E04F 21/085

For filling building cavity walls with insulating materials

Official title: {for filling building cavity walls with insulating materials}

E04F21/085 (For filling building cavity walls with insulating materials) appears on 177 US grants and 173 published applications in this corpus.

Search patents in E04F
Granted patents
177
Published applications
173
Assignees
44
Inventors
255
Latest grant
6 Jan 2026

Filings by year

E04F 21/085: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197700
197810
197920
198020
198110
198200
198320
198410
198520
198600
198720
198820
198900
199000
199100
199230
199310
199410
199530
199610
199730
199820
199950
200070
200131
200231
200357
200463
200507
2006012
200749
200828
200976
2010714
20111113
2012123
201355
201471
201523
201627
201726
2018212
201986
20201510
202145
202274
2023410
2024107
202569
202614

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

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