US Patent Issued to Foshan Changtuo Packaging Technology on July 8 for "Pump body structure and foam pump" (Chinese Inventors)

ALEXANDRIA, Va., July 9 -- United States Patent no. 12,350,699, issued on July 8, was assigned to Foshan Changtuo Packaging Technology Co. Ltd. (Guangdong, China).

"Pump body structure and foam pump" was invented by Jianwen Zou (Guangdong, China) and Wenqiang Yang (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pump body structure includes: an air inlet cylinder, an air inlet cavity being arranged inside the air inlet cylinder, and an air return hole being arranged in a bottom portion of the air inlet cylinder; a liquid inlet cylinder connected to the bottom portion of the air inlet cylinder; a lower cover connected to the bottom portion of the air inlet cylinder, a cavity being defined by...