ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,644, issued on Sept. 23, was assigned to E.G.O. Elektro-Geraetebau GmbH (Oberderdingen, Germany).

"Washing machine and method for operating a washing machine" was invented by Antonio Di Maggio (Schwaigern, Germany) and Uwe Schaumann (Oberderdingen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A washing machine has a drum for washing laundry therein, and a drum-receiving container in which the drum is arranged rotatably about an axis of rotation and at the bottom of which is provided a container drain. A valve is arranged at the container drain on the drum-receiving container, which valve seals the drum-receiving container at the bottom in...