ALEXANDRIA, Va., June 12 -- United States Patent no. 12,296,801, issued on May 13, was assigned to LIH YANN INDUSTRIAL Co. LTD. (Taichung, Taiwan).
"Oil filling device" was invented by Po-Lin Liao (Taichung, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An oil filling device is provided, including: a main body, configured to cover an open end portion of an oil pot, including at least one first sliding portion and a channel; a control member, rotatably disposed on the main body; two clamping members, at least one of the two clamping members including a second sliding portion slidably mounted to the at least one first sliding portion; at least one guiding unit, each of the at least one guiding unit inc...