ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,725, issued on July 15, was assigned to TRELLEBORG SEALING SOLUTIONS US INC. (Ft. Wayne, Ind.).

"Wiper seal for a ball screw actuator" was invented by Tudor B. Hotnog (Lake Balboa, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wiper seal assembly for sealing a ball screw actuator includes a wiper element. An inside circumferential surface has a first helically shaped extension extending towards a longitudinal axis and is configured to be disposed within a roller ball screw thread. A plurality of micro-grooves is formed on the inside circumferential surface. An ice breaker element on its inside circumferential surface has a second helically...