Filings by year

B01D 15/1871: granted patents and published applications per publication year
YearGranted patentsPublished applications
197820
197900
198010
198110
198210
198320
198420
198500
198600
198700
198830
198920
199000
199120
199200
199310
199410
199500
199600
199700
199810
199910
200010
200154
2002127
200376
200466
200575
200624
200714
200817
200928
201049
201148
201267
2013613
2014623
2015721
20161124
20171425
20181716
20191640
20202534
20212034
20221636
20231545
20242527
20252637
20262629

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

Subgroups

Granted patents

Recent patents

Most cited

By later US patents