ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,258, issued on March 18, was assigned to BSH Hausgerate GmbH (Munich).
"Steam treatment appliance" was invented by Christian Clauss (Obernai, France), Harry Fischer (Bretten, Germany) and Rudolf Schall (Bruchsal, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A steam treatment appliance includes a steam generation facility, a water tank for providing liquid for the steam generation facility, a first pump for pumping liquid out of the water tank and to the steam generation facility, an accommodating container, a second pump for pumping liquid out of the steam generation facility and to the accommodating container, and a third pump for pumpin...