ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,612, issued on April 14, was assigned to Thermo Fisher Scientific (Shanghai) Instruments Co. Ltd. (Shanghai).
"Mechanism for driver head adjustment" was invented by Junyi Zhao (Jiangsu, China), Ting Xu (Shanghai) and Ronhua Chen (Jiangsu, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An uncapping apparatus for a test tube cap includes a drive head having at least two drive head elements. The drive head elements have a first section and a second section located on two opposite sides of a rotary shaft. An elastic element provides a tensioning force to the drive head elements. A switching element is movable between a first position and a second...