ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,557,796, issued on Feb. 24, was assigned to RED SEA AQUATICS DEVELOPMENT LTD. (Herzlia, Israel).

"Self-regulating protein skimmer and retrofit kits for retrofitting non self-regulating protein skimmers" was invented by Neil H. Marks (Ra'anana, Israel).

According to the abstract* released by the U.S. Patent & Trademark Office: "Mains operated self-regulating protein skimmer including a skimmer pump for pumping an air/organic loaded water mixture into its reaction chamber, an electrical conductivity (EC) sensor for deployment in its foam collection neck for sensing foam wetness, and a controller for controlling fluid flow rate through the protein skimmer in response to the EC sensor's ...