ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,758, issued on May 20, was assigned to ABB SCHWEIZ AG (Baden, Switzerland).

"Sealing structure for robot joint and robot joint including such sealing structure" was invented by Xiaodong Cao (Shanghai), Jiajie Sha (Shanghai) and Kaiwei Chen (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the present disclosure provide a sealing structure for a robot joint. The sealing structure comprise a first sealing member adapted to be connected to a first part of the robot joint and a second sealing member adapted to be arranged between the first sealing member and a second part of the robot joint and in contact with the first sealing mem...