ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,222,040, issued on Feb. 11, was assigned to Globalforce IP Ltd. (Ponsonby, New Zealand).
"Sliding spool valves, and methods therefor" was invented by William Michael Duff (Lynmouth, New Zealand) and Ian Craig Paterson (Milford, New Zealand).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a spool valve to valve a fluid between at least one inlet port and at least one outlet port, having a bore with a spool operably associated therein. The bore has one or more inlet ports and at least one outlet port. Located in the bore is at least one in-bore seal, the seal fluidly sealing on a seal outer diameter to an inside diameter of the bore, and select...