ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,426,756, issued on Sept. 30, was assigned to FESTOOL GMBH (Wendlingen, Germany).
"Suction device" was invented by Rainer Hafenrichter (Buch, Germany) and Jan Kopf (Ulm, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A suction device with a suction device housing (20), in which a suction turbine (11) for generating a suction flow (S) is arranged, the suction turbine (11) having a suction turbine inflow opening (11A), through which the suction flow (S) can flow into the suction turbine (11) and at least one suction turbine outflow opening (11B), through which the suction flow (S) can flow out of the suction turbine (11), wherein the suction devic...