ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,592, issued on March 31, was assigned to SHENZHEN AIKULI TECHNOLOGY Co. LTD (Shenzhen, China).
"Air guide frame, fan head, and handheld concentrating fan" was invented by Miaosheng Chen (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An air guide frame, a fan head, and a handheld concentrating fan are provided. The air guide frame is configured to be arranged at an air outlet of a fan head and guide air from a fan. the air guide frame includes an inner frame and a separator ring arranged at a periphery of the inner frame; a first air channel is formed in a periphery of the separator ring; a second air channel is formed between the ...