B21D 22/28

Of cylindrical articles using consecutive dies

Official title: of cylindrical articles using consecutive dies

B21D22/28 (Of cylindrical articles using consecutive dies) appears on 340 US grants and 311 published applications in this corpus.

Search patents in B21D
Granted patents
340
Published applications
311
Assignees
158
Inventors
588
Latest grant
1 Sep 2026

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B21D 22/28: granted patents and published applications per publication year
YearGranted patentsPublished applications
197640
197750
197840
197970
198060
198160
198240
198350
198440
198590
198640
198710
198840
198920
199030
199160
199250
1993100
199450
199570
199640
1997140
199880
199940
200030
200150
200200
200341
200402
200512
200645
200711
200812
200906
201054
201126
201206
201325
2014313
2015815
20161719
2017914
20181229
20191325
20202420
20211721
20221720
2023729
20241416
20252532
20261518

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

Subgroups

Granted patents