ALEXANDRIA, Va., June 16 -- United States Patent no. 12,303,846, issued on May 20, was assigned to IOTCO (Liege, Belgium).
"Autonomous dispensing device" was invented by Pierre L'Hoest (Liege, Belgium) and Sebastien Dawans (Liege, Belgium).
According to the abstract* released by the U.S. Patent & Trademark Office: "A floating and energy-autonomous device (1) configured to dispense a solid compound (2) into a volume (3v) of liquid is provided. The device (1) has a reservoir (9) of solid compound (2), and a pump (13) configured to generate a circulating flow of the liquid (3) coming from the volume (3v) of liquid and passing through the reservoir (9) before returning to the volume (3v) of liquid. The device (1) includes a sensor (17) genera...