ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,844, issued on Dec. 2, was assigned to Graco Minnesota Inc. (Minneapolis).
"Rotor stator pump" was invented by Mark D. Shultz (Ham Lake, Minn.) and Joshua D. Roden (Dayton, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rotor stator pump includes a rotating helical component and a static helical component. An electric motor is connected to the rotating helical component to drive rotation of the rotating helical component. The rotating helical component and the static helical component are disposed radially inward of the motor rotor of the electric motor."
The patent was filed on Oct. 24, 2022, under Application No. 18/703,555.
*For further ...