85918265
Apr 29, 2013
Apr 8, 2014
Active Trademark
boiler stack gas heat recovery systems consisting essentially of a shell, heat transfer media, spray nozzle, fan, pump, heat exchanger and control system; waste water heat recovery systems consisting essentially of a shell, heat exchanger, tubes, manifolds, flanges, pumps and control system; direct fired high efficiency water heating systems consisting essential of a shell, heat transfer media, spray nozzle, burner, pump, gas train, and control system
Environmental Control Apparatus