Filings by year

B01D 15/161: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197800
197900
198000
198100
198210
198300
198400
198500
198600
198700
198800
198900
199000
199100
199200
199300
199400
199500
199600
199700
199800
199910
200020
200111
200241
200311
200401
200510
200612
200700
200801
200911
201001
201112
201213
201300
201401
201527
201628
201718
2018210
2019108
202056
2021710
2022710
202322
202475
202535
202641

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

Recent patents

Most cited

By later US patents