ALEXANDRIA, Va., May 26 -- United States Patent no. 12,638,020, issued on May 26, was assigned to ITT Manufacturing Enterprises LLC (Wilmington, Del.).
"Fluid pump including an impeller" was invented by Patrick J. Yehl (Victor, N.Y.) and John Wilkie (Seneca Falls, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An impeller assembly including: an impeller housing having a housing inlet and a housing outlet for receiving and discharging working fluid; and an impeller located within and rotatable with respect to the impeller housing. The impeller having an impeller inlet for receiving the working fluid, a plurality of impeller blades forming a plurality of impeller passageways in communication with the impe...