US Patent Issued to GARDNER DENVER on May 5 for "Drain valve" (British Inventor)

ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,483, issued on May 5, was assigned to GARDNER DENVER LTD. (West Yorkshire, Great Britain).

"Drain valve" was invented by Abel Justin Lord (Stowmarket, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A drain valve for a pressurised fluid chamber comprises a collection chamber for collecting pressurised fluid from the pressurised fluid chamber; a vent chamber for venting the pressurised fluid from the collection chamber; a master valve between the collection chamber and the vent chamber; and a slave valve between the pressurised fluid chamber and the collection chamber. The master valve is configured to open the slave valve when the master ...