B21F 1/04

Undulating

B21F1/04 (Undulating) appears on 53 US grants and 42 published applications in this corpus.

Search patents in B21F
Granted patents
53
Published applications
42
Assignees
40
Inventors
120
Latest grant
7 Jul 2026

Filings by year

B21F 1/04: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197820
197930
198000
198120
198200
198310
198420
198520
198620
198710
198810
198900
199000
199110
199200
199300
199400
199520
199610
199700
199800
199900
200000
200100
200204
200310
200431
200501
200601
200711
200802
200912
201021
201117
201221
201323
201400
201523
201644
201741
201812
201932
202000
202111
202211
202300
202402
202522
202610

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

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