US Patent Issued to Spokane Stainless Technologies on Feb. 4 for "Self-cleaning tank" (Washington Inventors)

ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,214,957, issued on Feb. 4, was assigned to Spokane Stainless Technologies Inc. (Spokane, Wash.).

"Self-cleaning tank" was invented by Nathan Hayes Owen (Spokane Valley, Wash.), Nathan Scott Batson (Colbert, Wash.) and Thomas Raymond Rodgers (Spokane, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A tank, such as a fermentation tank, includes a scraper blade assembly slideably coupled to a bottom surface of the tank. The scraper blade assembly includes a blade arranged to displace solids deposited on the bottom surface of the tank out through an aperture arranged flush with the bottom surface of the tank."

The patent was filed on March 30, 2022, un...