ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,723,936, issued on Sept. 1, was assigned to Zhongshan Fumao Seal Technology Co. Ltd. (Zhongshan, China).
"Pressure gauge" was invented by Changqing Huang (Zhongshan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a pressure gauge, including: a housing, defined with an axial direction and a radial direction, and including internal space, an opening, and a through hole, where the opening communicates with the internal space along the axial direction, and the through hole communicates with the internal space along the radial direction. Compared with the prior art, the present invention has the following beneficial effec...