US Patent Issued to Harbin Welding Institute on Nov. 18 for "Lateral electro-conduction device and method for multi-wire submerged arc inner/outer welding of straight-seam steel pipe" (Chinese Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,472,577, issued on Nov. 18, was assigned to Harbin Welding Institute Ltd. Co. (Harbin, China).

"Lateral electro-conduction device and method for multi-wire submerged arc inner/outer welding of straight-seam steel pipe" was invented by Zhanli Yang (Heilongjiang, China), Dong Du (Heilongjiang, China), Shanbao Zhang (Heilongjiang, China), Kai Xu (Heilongjiang, China), Bing Du (Heilongjiang, China), Yajun Wu (Heilongjiang, China), Qilong Tang (Heilongjiang, China), Zhongwang Gong (Heilongjiang, China), Debin Bai (Heilongjiang, China), Zekun Yang (Heilongjiang, China), Xiucheng Xiao (Heilongjiang, China), Dakui Fei (Heilongjiang, China), Guangnan Zhao (Heilongjiang, China), Wei Li (Heilong...