ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,946, issued on Sept. 23, was assigned to Graco Minnesota Inc. (Minneapolis).

"Pump drive system" was invented by Thomas F. Janecek (Flagstaff, Ariz.), Tyler Kenneth Williams (Flagstaff, Ariz.), Andrew J. Kopel (Stanchfield, Minn.), Jarrod C. Drexler (Monticello, Minn.), Douglas S. Ryder (Buffalo, Minn.), Jacob D. Scherer (Clearlake, Minn.), Todd B. Hillukka (Buffalo, Minn.), Nicholas J. Stein (Roger, Minn.) and Mark D. Shultz (Ham Lake, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A drive system for a fluid displacement pump includes an electric motor, a drive coupled to the rotor at a first end of the electric motor, a pump including a flu...