ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,364, issued on Dec. 30, was assigned to VIVONIC GMBH (Sailauf, Germany).

"Device and method for monitoring a softening unit for water" was invented by Yahya Faroon (Greven, Germany) and Jurgen Schwerdhofer (Marktheidenfeld, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a device for monitoring a softening device for water, wherein the softening device has a tank for sole for the regeneration of at least one ion exchange element of the softening device, and wherein the device has a scale and is configured to detect the weight of the tank and preferably to determine time changes in the weight of the tank. Anoth...