C12M 27/22

Perforated plates, discs or walls

Official title: {Perforated plates, discs or walls}

C12M27/22 (Perforated plates, discs or walls) appears on 56 US grants and 45 published applications in this corpus.

Search patents in C12M
Granted patents
56
Published applications
45
Assignees
54
Inventors
158
Latest grant
12 May 2026

Filings by year

C12M 27/22: granted patents and published applications per publication year
YearGranted patentsPublished applications
197620
197700
197830
197930
198020
198140
198220
198340
198400
198500
198600
198730
198810
198920
199010
199110
199210
199300
199400
199500
199600
199710
199820
199900
200000
200101
200211
200310
200400
200500
200600
200700
200805
200901
201003
201101
201211
201320
201411
201512
201601
201700
201812
201902
202006
202122
202223
202335
202463
202524
202611

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

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By later US patents