B21H 3/04

Making by means of profiled-rolls or die rolls

Official title: Making by means of profiled-rolls {or die rolls}

B21H3/04 (Making by means of profiled-rolls or die rolls) appears on 103 US grants and 92 published applications in this corpus.

Search patents in B21H
Granted patents
103
Published applications
92
Assignees
66
Inventors
192
Latest grant
30 Dec 2025

Filings by year

B21H 3/04: granted patents and published applications per publication year
YearGranted patentsPublished applications
197620
197710
197820
197910
198000
198100
198220
198310
198430
198500
198630
198700
198830
198910
199020
199110
199210
199300
199410
199530
199620
199710
199810
199930
200010
200120
200202
200321
200434
200524
200644
200721
200812
200912
201011
201116
201222
201310
201435
201505
201648
201796
201864
201933
202016
202146
202256
202312
202456
202553
202603

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

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