ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,504,025, issued on Dec. 23, was assigned to TRANE INTERNATIONAL INC. (Davidson, N.C.).

"Interstage capacity control valve with separate drive and stabilization linkages" was invented by Ayush Shrikant Khatri (Bengaluru, India), Robert S. Bakkestuen (West Salem, N.C.) and Prathap Kumar Ramamoorthy (Holmen, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Stabilization and drive linkages of a compressor capacity control valve are separated, for example physically and/or entirely, such that the respective linkages use separate and discrete attachment projections provided on the drive and throttle rings of the capacity control valve. The use of discrete ...