ALEXANDRIA, Va., June 12 -- United States Patent no. 12,298,029, issued on May 13, was assigned to GUANGDONG GIWEE TECHNOLOGY Co. LTD. (Foshan, China).

"Double-sided uniform air discharge ceiling cassette" was invented by Hong Guan (Foshan, China) and Yuxian Wang (Foshan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A double-sided uniform air discharge ceiling cassette, including a case, and a centrifugal fan wheel, a first heat exchanger, and a second heat exchanger which are mounted within the case, the first heat exchanger and the second heat exchanger respectively forming an air discharge duct with two inner side walls of the case, the centrifugal fan wheel being located between the first heat ex...