Filings by year

B01D 15/222: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197720
197850
197920
198050
198170
198240
198330
198440
198570
198620
198730
198800
198900
199000
199100
199200
199300
199400
199500
199600
199700
199800
199900
200010
200121
200248
200337
200454
200539
200619
200724
2008411
200919
2010916
2011515
2012210
201375
2014104
2015103
201675
201725
201813
201935
202024
202134
202265
202325
202468
202558
202628

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

Recent patents

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By later US patents