ALEXANDRIA, Va., June 5 -- United States Patent no. 12,275,631, issued on April 15, was assigned to BOTRISTA INC. (Dover, Del.).

"Fluid material dispensing apparatus capable of conducting automatic self-disinfection operation" was invented by Yu-Min Lee (New Taipei, Taiwan) and Wu-Chou Kuo (Taipei, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fluid material dispensing apparatus capable of conducting an automatic self-disinfection operation includes: guiding a disinfectant solution in the cleaning sink to flow into a fluid diverter; activate a pump to push residual cleaning solution in a material transmission pipe forward, so that the residual cleaning solution is discharged through an outlet conne...