ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,029, issued on March 25, was assigned to Robert Bosch GmbH (Stuttgart, Germany).
"Linear actuator" was invented by Reiner Knoell (Burgsinn, Germany), Marco Knoell (Burgsinn, Germany) and Michael Goldbach (Lohr A. Main, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A linear actuator has a screw drive having a threaded nut connected to an extension arm tube and a threaded spindle couplable to a motor. A first end of the spindle always projects into the tube and is connected to a piston which partitions an interior space formed by the tube into a first region on the side of the piston opposite to the nut and a second region on the side of the...