ALEXANDRIA, Va., June 4 -- United States Patent no. 12,318,900, issued on June 3, was assigned to GLOBALFORCE IP Ltd. (Aukland, New Zealand).

"Pressure response of high pressure fluid valving, apparatus and methods therefor" was invented by Ian Craig Paterson (Auckland, New Zealand).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a system, method and apparatus operating on a high-pressure working fluid with high efficiency. The device has a reservoir of high-pressure working fluid. A fluid connection supplies the high-pressure working fluid at a controlled working pressure to a dose chamber to contain a volume of the high-pressure working fluid. A dose valve, biased to close, and able to be trigge...