NICE CLASSIFICATION · NCL 13-2026
Class 11 — Environmental Control Apparatus
Every entry WIPO publishes for Class 11 (Environmental Control Apparatus) in NCL 13-2026: 377 official indications, each with its basic number. Copy wording as printed rather than paraphrasing it — the USPTO ID Manual is built from this same list.
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Official class heading
- Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply and sanitary purposes
Explanatory note
Class 11 includes mainly environmental control apparatus and installations, in particular, for the purposes of lighting, cooking, cooling and sanitizing.
This class includes, in particular
- air-conditioning apparatus and installations
- ovens, other than for laboratory use, for example, dental ovens, microwave ovens, bakers' ovens
- stoves being heating apparatus
- solar thermal collectors
- chimney flues, chimney blowers, hearths, domestic fireplaces
- sterilizers, incinerators
- lighting apparatus and installations, for example, luminous tubes for lighting, searchlights, luminous house numbers, vehicle reflectors, lights for vehicles
- lamps, for example, electric lamps, gas lamps, laboratory lamps, oil lamps, street lamps, safety lamps
- tanning beds
- bath installations, bath fittings, bath plumbing fixtures
- toilets, urinals
- fountains, chocolate fountains
- electrically heated pads, cushions and blankets, not for medical purposes
- hot water bottles
- electrically heated carpets, electrically heated mugs
- electric appliances for making yogurt, bread-making machines, coffee machines, ice-cream making machines
- ice machines and apparatus
This class does not include, in particular
- air condensers (Class 7)
- current generators, electricity generators (Class 7)
- soldering lamps (Class 7), optical lamps, darkroom lamps (Class 9), lamps for medical purposes (Class 10)
- steam producing apparatus being parts of machines (Class 7)
- ovens for laboratory use (Class 9)
- photovoltaic cells (Class 9)
- signalling lights (Class 9)
- electrically heated pads, cushions and blankets, for medical purposes (Class 10)
- cooking utensils that do not have an integrated heat source, for example, non-electric griddles and grills, non-electric waffle irons, non-electric pressure cookers (Class 21)
- non-electric portable coolers (Class 21)
- portable baby baths (Class 21)
- electrically heated clothing (Class 25)
Every official entry in this class
The alphabetical list published by WIPO for NCL NCL 13-2026, in force from 2026-01-01. Each entry carries its basic number; wording listed under “Also accepted” is a synonym the registry accepts for the same entry. Use the wording as printed — it is the same list the USPTO ID Manual is built from.
| Basic No. | Indication | Also accepted |
|---|---|---|
| 0001 | watering installations, automatic | |
| 0002 | heat accumulators | |
| 0003 | acetylene burners | |
| 0004 | acetylene generators | |
| 0005 | acetylene flares | |
| 0006 | ventilation hoods | |
| 0007 | lighting installations for air vehicles | |
| 0008 | hot air ovens | |
| 0009 | air deodorizing apparatus | air deodorising apparatus |
| 0010 | air cooling apparatus | |
| 0011 | filters for air conditioning | |
| 0012 | air reheaters | |
| 0013 | air dryers | air driers |
| 0014 | air-conditioning installations | |
| 0015 | air filtering installations | |
| 0016 | hot air apparatus | |
| 0018 | friction lighters for igniting gas | |
| 0019 | gas lighters | |
| 0021 | light bulbs | |
| 0022 | light bulbs, electric | |
| 0023 | arc lamps | |
| 0024 | electric lamps | |
| 0025 | structural framework for ovens | |
| 0026 | refrigerating cabinets | |
| 0027 | lights for vehicles | |
| 0031 | headlights for automobiles | |
| 0032 | coolers for furnaces | cooling vats for furnaces |
| 0033 | bath tubs | |
| 0035 | bath tubs for sitz baths | |
| 0036 | Turkish bath cabinets, portable | |
| 0037 | bath fittings | |
| 0038 | heaters for baths | |
| 0039 | bath installations | bath plumbing fixtures |
| 0040 | lamps | |
| 0041 | lanterns for lighting | |
| 0042 | lamp mantles | lamp casings |
| 0043 | incandescent burners | |
| 0044 | burners for lamps | |
| 0045 | bicycle lights | |
| 0046 | bidets | |
| 0047 | boilers, other than parts of machines | |
| 0048 | kilns | |
| 0049 | hydrants | |
| 0050 | radiator caps | |
| 0051 | electric torches | electric flashlights |
| 0052 | water heaters* | |
| 0053 | bakers' ovens | |
| 0055 | anti-splash tap nozzles | |
| 0056 | roasting jacks | |
| 0057 | roasting spits | |
| 0058 | laboratory burners | |
| 0059 | flare stacks for use in the oil industry | |
| 0060 | burners* | |
| 0061 | germicidal burners | |
| 0063 | laundry room boilers | washing coppers |
| 0064 | toilets, portable | |
| 0065 | fans [air-conditioning] | |
| 0066 | coffee roasters | |
| 0067 | heating apparatus | |
| 0068 | taps for pipes and pipelines | faucets for pipes and pipelines; spigots for pipes and pipelines; cocks for pipes and pipelines |
| 0069 | heat regenerators | |
| 0070 | oven fittings made of fireclay | |
| 0071 | light bulbs for directional signals for vehicles | |
| 0072 | carbon for arc lamps | |
| 0073 | heating installations | |
| 0075 | flushing tanks | |
| 0076 | heating installations [water] | hot water heating installations |
| 0077 | heating boilers | |
| 0078 | boiler pipes [tubes] for heating installations | |
| 0079 | air conditioners for vehicles | |
| 0080 | heating apparatus for solid, liquid or gaseous fuels | |
| 0081 | heaters for vehicles | |
| 0082 | heating apparatus, electric | |
| 0083 | central heating radiators | |
| 0084 | humidifiers for central heating radiators | |
| 0085 | heating elements | |
| 0086 | heaters for heating irons | |
| 0087 | footwarmers, electric or non-electric | |
| 0089 | plate warmers | |
| 0090 | immersion heaters | |
| 0091 | lamp glasses | |
| 0092 | lamp chimneys | |
| 0093 | chimney flues | |
| 0094 | chimney blowers | |
| 0095 | hair dryers | hair driers |
| 0096 | water distribution installations | |
| 0097 | drying apparatus | |
| 0099 | air-conditioning apparatus | |
| 0100 | glue-heating appliances | |
| 0101 | distillation columns | |
| 0103 | pipes [parts of sanitary installations] | water-pipes for sanitary installations |
| 0104 | water conduits installations | |
| 0105 | toilets | |
| 0106 | freezers | |
| 0107 | cooking utensils, electric | |
| 0108 | cooking stoves | cookers |
| 0109 | cooking apparatus and installations | |
| 0110 | motorcycle lights | |
| 0111 | discharge tubes, electric, for lighting | |
| 0112 | defrosters for vehicles | |
| 0115 | disinfectant apparatus | |
| 0116 | desalination plants | |
| 0117 | desiccating apparatus | |
| 0118 | light diffusers | |
| 0119 | beverage cooling apparatus | |
| 0120 | distillation apparatus* | |
| 0121 | showers* | |
| 0122 | sockets for electric lights | |
| 0123 | water purification installations | |
| 0124 | water filtering apparatus | |
| 0125 | cooling installations for water | |
| 0126 | fountains | |
| 0127 | pressure water tanks | |
| 0128 | water sterilizers | water sterilisers |
| 0129 | heat exchangers, other than parts of machines | |
| 0130 | lighting apparatus and installations | |
| 0133 | chandeliers | |
| 0135 | purification installations for sewage | |
| 0136 | ceiling lights | |
| 0137 | radiators, electric | |
| 0138 | gas scrubbing apparatus | |
| 0141 | drying apparatus for fodder and forage | forage drying apparatus |
| 0142 | evaporators | |
| 0143 | stoves [heating apparatus] | |
| 0145 | filaments for electric lamps | |
| 0147 | filters for drinking water | |
| 0148 | flaming torches | |
| 0149 | forges, portable | |
| 0150 | furnaces, other than for laboratory use | ovens, other than for laboratory use |
| 0151 | fittings, shaped, for furnaces | fittings, shaped, for ovens; shaped fittings for furnaces; shaped fittings for ovens |
| 0152 | furnace grates | |
| 0153 | hearths | |
| 0154 | furnace ash boxes | ash pits for furnaces |
| 0155 | refrigerating apparatus and machines | |
| 0156 | refrigerating chambers | walk-in refrigerators |
| 0157 | refrigerating containers | |
| 0158 | curling lamps | |
| 0159 | fruit roasters | |
| 0160 | gas scrubbers [parts of gas installations] | scrubbers [parts of gas installations] |
| 0161 | gas burners | |
| 0162 | gas boilers | |
| 0163 | gas lamps | |
| 0165 | steam boilers, other than parts of machines | |
| 0166 | germicidal lamps for purifying air | |
| 0167 | ice machines and apparatus | |
| 0168 | cool boxes, electric | coolers, electric |
| 0169 | lamp globes | globes for lamps |
| 0170 | hot plates | |
| 0171 | bread toasters | toasters |
| 0172 | roasting apparatus | griddles [cooking appliances]; grills [cooking appliances] |
| 0173 | incinerators | |
| 0174 | ionization apparatus for the treatment of air or water | |
| 0175 | ornamental fountains | |
| 0176 | laboratory lamps | |
| 0177 | milk cooling installations | |
| 0178 | pasteurisers | |
| 0179 | oil lamps | |
| 0180 | ultraviolet ray lamps, not for medical purposes | |
| 0182 | safety lamps | |
| 0183 | lamp reflectors | |
| 0185 | Chinese lanterns | |
| 0186 | wash-hand basins [parts of sanitary installations] | wash-hand bowls [parts of sanitary installations] |
| 0188 | cooling installations for liquids | |
| 0189 | luminous tubes for lighting | |
| 0190 | magnesium filaments for lighting | |
| 0191 | malt roasters | |
| 0192 | miners' lamps | |
| 0193 | installations for processing nuclear fuel and nuclear moderating material | |
| 0194 | level controlling valves in tanks | |
| 0196 | luminous house numbers | |
| 0197 | oxyhydrogen burners | |
| 0198 | radiators [heating] | |
| 0199 | oil burners | |
| 0200 | vehicle headlights | |
| 0201 | heating plates | |
| 0202 | searchlights | |
| 0203 | polymerisation installations | |
| 0204 | kitchen ranges [ovens] | |
| 0205 | air valves for steam heating installations | |
| 0206 | water purifying apparatus and machines | |
| 0207 | air purifying apparatus and machines | |
| 0208 | refining towers for distillation | |
| 0209 | cooling installations and machines | |
| 0210 | cooking rings | |
| 0212 | vehicle reflectors | |
| 0213 | refrigerating appliances and installations | |
| 0214 | cooling appliances and installations | |
| 0215 | dampers [heating] | |
| 0216 | regulating accessories for water or gas apparatus and pipes | |
| 0217 | safety accessories for water or gas apparatus and pipes | |
| 0218 | taps* | faucets* |
| 0219 | washers for water taps | washers for water faucets |
| 0220 | rotisseries | |
| 0221 | sanitary apparatus and installations | |
| 0222 | drying apparatus and installations | |
| 0223 | hand drying apparatus for washrooms | |
| 0224 | coils [parts of distilling, heating or cooling installations] | |
| 0225 | fans [parts of air-conditioning installations] | |
| 0226 | sterilizers | sterilisers |
| 0227 | cooling installations for tobacco | |
| 0228 | tobacco roasters | |
| 0229 | lighting apparatus for vehicles | |
| 0230 | roasters | |
| 0231 | ash conveyor installations, automatic | |
| 0232 | steam generating installations | |
| 0233 | ventilation [air-conditioning] installations and apparatus | |
| 0234 | ventilation [air-conditioning] installations for vehicles | |
| 0235 | toilet bowls | |
| 0236 | toilet seats | |
| 0237 | lampshades | |
| 0238 | lampshade holders | |
| 0239 | mixer taps for water pipes | mixer faucets for water pipes |
| 0240 | regulating and safety accessories for gas pipes | |
| 0241 | regulating and safety accessories for water apparatus | |
| 0242 | steam accumulators | |
| 0243 | water softening apparatus and installations | |
| 0244 | ventilation hoods for laboratories | |
| 0245 | air sterilizers | air sterilisers |
| 0246 | stills* | |
| 0247 | alcohol burners | |
| 0249 | anti-glare devices for vehicles [lamp fittings] | anti-dazzle devices for vehicles [lamp fittings] |
| 0250 | heating apparatus for defrosting vehicle windows | |
| 0251 | brackets for gas burners | |
| 0252 | water supply installations | |
| 0253 | nuclear reactors | |
| 0254 | autoclaves, electric, for cooking | pressure cookers, electric |
| 0256 | lights for automobiles | automobile lights |
| 0257 | heaters, electric, for feeding bottles | |
| 0258 | waffle irons, electric | |
| 0259 | regulating and safety accessories for gas apparatus | |
| 0261 | coffee percolators, electric | |
| 0262 | coffee machines, electric | |
| 0263 | street lamps | |
| 0264 | flues for heating boilers | |
| 0265 | barbecues | |
| 0266 | deep fryers, electric | |
| 0267 | fireplaces, domestic | |
| 0268 | heat pumps | |
| 0269 | solar thermal collectors [heating] | |
| 0270 | solar furnaces | |
| 0271 | tanning beds | |
| 0272 | water flushing installations | flushing apparatus |
| 0273 | feeding apparatus for heating boilers | |
| 0274 | refrigerators | |
| 0275 | deodorizing apparatus, not for personal use | deodorising apparatus, not for personal use |
| 0276 | water intake apparatus | |
| 0277 | oil-scrubbing apparatus | |
| 0278 | facial steamers | facial saunas |
| 0279 | kiln furniture [supports] | |
| 0280 | pocket warmers | |
| 0291 | spa baths [vessels] | |
| 0292 | chromatography apparatus for industrial purposes | |
| 0293 | heating filaments, electric | |
| 0294 | gas condensers, other than parts of machines | |
| 0296 | heating cushions, electric, not for medical purposes | heating pads, electric, not for medical purposes |
| 0297 | sauna bath installations | |
| 0298 | shower cubicles | shower enclosures |
| 0299 | sinks | |
| 0301 | urinals being sanitary fixtures | |
| 0302 | hot water bottles | |
| 0303 | kettles, electric | |
| 0304 | bed warmers | |
| 0305 | blankets, electric, not for medical purposes | |
| 0306 | warming pans | |
| 0307 | aquarium filtration apparatus | |
| 0308 | aquarium heaters | |
| 0309 | aquarium lights | |
| 0310 | electrically heated carpets | |
| 0311 | dental ovens | |
| 0312 | electric appliances for making yogurt | electric appliances for making yoghurt |
| 0313 | expansion tanks for central heating installations | |
| 0314 | extractor hoods for kitchens | |
| 0315 | electric fans for personal use | |
| 0316 | laundry dryers, electric | laundry driers, electric |
| 0317 | microwave ovens [cooking apparatus] | |
| 0318 | swimming pool chlorinating apparatus | |
| 0319 | thermostatic valves [parts of heating installations] | |
| 0320 | whirlpool-jet apparatus | |
| 0321 | apparatus for dehydrating food waste | |
| 0322 | diving lights | |
| 0323 | drip irrigation emitters [irrigation fittings] | |
| 0325 | clean chambers [sanitary installations] | |
| 0326 | lava rocks for use in barbecue grills | |
| 0327 | watering machines for agricultural purposes | |
| 0328 | microwave ovens for industrial purposes | |
| 0329 | bread baking machines | |
| 0330 | refrigerating display cabinets | |
| 0331 | fabric steamers | |
| 0332 | bread-making machines | |
| 0333 | light-emitting diode [LED] lighting apparatus | |
| 0334 | hydromassage bath apparatus | |
| 0335 | heated display cabinets | |
| 0336 | multicookers | |
| 0337 | food steamers, electric | |
| 0338 | tortilla presses, electric | |
| 0339 | book sterilization apparatus | book sterilisation apparatus |
| 0340 | heat guns | |
| 0341 | chocolate fountains, electric | |
| 0342 | disinfectant apparatus for medical purposes | |
| 0343 | wine cellars, electric | |
| 0344 | fairy lights for festive decoration | string lights for festive decoration |
| 0346 | head torches | portable headlamps |
| 0347 | nail lamps | |
| 0348 | sous-vide cookers, electric | |
| 0349 | microbubble generators for baths | |
| 0350 | heating and cooling apparatus for dispensing hot and cold beverages | |
| 0352 | pounded rice cake making machines, electric, for household purposes | |
| 0353 | wicks adapted for oil stoves | |
| 0354 | electric cooktops | |
| 0355 | candle lanterns | |
| 0356 | air fryers | |
| 0357 | ice-cream making machines | |
| 0358 | directional lights for bicycles | |
| 0359 | refrigerators, cooling apparatus and freezers for medical storage purposes | |
| 0360 | curing lamps, not for medical purposes | |
| 0361 | hydroponic growing systems | |
| 0362 | electric thermo-pots | |
| 0363 | food dehydrators, electric | |
| 0364 | USB-powered hand warmers | |
| 0365 | USB-powered cup heaters | |
| 0366 | couscous cookers, electric | |
| 0367 | standard lamps | floor lamps |
| 0368 | tajines, electric | tagines, electric |
| 0369 | light projectors | |
| 0370 | fog machines | |
| 0371 | underfloor heating apparatus and installations | |
| 0372 | humidifiers | |
| 0373 | soya milk making machines, electric | |
| 0374 | coffee capsules, empty, for electric coffee machines | |
| 0375 | beverage urns, electric | |
| 0376 | dehumidifiers | |
| 0377 | disinfectant apparatus for dispensing solutions into water-pipes for sanitary installations | |
| 0378 | membranes for reverse osmosis units | |
| 0379 | membrane filtration units for water treatment apparatus | |
| 0380 | filters for water filtering apparatus | |
| 0381 | reverse osmosis membrane filters for water treatment | |
| 0382 | kitchen sinks incorporating integrated worktops | |
| 0383 | coffee machines incorporating water purifiers | |
| 0384 | lightsticks, battery-operated | |
| 0385 | reverse osmosis units | |
| 0386 | apparatus for making ices and ice cream, electric | |
| 0387 | cooking pots, electric | |
| 0388 | adsorption apparatus for generating gas | |
| 0389 | membrane apparatus for generating gas | |
| 0390 | bioreactors for use in the treatment of wastewater | |
| 0391 | fermentation apparatus for industrial purposes | |
| 0392 | apparatus for fertilizer irrigation | |
| 0393 | electrically heated mugs | |
| 0394 | running lights for vehicles | |
| 0395 | snow-making machines | snow cannons |
| 0396 | beer brewing machines, electric, for household purposes | |
| 0397 | bioreactors for use in the treatment of waste | |
| 0398 | heat-stabilized polypropylene pipes for heating installations | |
| 0399 | glow sticks for lighting | |
| 0400 | venturi scrubbers | |
| 0401 | membranes for water filtering apparatus | |
| 0402 | smart light bulbs | |
| 0403 | full-body drying apparatus | |
| 0404 | ozonizers for sanitizing purposes | ozone generators for sanitizing purposes |
| 0405 | sterilizers for medical instruments | sterilisers for medical instruments |
| 0406 | smokers [cooking apparatus] | |
| 0407 | heated carving stations | |
| 0408 | personal cooling packs, not for medical purposes | |
| 0409 | smoke machines | |
| 0410 | coffeepots, electric | |
| 0411 | frying pans, electric | |
| 0412 | electric hot pots | |
| 0413 | glue pots, electric | |
| 0414 | light-emitting diode [LED] light bulbs | |
| 0415 | cryogenic apparatus* | |
| 0416 | dish drying machines | |
| 0417 | smart refrigerators | |
| 0418 | sprayers being disinfectant apparatus | |
| 0419 | cooling mats for pets, not for veterinary purposes | |
| 0420 | phytolamps for growing plants | |
| 0421 | steam cabinets for cleaning and freshening clothing | |
| 0422 | electric night-lights |
52 synonym wording(s) are listed alongside their entries above.