C25D 21/06

Filtering particles other than ions

Official title: Filtering {particles other than ions (filtering ions C25D21/22)}

C25D21/06 (Filtering particles other than ions) appears on 93 US grants and 109 published applications in this corpus.

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Granted patents
93
Published applications
109
Assignees
63
Inventors
257
Latest grant
5 May 2026

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C25D 21/06: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197800
197920
198010
198100
198210
198300
198400
198510
198610
198700
198800
198910
199010
199100
199200
199310
199420
199500
199610
199710
199810
199900
200000
200101
200210
200321
200411
200501
200603
200710
200802
200913
201010
201125
201223
201322
201405
201513
201647
2017510
2018711
201987
2020107
202189
2022810
202344
202458
202544
202612

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

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