Filings by year

B01D 46/2455: granted patents and published applications per publication year
YearGranted patentsPublished applications
198410
198510
198600
198700
198810
198900
199010
199100
199200
199330
199420
199520
199630
199740
199860
199920
200010
200130
200225
200332
2004214
2005116
2006619
2007619
20081028
20091429
20102118
20112513
20121915
20131212
20141826
20151011
2016146
20171211
2018511
201999
2020912
2021710
2022136
202368
202473
202530
202633

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

Recent patents

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By later US patents