Filings by year

B01D 15/3842: granted patents and published applications per publication year
YearGranted patentsPublished applications
198710
198800
198910
199010
199100
199200
199300
199400
199500
199600
199700
199800
199900
200000
200111
200200
200300
200400
200510
200600
200701
200800
200901
201000
201100
201210
201300
201411
201500
201600
201710

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents