ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,221, issued on May 5, was assigned to OilQuick Deutschland KG (Steindorf, Germany).
"Quick coupler and quick coupler system with such a quick coupler" was invented by Stefan Schauer (Kissing, Germany) and Michael Kollmann (Egling an der Paar, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A quick coupler for changing attachments on a construction machine includes a carrier; first receptacles arranged on one side of the carrier for a first coupling element; second receptacles arranged on the other side of the carrier for a second coupling element; a locking device associated with the first receptacles, the locking device movable between release...