ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,365, issued on March 24, was assigned to MECCANOTECNICA UMBRA S.P.A. (Campello Sul Clitunno, Italy).
"Sealing ring and joint for oil drilling plant" was invented by Ignazio Catalano (Campello sul Clitunno, Italy) and Massimiliano Borasso (Campello sul Clitunno, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sealing ring for a joint of an oil drilling station that has a flat annular contact region provided with a plurality of circumferentially arranged grooves is provided. Each groove has a predetermined radial extension on the contact region and is axially lowered and accessible from an inner side face of the sealing ring."
The patent was ...