Class 4: Oils, fuels, candles

Class heading

• Industrial oils and greases, wax
• lubricants
• dust absorbing, wetting and binding compositions
• fuels and illuminants
• candles and wicks for lighting

What class 4 covers

Class 4 includes mainly industrial oils and greases, fuels and illuminants.

This class includes in particular:

• oils for the preservation of masonry or of leather
• raw wax, industrial wax
• electrical energy
• motor fuels, biofuels
• non-chemical additives for fuels
• wood for use as fuel

This class does not include in particular:

• certain special industrial oils and greases, for example, oils for tanning leather (Class 1), oils for the preservation of wood, anti-rust oils and greases (Class 2)
• certain special waxes, for example, grafting wax for trees (Class 1), tailors' wax, polishing wax, depilatory wax (Class 3), dental wax (Class 5), sealing wax (Class 16)
• massage candles for cosmetic purposes (Class 3) or for therapeutic purposes (Class 5)
• wicks adapted for oil stoves (Class 11) and for cigarette lighters (Class 34)

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 4

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

• Industrial oils and greases, cutting fluids, dust absorbing, wetting and binding compositions
  Show official Turkish text

  Sınai amaçlı yağlar, gresler, kesme sıvıları, toz emici - ıslatıcı ve bağlayıcı maddeler.

• Solid fuels; coal, firewood
  Show official Turkish text

  Katı yakıtlar; kömürler, odun.

• Liquid and gaseous fuels; motor fuel (gasoline), diesel oil, liquefied petroleum gas, natural gas, fuel oil and non-chemical additives for these
  Show official Turkish text

  Sıvı ve gaz yakıtlar; benzin, mazot, sıvılaştırılmış petrol gazı, doğal gaz, fueloil ile bunların kimyasal olmayan katkıları.

• Candles and wicks for lighting, semi-processed waxes, beeswax, paraffin
  Show official Turkish text

  Aydınlanma amaçlı mumlar, fitiller, yarı mamul vakslar, balmumları (vakslar), parafinler.

• Electrical energy
  Show official Turkish text

  Elektrik enerjisi.

Example terms in class 4

A selection of 100 terms from the 525 USPTO ID Manual terms in this class.

• Aircraft fuel
• Alcohol used as fuel
• Anthracite
• Automotive engine oils
• Aviation fuel
• Belt dressings
• Biodiesel fuel
• Biomass fuel
• Biopropane fuel
• Briquettes of wood
• Butane lighter fuel
• Candle wicks
• Candles containing
• Candles for decorating cakes
• Candles for night lights
• Castor oil for industrial purposes
• Christmas tree candles
• Coal briquettes
• Coal tar oil
• Colored fire torches
• Combustible oil
• Corn oils for industrial purposes
• Cutting fluids
• Cutting fluids for millworking
• Cutting oils for metalworking
• Diesel fuel
• Dust binding compositions for sweeping
• Electrical energy from renewable sources
• Engine oils
• Fish oil for industrial purposes
• Fuel for aircraft and ships
• Fuel from crude oil
• Fuel with an alcohol base
• Fuels for cooking
• Gas oil for domestic heating
• Gear oils
• Graphite lubricants
• Grease for leather
• Greases for boots and shoes
• Heating oil
• Hookah coal
• Illuminants being candles
• Industrial greases
• Industrial oils
• Industrial wax
• Kerosene
• Lamp oil
• Lanolin for industrial purposes
• Light oils
• Lighting paper
• Liquefied natural gas
• Liquefied petroleum gas for motor vehicles
• Liquefied petroleum gases for industrial purposes
• Liquid rocket fuel
• Liquified petroleum gases for industrial purposes
• Lubricants for dental instruments
• Lubricants for musical instruments
• Lubricating greases
• Lubricating oils
• Lump charcoal
• Mazut
• Mineral fuel
• Mold releasing oils
• Motor oil
• Naphtha
• Non-chemical additives for fuels
• Non-chemical additives for motor fuels
• Non-chemical motor oil additives
• Oils for lighting
• Oils for the preservation of leather
• Palm kernel oil for industrial
• Paraffin
• Peat briquettes
• Perfumed soya candles
• Petroleum based dust absorbing compositions
• Premium specialty industrial lubricants
• Propane gas
• Rape oil for industrial purposes
• Raw or refined petroleum
• Renewable natural gas
• Scented soy candles
• Shabbat candles
• Ski wax
• Solid fuel for rockets
• Solidified gases being fuel
• Soya bean oil for industrial purposes
• Soybean oil for industrial purposes
• Surgical milk
• Tallow candles
• Tealight candles
• Two cycle engine oil
• Votive candles
• Wax emulsions for industrial purposes
• Wax for making candles
• Wax for sports equipment
• Wax powders for industrial purposes
• Wicks for candles for lighting
• Wood briquettes
• Wood logs for fuel
• Wood shavings for smoking and grilling

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

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