ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,783, issued on June 23.

"Robot device for transporting used treatment tools to disinfection room" was invented by Kwan Ik Jang (Hanam-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A robot for transporting used treatment tools to a disinfection room includes a traveling bogie including a bogie body including a driving wheel and a driven wheel, a battery built in the bogie body and supplying power, a control unit outputting a control signal, and a front sensor and a rear sensor for sensing obstacles in front of and at rear of the bogie body in a traveling direction; a housing installed on the top of the traveling bogie; an elevating p...