ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,923, issued on Nov. 18, was assigned to TACO INC. (Cranston, R.I.).
"High efficiency circulator with sensors" was invented by Steve Thompson (Calgary, Canada), Vladislav Milchev Stakev (South Easton, Mich.), Robert F. Birkenstock Jr. (Warwick, R.I.), Douglas Bird (Narragansett,, R.I.) and David E. Sweet (Old Lyme, Conn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A highly efficient circulator system is provided, useful for hydronic systems, including both heating and cooling systems. The stand-alone circulator motor is controllable by input from certain sensors, preferably thermal sensors, which provide data enabling the controller of the brushle...