Filings by year

C09B 1/34: granted patents and published applications per publication year
YearGranted patentsPublished applications
197640
197730
197880
197950
198040
198130
198240
198340
198400
198530
198610
198710
198820
198900
199000
199100
199200
199310
199400
199500
199600
199700
199810
199920
200020
200100
200200
200310
200400
200500
200600
200701
200800
200900
201010
201101
201210
201300
201434
201500
201600
201701
201800
201922
202000
202110

By publication year. Applications have been published since 2001.

Subgroups

Granted patents

Recent patents

Most cited

By later US patents