ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,671, issued on June 23, was assigned to Harbor Freight Tools USA Inc. (Calabasas, Calif.).
"Portable airless fluid dispensing apparatus and valves" was invented by John M. Svendsen (Greer, S.C.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An airless fluid dispensing apparatus, a stem-less spray valve, and a pressure relief valve are disclosed. The stem-less spray valve comprises a generally cylindrical valve body; a fluid conduit, operable to allow a flow of the fluid from a pump, at least partially through the valve body, to a spray orifice; a movable plug disposed at least partially within the valve body; a seat, shaped to conform to a shape of ...