07
Machines and machine parts, namely machines and machine
parts to produce heat and increase the transfer of heat and
radiation; machines and machine parts to increase the
efficiency of internal heat in order to increase the
production of energy; machines and machine parts for
catalytic conversion; machines and machine parts to recover
internal heat within a catalytic system; catalyst tube used
in a fired multitubular reactor for the production of heat
or internal heat; crude oil refining machines; boiler tubes;
blowers for the suction, compression and transport of gases;
heat exchangers [machine parts]
11
Apparatus for lighting, heating, steam generating, cooking,
refrigerating, drying, ventilating, water supply and
sanitary purposes; heat accumulators; steam accumulators;
acetylene burners; acetylene generators; hot air apparatus;
air cooling apparatus; air filtering apparatus; air
reheaters; air driers; feeding apparatus for heating
boilers; structural plates for ovens; coolers for furnaces;
gas burners, oil burners and alcohol burners; gas burners;
burners; apparatus for loading furnaces; platforms for
loading furnaces; air valves for steam heating
installations; heating apparatus for solid, liquid or
gaseous fuels; heating installations; distillation columns;
gas condensers [other than parts of machines]; air quality
control installations; control and safety accessories for
gas pipes; heating elements; distillation apparatus; heat
exchangers; gas scrubbing apparatus; evaporators; filters
[parts of industrial facilities]; furnaces [except for
experimental furnaces]; shaped fittings for furnaces;
furnace grids; ovens [except for experimental ovens];
refrigerating apparatus and machines; control and safety
accessories for gas apparatus; steam generators [other than
parts of machines]; cooling installations for liquids;
refining towers for distillation; water heaters [apparatus];
heat regenerators; cooling apparatus and facilities;
pressurized water tanks; level controlling valves in tanks;
coils [parts of distilling, heating or cooling
installations]; safety accessories for water or gas
apparatus and pipes; boiler pipes [tubes] for heating
installations; flare stacks [oil industry]; steam generating
installations; heating installations for the petro-chemical,
petroleum and gas industries; refinery heaters and refinery
burners; industrial burners; burners for industrial
furnaces; burner assemblies; air gas mixing devices for
burners and air heating systems comprised primarily of
ducts, pipes, and heater manifolds through which heated air
or gaseous streams pass or circulate