ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,925, issued on Nov. 18, was assigned to ECP Entwicklungsgesellschaft mbH (Aachen, Germany).

"Fluid pump having at least one impeller blade and a support device" was invented by Joerg Schumacher (Aachen, Germany) and Daniel Roehn (Aachen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a fluid pump having at least one impeller blade (1, 1', 1") which is rotatable about an axis of rotation (3) and conveys a fluid in operation and comprising a support device (4, 6, 7, 8, 9, 10, 12, 12', 13, 13', 14, 14', 15, 17) which supports the at least one impeller blade (1, 1', 1") in at least one support region, wherein the support...