Filings by year

B01D 2259/812: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197700
197800
197900
198000
198100
198210
198300
198400
198500
198610
198700
198810
198910
199020
199110
199200
199310
199420
199520
199630
199730
199860
199910
200010
200131
200242
200331
200421
200500
200603
200713
200800
200912
201013
201101
201200
201311
201401
201531
201612
201713
201810
201912
202004
202151
202220
202308
202415
202541
202631

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

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By later US patents