ALEXANDRIA, Va., June 5 -- United States Patent no. 12,275,172, issued on April 15, was assigned to BorgWarner Inc. (Auburn Hills, Mich.).

"Chain control device with elastomer face overmoulded using two-shot injection moulding" was invented by Philippe Alain Clayton (Camparada, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of forming a tensioner arm bracket, chain guide, snubber or tensioner arm with two shot injection molding. The tensioner arm bracket, chain guide, snubber or tensioner arm each having a body and a chain sliding face. The body of the tensioner arm bracket, chain guide, snubber or tensioner arm bracket is formed of by a first shot of thermoplastic polymer or thermosetting res...