US Patent Issued to PENTAIR FLOW TECHNOLOGIES on May 26 for "Impeller pump and method" (Dutch Inventors)

ALEXANDRIA, Va., May 26 -- United States Patent no. 12,638,021, issued on May 26, was assigned to PENTAIR FLOW TECHNOLOGIES LLC (Delavan, Wis.).

"Impeller pump and method" was invented by Jacob Arnold (Enschede, Netherlands) and Raymond Johan Meijnen (Winterswijk, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "An impeller assembly including a shroud and an impeller body. The shroud has an inner surface flaring outwardly from an inlet toward an outlet. The impeller body extends into the shroud. The impeller body has an eccentric apex that is connected to an inner surface of the shroud proximate an upstream edge of the inlet."

The patent was filed on Feb. 18, 2025, under Application No. 19/056,495...