E04C 2/28

Combinations of materials fully covered by groups e04c2/04 and e04c2/08

Official title: combinations of materials fully covered by groups E04C2/04 and E04C2/08

E04C2/28 (Combinations of materials fully covered by groups e04c2/04 and e04c2/08) appears on 111 US grants and 177 published applications in this corpus.

Search patents in E04C
Granted patents
111
Published applications
177
Assignees
107
Inventors
259
Latest grant
7 Oct 2025

Filings by year

E04C 2/28: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197800
197900
198000
198100
198200
198300
198400
198500
198600
198710
198800
198900
199010
199100
199210
199300
199410
199500
199610
199700
199800
199900
200000
200100
200200
200300
200403
200501
200603
200702
200804
200916
201051
201116
201214
201305
201438
20151112
2016920
2017823
2018157
2019713
20201512
2021211
2022108
2023412
202466
202575
202605

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

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