B21F 1/02

Straightening

B21F1/02 (Straightening) appears on 122 US grants and 104 published applications in this corpus.

Search patents in B21F
Granted patents
122
Published applications
104
Assignees
100
Inventors
297
Latest grant
10 Feb 2026

Filings by year

B21F 1/02: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197760
197810
197910
198040
198110
198220
198330
198430
198500
198610
198700
198830
198920
199030
199130
199230
199300
199430
199540
199640
199740
199820
199920
200040
200110
200211
200310
200421
200501
200600
200711
200801
200900
201003
201105
201212
201303
201463
201534
201616
201753
201857
201908
202046
202135
2022311
2023139
2024410
202567
202627

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