Drafting Patents (Class 19/236)
- Including slip roll (Class 19/259)
- Including changing roll speed or location (Class 19/260)
- With clearing (Class 19/262)
- Pressure-applying devices (Class 19/266)
- Roll condensing (Class 19/286)
- Reciprocating transverse guide, condenser, or roll (Class 19/287)
- With fiber guide, condenser, or brake (Class 19/288)
- Gear or friction driving (Class 19/293)
- Roll stands (Class 19/294)