E04D 13/1681

Insulating of pre-existing roofs with or without ventilating arrangements

Official title: {Insulating of pre-existing roofs with or without ventilating arrangements}

E04D13/1681 (Insulating of pre-existing roofs with or without ventilating arrangements) appears on 46 US grants and 27 published applications in this corpus.

Search patents in E04D
Granted patents
46
Published applications
27
Assignees
16
Inventors
58
Latest grant
21 Jul 2026

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E04D 13/1681: granted patents and published applications per publication year
YearGranted patentsPublished applications
198410
198500
198620
198730
198820
198910
199000
199110
199210
199300
199410
199500
199600
199730
199830
199910
200000
200110
200211
200302
200400
200542
200600
200700
200802
200900
201001
201121
201214
201310
201441
201510
201612
201720
201811
201901
202033
202112
202200
202321
202401
202501
202621

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