Textiles: Spinning, Twisting, And Twining Patents (Class 57)
- Endless bands (Class 57/201)
- Splices (Class 57/202)
- Chenille (Class 57/203)
- Alternately twisted (Class 57/204)
- Longitudinal variation (Class 57/206)
- Covered or wrapped (Class 57/210)
- Plied (Class 57/236)
- Multifilament yarns (Class 57/243)
- Staple fiber blends (Class 57/252)
- Coated or impregnated (Class 57/258)
- Web material (Class 57/260)
- Stapilizing (Class 57/2)
- Untwisting with separating (Class 57/2.3)
- Covering or wrapping (Class 57/3)
- Waxed ends (Class 57/20)
- Endless bands (Class 57/21)
- Splicing (Class 57/22)
- Chenille (Class 57/24)
- Ends or hanks (Class 57/25)
- Hair, grass or the like (Class 57/28)
- Web material (Class 57/31)
- Hollow rope machines (Class 57/33)
- Piecing up (Class 57/261)
- Monitor and control (Class 57/264)
- Monitor and record (Class 57/265)
- Doffing or donning (Class 57/266)
- With preparation for doffing- or donning-type operation (Class 57/276)
- Threading up (Class 57/279)
- Package handling (Class 57/281)
- Twist setting (Class 57/282)
- Alternate twist (Class 57/293)
- With coating or impregnating (Class 57/295)
- Transfer tail (Class 57/299)
- Clearing (Class 57/300)
- Atmospheric conditioning (Class 57/308)
- Strand finishing or developing (Class 57/309)
- With stretching (Class 57/310)
- With wire or strand preforming or shaping (Class 57/311)
- Skip type stranding machines (Class 57/58.3)
- Unitary multiple twist devices (Class 57/58.49)
- Open end spinning (Class 57/400)
- Delivery twist type (Class 57/59)
- Receiving twist type (Class 57/66)
- With rewinding (Class 57/313)
- Stranding (Class 57/314)
- With drafting (Class 57/315)
- False twist device (Class 57/332)
- With fluid jet (Class 57/350)
- With other type crimping or texturing (Class 57/351)
- Stopping or starting (Class 57/78)
- Feeding (Class 57/90)
- Driving (Class 57/92)
- Strand guiding or guarding (Class 57/352)
- Elements (Class 57/112)
- Processes (Class 57/362)
- Untwisting (Class 57/1UN)