ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,419, issued on May 5, was assigned to HMS-HYBRID MOTION SOLUTIONS GmbH (Rutesheim, Germany).
"Hydraulic drive system" was invented by Achim Helbig (Stuttgart, Germany), Mattias Roegner (Erlingheim, Germany), Dirk Becher (Nufringen, Germany) and Tino Kentschke (Weil der Stadt, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a hydraulic drive system, to a method for adjusting a delivery volume in a hydraulic drive system, and to the use of the hydraulic drive system for controlling a hydraulic cylinder. The hydraulic drive system according to the invention is a hydraulic drive system with a first hydraulic machine and a s...