ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,955, issued on Oct. 21, was assigned to Parker-Hannifin Corp. (Cleveland).

"Displacement control for hydraulic pump" was invented by Matthew H. Simon (Paw Paw, Mich.), Daniel Dyminski (Portage, Mich.) and Brewce Larkin (Everett, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A variable displacement hydraulic pump including a control actuator configured to interact with a movable displacement control member to control the displacement of the pump; and a displacement control valve assembly configured to provide mechanical feedback control of positioning of the control actuator and thereby the displacement control member. The displacement control...