U.S. federal trademark · Serial No. 75113657
combustion devices, namely, water heaters for domestic and industrial use, industrial boilers, steam generators, space heaters, process heaters, radiant heaters, heat pumps, gas fired coolers used for industrial and domestic refrigerators, air conditioners and heat pumps, thermophotovoltaic generators, and combustion burners for all the aforesaid goods
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.