Filings by year

B01D 46/0053: granted patents and published applications per publication year
YearGranted patentsPublished applications
198810
198900
199000
199100
199200
199300
199400
199500
199600
199700
199800
199910
200020
200100
200200
200300
200400
200501
200610
200700
200801
200900
201000
201100
201200
201301
201412
201500
201610
201711
201816
201923
202011
202101
202221
202310
202421

By publication year. Applications have been published since 2001.