Filings by year

B01D 67/0025: granted patents and published applications per publication year
YearGranted patentsPublished applications
197620
197730
197820
197900
198020
198140
198200
198330
198400
198510
198650
198760
198820
198960
199080
199170
199230
1993130
199490
199570
199660
1997100
1998120
199990
200090
2001112
200278
2003511
200477
2005413
2006812
2007516
20081114
2009633
20101315
20111216
2012911
2013719
20141819
2015713
2016721
20171517
2018913
20191214
2020819
20211417
20221511
2023919
20241422
20251211
2026714

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