Filings by year

B01D 67/00165: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197810
197900
198010
198130
198210
198300
198400
198500
198600
198720
198820
198900
199010
199110
199220
199300
199400
199500
199600
199710
199820
199910
200020
200101
200212
200333
200414
200512
200622
200728
200814
200923
201035
201120
201207
201326
201474
2015615
201658
2017714
2018107
2019711
2020611
2021914
2022710
202369
202486
20251011
202624

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

Recent patents

Most cited

By later US patents