US Patent Issued to STATE FARM MUTUAL AUTOMOBILE INSURANCE on April 1 for "Determining and utilizing a desired frequency for a mechanical shaker for a sump pump system" (Illinois Inventors)

ALEXANDRIA, Va., April 2 -- United States Patent no. 12,264,680, issued on April 1, was assigned to STATE FARM MUTUAL AUTOMOBILE INSURANCE COMPANY (Bloomington, Ill.).

"Determining and utilizing a desired frequency for a mechanical shaker for a sump pump system" was invented by Nathan L. Tofte (Downs, Ill.), Jonathan Christopher Hull (Bloomington, Ill.), John R. Donovan (Bloomington, Ill.) and Richard Jan Tjaden (Bloomington, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sump pump system enables automatic determination and utilization of frequencies for mechanical shakers for sump pumps. These techniques may be implemented to detect a fault (e.g., a stuck impeller) with a sump pump and to identify a ...