US Patent Issued to Automatic Switch on May 26 for "Detecting pickup and dropout of solenoid valve" (New Jersey Inventor)

ALEXANDRIA, Va., May 26 -- United States Patent no. 12,638,102, issued on May 26, was assigned to Automatic Switch Co. (Florham Park, N.J.).

"Detecting pickup and dropout of solenoid valve" was invented by John J. Haller (Boonton, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of operating a solenoid valve can include applying power to a coil of the solenoid valve, interrupting power to the coil upon a first increase in power consumption of the coil, detecting a first on-time when power is applied to the coil, re-applying power to the coil upon a first condition becoming satisfied, interrupting power to the coil upon a second increase in power consumption of the coil, detecting a second on-time...