US Patent Issued to GD MIDEA HEATING & VENTILATING EQUIPMENT, HEFEI MIDEA HEATING & VENTILATING EQUIPMENT on March 18 for "Pipeline assembly and air conditioning system" (Chinese Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,191, issued on March 18, was assigned to GD MIDEA HEATING & VENTILATING EQUIPMENT Co. LTD. (Foshan, China) and HEFEI MIDEA HEATING & VENTILATING EQUIPMENT Co. LTD. (Hefei, China).

"Pipeline assembly and air conditioning system" was invented by Danfeng Long (Foshan, China), Yandong Wu (Foshan, China), Tiegang Zhang (Foshan, China) and Min Zhong (Foshan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pipeline assembly and an air conditioning system. The pipeline assembly includes a first steel pipe, a second steel pipe, a first copper sleeve and a second copper sleeve, wherein the first copper sleeve is fixed at an end of the first steel pipe...