 
| Class | Class Name | 
|---|---|
| 12 | carrier tricycles | 
| 12 | carriers for use on vehicles | 
| 12 | cars | 
| 12 | cars for cable transport installations | 
| 12 | carts | 
| 12 | casings for pneumatic tires | 
| 12 | casings for pneumatic tyres | 
| 12 | casings for pneumatic tyres | 
| 12 | casters for carts [vehicles] | 
| 12 | casters for trolleys [vehicles] | 
| 12 | casters for trolleys [vehicles] | 
| 12 | casting carriages | 
| 12 | casting cars | 
| 12 | castors [vehicle wheels] | 
| 12 | catamarans | 
| 12 | CD (compact discs) holders and pockets adapted for use in automobiles | 
| 12 | chains for driving motorcycles | 
| 12 | chairlifts | 
| 12 | children's car seats | 
| 12 | children's seats for use in vehicles | 
| 12 | cigar lighters for automobiles | 
| 12 | civilian drones | 
| 12 | cleaning trolleys | 
| 12 | cleats [nautical] | 
| 12 | clips adapted for fastening automobile parts to automobile bodies | 
| 12 | clutch disks for land vehicles | 
| 12 | clutches for land vehicles | 
| 12 | coaches | 
| 12 | coil springs for vehicle suspensions | 
| 12 | combustion engines for land vehicles | 
| 12 | concrete mixing vehicles | 
| 12 | connecting rods for land vehicles, other than parts of motors and engines | 
| 12 | connecting rods for vehicles , other than parts of motors and engines | 
| 12 | consoles being parts of vehicle interiors | 
| 12 | construction vehicles for transportation purposes | 
| 12 | containers adapted for use in vehicles | 
| 12 | convertible car seats | 
| 12 | couplings for land vehicles | 
| 12 | covers for motorcycle saddles | 
| 12 | covers for tyres | 
| 12 | covers for vehicle seats | 
| 12 | covers for vehicle steering wheels | 
| 12 | crankcases for land vehicle components, other than for engines | 
| 12 | crankcases for land vehicles [other than for engines] | 
| 12 | cranks (parts of land vehicles) | 
| 12 | cup holders for use in vehicles | 
| 12 | cup holders for vehicles | 
| 12 | cushions for use with car seats | 
| 12 | davits for boats | 
| 12 | delivery drones |