Filings by year

B21B 1/224: granted patents and published applications per publication year
YearGranted patentsPublished applications
197810
197900
198000
198110
198210
198300
198400
198530
198610
198700
198800
198920
199010
199110
199210
199300
199400
199510
199600
199720
199810
199910
200030
200121
200221
200300
200400
200510
200600
200700
200800
200900
201000
201101
201201
201301
201400
201520
201600
201702
201800
201901
202020
202101
202210
202300
202401
202520
202601

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

Recent patents

Most cited

By later US patents