US Patent Issued to York Guangzhou Air Conditioning and Refrigeration, Tyco Fire & Security on Nov. 3 for "Blade and axial impeller using same" (Chinese Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,781,758, issued on Nov. 3, was assigned to York Guangzhou Air Conditioning and Refrigeration Co. Ltd. (Qingyuan, China) and Tyco Fire & Security GmbH (Neuhausen am Rheinfall, Switzerland).

"Blade and axial impeller using same" was invented by Bin Yuan (Qingyuan, China), Chenggang Wu (Qingyuan, China), Xiaokui Ma (Qingyuan, China), Li Wang (Qingyuan, China) and Jian Zhu (Qingyuan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application discloses a blade and an axial-flow impeller using the same. The present application provides a blade, comprising a blade tip, a blade root, a leading edge and a trailing edge, wherein the leading edge ...