Jinlong Gong

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Low back pressure penetrating arc welding apparatus and method
- Patent number 9,656,341
- Issue date May 23, 2017
- Beijing University of Technology
- Fan Jiang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
A Low Back Pressure Penetrating Arc Welding Apparatus and Method
- Publication number 20160243642
- Publication date Aug 25, 2016
- BEIJING UNIVERSITY OF TECHNOLOGY
- Fan Jiang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
CENTRAL NEGATIVE PRESSURE ARC WELDING APPARATUS AND METHOD
- Publication number 20160067811
- Publication date Mar 10, 2016
- Beijing University of Technology
- Fan JIANG
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR