ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,723,585, issued on Sept. 1, was assigned to Sump Alarm Inc. (St. Louis).
"Pump monitor with metal detector alarm controller" was invented by Scott J. Steiger (St. Louis) and Danny J. Simpson (Mesa, Ariz.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A contactless control system for a pump monitoring device provides TEST and SILENCE functionality without penetrating a weather-resistant enclosure. A printed-circuit board within the enclosure carries a planar spiral transmit coil on one face and at least one planar receive coil on the opposite face, arranged to form a coupled resonant metal detector. The coils operate at a frequency, optionally a carrier ...