79130004
Jan 16, 2013
May 6, 2014
Crude oil refining machines for oil well pumping; boiler tubes for gaseous condensers; power-operated blowers for the suction, compression and transport of gases
MachineryApparatus for heating, namely, convection ovens; steam generators; cooking ranges; refrigerators; heat accumulators; steam accumulators; acetylene burners; acetylene generators; hot-air space heating apparatus; air cooling apparatus; air filtering installations; air reheaters, namely, electric space heaters; air driers in the nature of dehumidifiers; feeding apparatus for heating boilers, namely, pipes for heating boilers and heaters for warming feed water in heating boilers; structural metal plates sold as a part of convection ovens; evaporative air coolers for furnaces; petrol burners, namely, petrol burners for industrial use; gas burners for commercial use; air valves for steam heating installations; heating apparatus for solid, liquid or gaseous fuels for industrial purposes, namely, steam heating apparatus and hot water heaters; heating installations; distillation columns; gas condensers, other than parts of machines; air quality control installations, namely, air cleaning units containing an air filter, ultraviolet lights and a photocatalytic filter; control and safety accessories for gas pipes, namely, regulating accessories for gas pipes; heating elements; distillation apparatus; heat exchangers; gas scrubbing apparatus, namely, gas scrubbers; evaporators; air filters for industrial installations; furnaces, except for experimental furnaces; shaped fittings specially made for furnaces; grids specially adapted for furnaces; ovens for industrial purposes, namely, industrial coke ovens except for experimental ovens; refrigerating installations and machines; control and safety accessories for gas apparatus, namely, regulating accessories for gas pipes and lines; steam generators, other than parts of machines; cooling installations for liquids for industrial purposes, namely, cooling installations for liquid fuels and water; refining towers for distillation; water heaters; heat regenerators; cooling apparatus and facilities, namely, air cooling apparatus and electric space cooling apparatus for industrial use; pressurized water tanks, namely, hot water tanks; plumbing fittings, namely, level controlling valves in tanks for industrial purposes; coils as parts of distilling, heating or cooling installations; safety accessories for water or gas apparatus and pipes, namely, metered valves; boiler pipes for heating installations; flare stacks for gas burning purposes for use in the oil industry; steam generating installations
Environmental Control ApparatusOil and fuel refining services; energy production services; oil well treatment services; processing of petroleum products, namely, petroleum gas liquefaction services
Treatment of Materials