Filings by year

B01D 15/424: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197810
197900
198000
198130
198220
198300
198400
198500
198600
198710
198810
198900
199010
199120
199220
199310
199410
199500
199610
199700
199820
199930
200020
200100
200285
200317
200463
2005310
2006411
200779
2008310
200927
201049
2011610
2012412
2013413
20141019
20151332
20161542
20172343
20182234
20192829
20202825
20212439
20222054
20232045
20243042
20252860
20262551

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