Filings by year

D06P 1/622: granted patents and published applications per publication year
YearGranted patentsPublished applications
197670
197720
197820
197920
198030
198160
198240
198330
198420
198500
198620
198710
198820
198930
199030
199130
199210
199330
199420
199530
199640
199710
199810
199950
200020
200110
200221
200302
200412
200521
200610
200714
200800
200900
201000
201101
201200
201310
201402
201512
201601
201712
201812
201921
202021
202101
202212
202300
202411
202500
202601

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