Liberating Patents (Class 19/1)
- With seed or leaf removing (Class 19/6)
- With liquid treatment (Class 19/7)
- With air blast (Class 19/9)
- Individual stalk opening (Class 19/10)
- Traveling clamp feed (Class 19/11)
- Apron machines (Class 19/19)
- Combinations with reciprocating brakes (Class 19/21)
- Reciprocating brakes (Class 19/22)
- Rotary machines (Class 19/24)
- Depulping (Class 19/34)
- Systems (Class 19/5A)