Filings by year

B01D 33/727: granted patents and published applications per publication year
YearGranted patentsPublished applications
197820
197900
198010
198100
198210
198300
198420
198510
198600
198710
198810
198900
199010
199100
199210
199310
199420
199500
199600
199710
199800
199910
200000
200102
200200
200311
200400
200501
200620
200701
200800
200901
201010
201100
201210
201300
201400
201501
201601
201711
201800
201900
202001
202100
202201
202300
202410

By publication year. Applications have been published since 2001.