ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,425, issued on Feb. 17, was assigned to Graco Minnesota Inc. (Minneapolis).
"Cooling for an electrically operated displacement pump" was invented by Bradley H. Hines (Andover, Minn.), Paul W. Scheierl (Chisago City, Minn.), Brian W. Koehn (Minneapolis), Jacob D. Higgins (White Bear Township, Minn.), Benjamin J. Paar (Minneapolis) and David L. Fehr (Dayton, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electrically operated displacement pump includes an electric motor having a stator and a rotor. The rotor is connected to the fluid displacer to power pumping by the fluid displacer. A cooling circuit extends at least partially about an exter...