Filings by year

B01D 15/3861: granted patents and published applications per publication year
YearGranted patentsPublished applications
197810
197900
198010
198120
198200
198310
198420
198500
198610
198720
198810
198920
199010
199130
199210
199340
199410
199510
199610
199710
199820
199900
200020
200100
200210
200345
200432
200513
200627
200704
200841
200915
201025
201102
201226
201342
201468
2015114
2016312
201768
201896
2019611
2020812
2021411
2022810
202358
202453
2025716
2026811

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