157626 ⎘
Stoves, ranges or flue-gas ducts, with additional provisions for heating water in closed containers
Heat Recovery Atmospheric-Pressure Vat
#2Systems and methods for agitating fuel within a heat exchanger
#3Safe Stove
#4Systems and methods for agitating fuel within a heat exchanger
#5DOUBLE FUEL BURNING STOVE
#6COMBUSTION APPARATUS