Wringers Patents (Class 68/241)
- Combined (Class 68/245)
- Enclosable (Class 68/247)
- Rolls in horizontal plane (Class 68/248)
- Interconnected functional units (Class 68/249)
- Pressure applying or release mechanisms (Class 68/256)
- Guards, guides and feeds (Class 68/264)
- Gearing and bearings (Class 68/269R)
- Strippers (Class 68/270)
- Drains (Class 68/271)
- Mountings (Class 68/272)