Filings by year

B03C 1/22: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197700
197820
197920
198010
198120
198200
198310
198400
198510
198600
198710
198820
198900
199000
199110
199210
199300
199410
199500
199600
199700
199800
199910
200000
200100
200201
200315
200423
200515
200637
200731
200851
200903
201003
201131
201205
201331
201423
201522
201632
201711
201843
201924
202044
202126
202243
202321
202443
202532
202604

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

Recent patents

Most cited

By later US patents