Class 11: Lighting, heating, cooling, plumbing

Class heading

• Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply and sanitary purposes

What class 11 covers

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)

Class heading and explanatory note adapted from WIPO’s Nice Classification explanatory notes (NCL 13-2026), © WIPO, CC BY. Changes: shortened layout; references to other classes turned into links. CC BY 4.0 (opens in a new tab) · WIPO terms of use (opens in a new tab)

Turkish list (Tebliğ 2026/2) for class 11

Unofficial English translation. Filings in Türkiye use the official Turkish text of TÜRKPATENT Communiqué 2026/2.

• Lighting apparatus (lighting fixtures for vehicles and for indoor and outdoor spaces)
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  Aydınlatma cihazları (taşıtlar, iç ve dış mekanlar için aydınlatma armatürleri).

• Heating apparatus fuelled by solid, liquid or gaseous fuels and electric heating apparatus; combi boilers, boilers (water heaters), central heating boilers and radiators, heat exchangers, stoves, kitchen ranges; solar thermal collectors
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  Katı, sıvı, gaz yakıtlı ve elektrikli ısıtma amaçlı cihazlar; kombiler, boylerler, kalorifer kazanları ve petekleri, eşanjörler, sobalar, kuzineler; güneş enerjisi kolektörleri.

• Steam, gas and fog (smoke) generators; steam generators (boilers), acetylene generators, oxygen generators, nitrogen generators
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  Buhar, gaz ve sis (duman) üreteçleri (jeneratörleri); buhar jeneratörleri (kazanları), asetilen jeneratörleri, oksijen jeneratörleri, nitrojen jeneratörleri.

• Air conditioning and ventilation apparatus
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  İklimlendirme ve havalandırma cihazları.

• Refrigerators and freezers
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  Soğutucular ve dondurucular.

• Electric and gas-operated apparatus, machines and installations for cooking, drying and boiling; ovens, electric pressure cookers and pots, electric kettles, grills, barbecues, electric laundry dryers, hair dryers and hand drying apparatus
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  Pişirme, kurulama ve kaynatmada kullanılan elektrikle ve gazla çalışan aletler, makineler ve cihazlar; fırınlar, elektrikli tencereler, elektrikli su kaynatıcıları, mangallar, barbeküler, elektrikli çamaşır kurutucuları, saç kurutucuları ve el kurutma cihazları.

• Sanitary installations; taps (faucets), shower sets, toilet cistern fittings, bath and shower cabins, bathtubs, toilets (water-closets), sinks, washbasins, washers for taps, packing (tap cartridges), tap nozzles (aerators)
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  Sıhhi tesisat ürünleri; musluklar, duş takımları, klozet iç takımları, banyo - duş kabinleri, küvetler, klozetler, evyeler, lavabolar, musluklar için contalar, salmastralar (musluk iç takımı), musluklara takılan uçlar.

• Water softening apparatus, water purification apparatus, water purification installations, waste water treatment installations
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  Su yumuşatma cihazları, su arıtma cihazları, su arıtma tesisatı, atık arıtma tesisatı.

• Electric underblankets and electric blankets, not for medical purposes, heating cushions, foot warmers, electric or non-electric, hot water bottles
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  Tıbbi amaçlı olmayan elektrikli alt yaygıları ve elektrikli battaniyeler, ısıtıcı yastıklar, elektrikli veya elektriksiz ayak ısıtıcıları, sıcak su torbaları (termoforlar).

• Filters and filter-motor units for aquaria
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  Akvaryumlar için filtreler ve filtre - motor kombinasyonları.

• Industrial cooking, drying and cooling installations
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  Sanayi tipi pişirme, kurutma ve soğutma tesisatı.

• Pasteurisers and sterilisers
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  Pastörize ve sterilize edici makineler.

Example terms in class 11

A selection of 100 terms from the 2,417 USPTO ID Manual terms in this class.

• Accent lights for indoor
• Air conditioners for vehicles
• Air doors
• Air heating apparatus
• Air purifying units
• Air-conditioning apparatus for commercial buildings
• Apparatus for disinfecting vehicle tires
• Aquarium lamps
• Automobile headlamps
• Barbecue smoker cooking grates
• Bathroom sinks
• Bib cocks
• Boat reflectors
• Calcining kilns for industrial purposes
• Central heating radiators
• Chimney dampers
• Cocoon drying machines
• Commodes being toilets
• Cooling evaporators
• Cryogenic refrigerators
• Defrosters for vehicles
• Directional lights for bicycles
• Disinfectant sprayers
• Downlights
• Electric air dryers
• Electric blankets for household
• Electric clothes dryers
• Electric cooking ovens for household
• Electric cupcake makers
• Electric facial sauna apparatus
• Electric freezers for household purposes
• Electric heaters for making s'mores
• Electric humidifiers
• Electric lights for festive decoration
• Electric pancake frying pans
• Electric radiant heaters for household
• Electric samovars
• Electric space cooling apparatus
• Electric toasters
• Electric window fans
• Electrically-heated carpets
• Emergency floodlights
• Fabric steamers
• Faucet handles
• Filters for faucets
• Fitted covers for electric slow cookers
• Flameless candles
• Fluorescent lanterns
• Fondue pots with heat source
• Furnaces for industrial
• Gas cooking ovens
• Gas igniters for ovens
• Gas stovetops
• Hair driers
• Hand showers
• Headlights for vehicles
• Heaters for swimming pools
• Heating installations for industrial
• Hot air doors being air conditioners
• Hotplates
• Ice chests
• Indoor propane space heaters
• Industrial heating installations
• Installations for the cooling of water
• Kitchen stoves
• Lamps for bicycles
• Lavatories
• LED lighting fixtures
• Light bulbs
• Lighting devices for theatrical productions
• Liquid chromatography apparatus for industrial
• Marine sewage holding tank vent filters
• Microwave ovens for household purposes
• Motorcycle headlamps
• Oil cooking stoves
• Oxyhydrogen burners
• Pipes being parts of sanitary facilities
• Portable electric foot baths
• Portable stoves
• Propane torches for melting ice
• Reflectors for boats
• Reheating furnaces for industrial purposes
• Rotisseries
• Searchlights
• Shower heads
• Sink pedestals
• Solar cell street lamps
• Solid fuel burning stoves
• Stationary hair dryers
• Sterilizers
• Structural framework sold as parts
• Tap-water purifying apparatus
• Toilet seat lids
• Uplighters
• Vehicle defrosters
• Venturi scrubbers
• Waste water treatment apparatus
• Water filtering apparatus
• Water purification installations
• Watering machines for horticultural purposes

Example terms: Source: USPTO ID Manual (public domain), retrieved 18 October 2026.

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