Special Stitch Patents (Class 66/215)
- Control of sinkers (Class 66/217)
- Electrical control type (Class 66/218)
- Simultaneous control of multiple butt levels (Class 66/222)
- Having pattern at rotating member engaging butts at single level (Class 66/228)
- Having butt-engaging members limited to other than rotary motion about the periphery and longitudinal axis of the needle cylinder (Class 66/230)