan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Exothermic welding cup and exothermic welding capsule
- Patent number 10,821,561
- Issue date Nov 3, 2020
- SUNLIGHT CHENGDU XIHANGGANG ELECTRIC MANUFACTURING CO., LTD.
- Xudong Yu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Exothermic welding apparatus and exothermic welding method
- Patent number 10,758,997
- Issue date Sep 1, 2020
- SICHUAN SUNLIGHT INTELLIGENT ELECTRIC EQUIPMENT CO., LTD. . .
- Xudong Yu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
EXOTHERMIC WELDING CUP AND EXOTHERMIC WELDING CAPSULE
- Publication number 20190389014
- Publication date Dec 26, 2019
- SUNLIGHT CHENGDU XIHANGGANG ELECTRIC MANUFACTURING CO., LTD.
- Xudong YU
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
EXOTHERMIC WELDING APPARATUS AND EXOTHERMIC WELDING METHOD
- Publication number 20190143446
- Publication date May 16, 2019
- SICHUAN SUNLIGHT INTELLIGENT ELECTRIC EQUIPMENT CO., LTD.
- Xudong Yu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR