ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,950, issued on March 17, was assigned to TRANE INTERNATIONAL INC. (Davidson, N.C.).

"Coating layer having a conforming material for a compressor and method of using the same" was invented by Christopher A. Wehrenberg (La Crosse, Wis.) and Joseph E. Ziolkowski Jr. (Onalaska, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method, HVACR system, and positive displacement compressor that includes a compressor housing and a rotating component and at least one second component. Each of the rotating component and the at least one second component have a contacting surface that define a meshing location between the rotating component and the at least...