ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,734,599, issued on Sept. 15, was assigned to SHAOXING DAISHIN XINRUI BRAZING EQUIPMENT Co. LTD. (Shaoxing, China) and ZHEJIANG XINRUI BRAZING TECHNOLOGY Co. LTD. (Shengzhou, China).

"Method and automatic brazing apparatus for flame brazing control in copper-aluminum welding" was invented by Shuiqing Wang (Shaoxing, China), Kan Cao (Shaoxing, China), Qiang Liang (Shaoxing, China), Kang Xu (Shaoxing, China), Xiyun Wang (Shaoxing, China) and Yinbin Lou (Shaoxing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a flame brazing control method for copper-aluminum welding, characterized by using a flame generated from the combustion of natur...