A23L 2/74

Using membranes

Official title: using membranes, e.g. osmosis, ultrafiltration

A23L2/74 (Using membranes) appears on 88 US grants and 131 published applications in this corpus.

Search patents in A23L
Granted patents
88
Published applications
131
Assignees
96
Inventors
330
Latest grant
27 Jan 2026

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A23L 2/74: granted patents and published applications per publication year
YearGranted patentsPublished applications
197810
197900
198000
198100
198200
198300
198400
198510
198600
198710
198810
198910
199060
199120
199210
199340
199410
199510
199640
199700
199820
199910
200010
200100
200200
200314
200422
200514
200634
200716
200833
200906
201002
201122
201217
201319
201406
201556
201648
201726
201835
2019106
202034
202137
202249
202359
202426
202535
202615

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

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