Filings by year

B01D 3/326: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197800
197910
198000
198100
198200
198300
198400
198500
198600
198710
198800
198900
199010
199100
199210
199300
199400
199500
199610
199700
199800
199900
200010
200121
200200
200301
200414
200513
200653
200721
200811
200922
201012
201101
201227
201347
201430
201522
201632
201702
201813
201948
202062
202133
202200
202343
202421
202500
202611

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