ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,817, issued on April 22, was assigned to OCTOPUS ENERGY HEATING Ltd. (London).

"Methods and systems and apparatus to support reduced energy and water usage" was invented by Peter Konowalczyk (London).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a method of signalling a command to a water heating appliance remote from a controllable water outlet fed from the appliance via a water supply installation, the method comprising: monitoring the water supply that feeds the controllable water outlet; detecting a sequence of changes in a property or state of the water supply consequent on operation of the controllable water outlet; correlating the ...