D01D 5/22

Formation of filaments, threads, or the like: with a crimped or curled

Official title: with a crimped or curled structure; with a special structure to simulate wool (producing crimped or curled effects in filaments or threads after formation D02G1/00)

D01D5/22 (Formation of filaments, threads, or the like: with a crimped or curled) appears on 188 US grants and 174 published applications in this corpus.

Search patents in D01D
Granted patents
188
Published applications
174
Assignees
125
Inventors
456
Latest grant
28 Jul 2026

Filings by year

D01D 5/22: granted patents and published applications per publication year
YearGranted patentsPublished applications
197630
197710
197820
197930
198030
198160
198280
198330
198420
198540
198640
198710
198820
198920
199020
199110
199240
199360
199440
199550
199670
199760
199860
199950
200020
200133
200268
200343
200442
200532
200622
200701
200803
200912
201014
201113
201224
201327
201425
201525
201624
201723
2018410
2019212
2020414
202189
2022120
2023917
2024149
20251119
202663

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

Subgroups

Granted patents

Recent patents

Most cited

By later US patents