Filings by year

B01D 15/1857: granted patents and published applications per publication year
YearGranted patentsPublished applications
199710
199800
199900
200010
200100
200200
200300
200404
200510
200611
200701
200800
200901
201021
201102
201211
201301
201400
201510
201602
201721
201820
201900
202000
202100
202201

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents