ALEXANDRIA, Va., March 12 -- United States Patent no. 12,247,565, issued on March 11, was assigned to M & M Technologies Inc. (Lynden, Wash.).

"Rotor shaft hub and bearing for a high pressure fluid pump assembly" was invented by David Anthony Lievanos (Ferndale, Wash.) and Jared Aaron Martin (Lake Havasu, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a hub and a bearing which cooperate to hold a shaft in steady axial alignment with a rotor. In a preferred embodiment, the shaft is coupled to the rotor of a fluid gear pump. The gear pump is located in a pump assembly between a front cover and a rear casing. A hub receiving pocket is formed in the front cover, and the hub is connected to the...