Filings by year

B01D 33/0315: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197710
197800
197920
198000
198100
198200
198300
198400
198500
198600
198710
198820
198930
199020
199100
199210
199310
199400
199530
199600
199700
199810
199900
200000
200100
200211
200301
200420
200501
200601
200702
200801
200901
201002
201101
201211
201311
201420
201511
201600
201710
201801
201902
202000
202101
202232
202310
202410
202501

By publication year. Applications have been published since 2001.

Subgroups

Granted patents