Filings by year

B01D 46/38: granted patents and published applications per publication year
YearGranted patentsPublished applications
197930
198010
198110
198210
198300
198430
198520
198600
198710
198800
198900
199010
199110
199200
199320
199410
199510
199600
199700
199810
199910
200010
200100
200211
200300
200400
200501
200600
200710
200800
200911
201002
201112
201220
201311
201410
201501
201610
201700
201801
201910
202001
202110
202211

By publication year. Applications have been published since 2001.