Filings by year

B01D 67/00414: granted patents and published applications per publication year
YearGranted patentsPublished applications
199110
199200
199300
199400
199510
199610
199700
199800
199900
200000
200100
200200
200300
200400
200501
200600
200712
200801
200900
201020
201100
201201
201300
201411
201500
201600
201700
201801
201901
202011
202101
202200
202310
202403
202513

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents