 
| Class | Class Name | 
|---|---|
| 4 | engine oil additives | 
| 4 | engine oils | 
| 4 | ethanol [fuel] | 
| 4 | firelighters | 
| 4 | firewood | 
| 4 | fish oil, not edible | 
| 4 | fluids for metal cutting and removal | 
| 4 | fluids used as lubricants | 
| 4 | fragranced candles | 
| 4 | fragranced or scented candles | 
| 4 | fuel | 
| 4 | fuel additives | 
| 4 | fuel alcohol | 
| 4 | fuel compositions in solid, liquid or gas form | 
| 4 | fuel gas | 
| 4 | fuel oil | 
| 4 | fuel preparations for facilitating the starting of internal combustion engines | 
| 4 | fuel with an alcohol base | 
| 4 | fuels and lubricants derived from petroleum | 
| 4 | fuels and lubricants for combustion engines in ground vehicles and watercraft | 
| 4 | fuels for heating | 
| 4 | fuels for internal combustion engines | 
| 4 | fuels for portable fireplaces | 
| 4 | fuels for small furnace | 
| 4 | gas | 
| 4 | gas cartridges | 
| 4 | gas for illuminant purposes | 
| 4 | gas for lighting | 
| 4 | gas for use as fuel | 
| 4 | gas fuels | 
| 4 | gas oil | 
| 4 | gaseous fuels | 
| 4 | gasoline | 
| 4 | gasoline for industrial purposes | 
| 4 | gear oils | 
| 4 | graphited lubricants | 
| 4 | grease for arms [weapons] | 
| 4 | grease for belts | 
| 4 | grease for footwear | 
| 4 | grease for leather | 
| 4 | greases | 
| 4 | greases for automobiles | 
| 4 | greases for conveyor belts | 
| 4 | greases for industrial machinery | 
| 4 | greases for shoes and boots | 
| 4 | greases for the preservation of leather | 
| 4 | heat stable greases | 
| 4 | heat-resistant lubricants | 
| 4 | high vacuum greases for use in sealing and lubricating joints in vacuum systems | 
| 4 | high-sulphur fuel |