B21J 13/04

Frames

Official title: Frames; Guides

B21J13/04 (Frames) appears on 52 US grants and 27 published applications in this corpus.

Search patents in B21J
Granted patents
52
Published applications
27
Assignees
33
Inventors
89
Latest grant
20 Jan 2026

Filings by year

B21J 13/04: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197710
197810
197900
198000
198120
198220
198300
198410
198510
198620
198740
198800
198910
199010
199100
199210
199320
199410
199500
199600
199700
199820
199900
200000
200120
200200
200312
200401
200501
200632
200721
200810
200911
201000
201100
201210
201301
201401
201511
201621
201710
201801
201901
202011
202122
202203
202315
202431
202560
202611

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

Recent patents

Most cited

By later US patents