B21B 31/22

Mechanically

Official title: mechanically {, e.g. by thrust blocks, inserts for removal}

B21B31/22 (Mechanically) appears on 173 US grants and 59 published applications in this corpus.

Search patents in B21B
Granted patents
173
Published applications
59
Assignees
83
Inventors
328
Latest grant
1 Jul 2025

Filings by year

B21B 31/22: granted patents and published applications per publication year
YearGranted patentsPublished applications
197630
197720
197810
197950
198070
198160
198200
198330
198440
198510
198620
198750
198840
198940
1990100
199160
199250
199320
199440
199550
199630
1997100
199880
1999120
2000100
200172
200244
200345
200423
200540
200622
200701
200801
200912
201024
201102
201222
201300
201403
201512
201612
201741
201821
201900
202014
202123
202212
202365
202421
202535
202602

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

Subgroups

Granted patents