ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,494, issued on May 5, was assigned to Fulian Precision Electronics (Tianjin) Co. LTD. (Tianjin, China).
"Sealing workpiece and vacuum testing equipment" was invented by Chih-Wei Chen (New Taipei, Taiwan), Chang-Hsien Chen (New Taipei, Taiwan) and Wei-Ting Chien (New Taipei, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sealing workpiece applied to a piece of vacuum testing equipment is provided, including a first cover, including a mounting portion and a joint portion integrally formed with the mounting portion, the mounting portion is mounted to the vacuum testing equipment, the mounting portion includes a first opening closing to the vacuu...