Filings by year

B01D 3/205: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197710
197810
197910
198020
198110
198200
198300
198400
198520
198610
198710
198800
198910
199010
199110
199200
199300
199400
199500
199600
199710
199800
199900
200000
200100
200201
200301
200400
200503
200631
200711
200801
200910
201001
201122
201213
201344
201421
201535
201643
201703
201841
201943
202023
202123
202230
202301
202411
202502
202611

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

Recent patents

Most cited

By later US patents