E04F 15/203

Separately-laid layers for sound insulation

Official title: {Separately-laid layers for sound insulation}

E04F15/203 (Separately-laid layers for sound insulation) appears on 117 US grants and 162 published applications in this corpus.

Search patents in E04F
Granted patents
117
Published applications
162
Assignees
78
Inventors
224
Latest grant
8 Sep 2026

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E04F 15/203: granted patents and published applications per publication year
YearGranted patentsPublished applications
198820
198950
199010
199100
199200
199300
199400
199500
199600
199700
199800
199910
200000
200110
200225
200332
2004210
200510
200618
200716
200805
200932
201028
201154
201248
201365
201457
2015107
2016510
2017510
2018910
201956
202068
202125
2022617
2023106
202479
202553
202621

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