ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,535,467, issued on Jan. 27, was assigned to Valco Instruments Co. Inc. (Houston).
"Linear actuator for chromatography" was invented by Martin P. Brisbin (Houston).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rod-style linear actuator for use with a housing associated with an axially-rotatable hollow internally-threaded shaft and a piston-driven device is provided where small, precise movement is necessary. The actuator includes a body, a lead screw engaging the axially-rotatable hollow internally-threaded shaft and terminating in a piston, and an anti-rotation device extending from to the lead screw and engaging one of the body or an opposing second ...