IC 011. US 013 021 023 031 034. G & S: Heating apparatus, namely, heating boilers fueled by solid, liquid or gaseous fuels; heating apparatus for solid, liquid, or gaseous fuels, namely, gas stoves and furnaces; heat accumulators; heat exchangers, not parts of machines; heating apparatus, namely, heating furnaces, heating units for industrial purposes, heating systems for residential and commercial buildings comprised of boilers, valves, pipes, manifolds, control panel switches, and electrical wire, all sold as a unit; hot air space heating apparatus in the nature of electric space heaters; electric heating apparatus for industrial purposes, namely, electric heaters for commercial use; heating furnaces, heating installations, heating units for industrial purposes, electric space heaters, portable electric heaters, electric tubular heating elements, and electric cartridge-type heaters; heating installations; heating elements; heating filaments, electric; heat pumps; heat regenerators; burners for lamps; Bunsen burners for laboratory use; acetylene burners; gas burners; oil burners for commercial use; petrol burners for commercial use; brackets for gas burners, sold as part of gas burners; hot water heating installations; air reheaters; heating, steam, electrical, furnace, industrial boilers, other than parts of machines; heating boilers; gas boilers; wall-mounted and ground-based heating, steam, electrical, furnace, industrial boilers; boilers for hot water production for domestic and industrial use; steam boilers, other than parts of machines; feeding apparatus for heating boilers, namely, water heaters and boilers for heating installations, electrical boilers, and for furnaces; flues for heating boilers; Boiler pipes being tubes for heating installations in the nature of pipes for heating boilers. plumbing fittings, namely, pipe line cocks and spigots; faucets for pipes; safety accessories for water apparatus, namely, liquid flow apparatus, namely, hydraulic compensators; regulating accessories for water supply, namely, metered valves; regulating accessories for water or gas apparatus and pipes; regulating accessories for gas pipes and lines; electromechanical, catalytic, hydrogen, oxygen, nitrogen, zero-air, gas generators; air remediation systems, namely, gas scrubbers, being parts of gas installations; gas scrubbing apparatus, namely, gas scrubbers; thermostatic valves, being parts of heating installations; steam generating installations; expansion tanks for central heating installations; radiators; central heating radiators; electric radiators; gas injectors for feeding gas to gas burners for domestic and industrial use and parts thereof; gas water heaters for bath tubs and shower baths consisting of circulation pump with thermostat to fill, reheat water and keep water warm; electric bath heaters

IC 042. US 100 101. G & S: Construction drafting; architectural design; architectural consultation; design of interior decor; engineering services, particularly, technical project planning for others; construction planning; scientific and technological services, namely, scientific research, analysis, testing in the field of combustion and burners production and design relating thereto; industrial research in the field of combustion and burners production; computer programming; installation of computer software; maintenance of computer software; updating of computer software; consulting services in the field of energy measurement to improve energy efficiency; technical research on combustion and burners production; technical consultancy relating to scientific research in the field of central heating installations