ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,975, issued on Dec. 16.
"Air blower" was invented by Kaihui Shi (Jiangsu, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An air blower includes a shell, an air supply device, and a handle. The air supply device is designed as a double-sided air supply structure, and is provided with two wind wheels. The theoretical air volume can be doubled relative to the design of single-sided air inlet so that the air blowing cleaning effect of the complete machine is improved."
The patent was filed on Aug. 30, 2024, under Application No. 18/820,891.
*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacg...