Filings by year

B01D 3/004: granted patents and published applications per publication year
YearGranted patentsPublished applications
198010
198100
198210
198300
198400
198510
198600
198700
198800
198900
199000
199100
199200
199300
199400
199500
199600
199700
199800
199900
200000
200100
200200
200300
200400
200500
200602
200715
200802
200933
201013
201145
201232
201320
201433
201513
201624
201701
201802
201958
202073
202133
202230
202322
202413
202513
202612

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