ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,740,545, issued on Sept. 22, was assigned to JINHUA JIU MIAO ENTERPRISE MANAGEMENT Co. LTD. (Jinhua, China).

"Animal feeding apparatus and method using same" was invented by Xia Wu (Jinhua, China), Yun Xu (Jinhua, China) and Yifan Ge (Jinhua, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An animal feeding apparatus is related, including a base and a reservoir connected to the base, the medium in the reservoir is driven into or out of the reservoir through a port of the reservoir. The base includes a first cavity communicating with the reservoir, and a second cavity adjacent to and communicating with the first cavity. A piston is movable position...