ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,500, issued on Feb. 17, was assigned to Apptronik Inc. (Austin, Texas).

"Linear actuator" was invented by Bradley Resh (Austin, Texas), Paul Gloninger Fleury (Austin, Texas), Nicholas Arden Paine (Austin, Texas), Jonas Alexan Fox (Austin, Texas), Daniel Stephen Mitchell (Dripping Springs, Texas) and James Cornelius Cobau (Austin, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A linear actuator includes a housing; a motor module that includes a motor; and a drivetrain module coupled to the motor module. The drivetrain module includes a ball screw coupled to the motor, a ball nut coupled to and configured to linearly ride on the ball screw durin...