Filings by year

B01D 39/202: granted patents and published applications per publication year
YearGranted patentsPublished applications
197910
198000
198110
198200
198310
198400
198500
198600
198710
198800
198900
199000
199100
199200
199310
199400
199500
199600
199700
199810
199920
200020
200111
200212
200313
200412
200555
200614
200720
200812
200900
201001
201110
201232
201323
201410
201501
201600
201721
201802
201900
202020
202103
202203
202322
202401
202500
202610

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

Recent patents

Most cited

By later US patents