US Patent Issued to Brunswick on Sept. 8 for "Marine drives and cooling pumps for marine drives" (Wisconsin Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,728,974, issued on Sept. 8, was assigned to Brunswick Corp. (Mettawa, Ill.).

"Marine drives and cooling pumps for marine drives" was invented by Kyle C. Hiner (Brandon, Wis.), Scot A. Fischer (Oakfield, Wis.) and Robert A. Stellmacher (Fond du Lac, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pump for pumping cooling fluid to cool a marine drive comprises a pump housing defining a chamber and an impeller in the chamber. The impeller is rotatable about an axis, and the pump is configured to automatically adjust and maintain an axial compression force on the impeller so as to maintain a consistent seal between the impeller and the pump housing. I...