E04D 3/18

Of specified materials, or of combinations of materials, not covered by any

Official title: of specified materials, or of combinations of materials, not covered by any of groups E04D3/04, E04D3/06 or E04D3/16

E04D3/18 (Of specified materials, or of combinations of materials, not covered by any) appears on 39 US grants and 63 published applications in this corpus.

Search patents in E04D
Granted patents
39
Published applications
63
Assignees
22
Inventors
71
Latest grant
21 Jul 2026

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E04D 3/18: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197800
197910
198000
198100
198200
198300
198400
198500
198600
198700
198800
198900
199000
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199300
199400
199500
199600
199700
199800
199900
200000
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200400
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200602
200702
200801
200900
201022
201101
201222
201343
201402
201502
201623
201706
201867
201937
202056
202133
202224
202335
202421
202522
202612

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

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