ALEXANDRIA, Va., June 6 -- United States Patent no. 12,280,417, issued on April 22, was assigned to SANHUA (HANGZHOU) MICRO CHANNEL HEAT EXCHANGER Co. LTD. (Zhejiang, China).

"Method for processing heat exchanger and pushing device for processing heat exchanger" was invented by Qiong Hu (Zhejiang, China), Zheng Wei (Zhejiang, China) and Yue Zhang (Zhejiang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for processing a heat exchanger includes: providing a heat exchange, in which a bent section of one heat exchange tube in the heat exchanger is at least partially in contact with a bent section of another heat exchange tube adjacent to it in a length direction of the first tube; placing the pus...