Tianming He

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Guangzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Double wire GMAW welding torch assembly and process
- Patent number 9,186,745
- Issue date Nov 17, 2015
- Praxair Technology, Inc.
- Shijun Jia
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
DOUBLE WIRE GMAW WELDING TORCH ASSEMBLY AND PROCESS
- Publication number 20120055911
- Publication date Mar 8, 2012
- Shijun Jia
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR