Filings by year

B21C 23/212: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197820
197910
198020
198120
198240
198330
198420
198500
198600
198710
198840
198920
199020
199110
199210
199310
199420
199520
199600
199700
199800
199910
200000
200110
200200
200301
200402
200502
200611
200730
200822
200901
201021
201102
201201
201311
201419
201526
201666
201776
201827
201971
2020410
202133
202276
202333
202444
202532
202619

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

Subgroups

Granted patents

Recent patents

Most cited

By later US patents