E04D 11/002

Consisting of two or more layers, at least one of the layers

Official title: {consisting of two or more layers, at least one of the layers permitting turfing of the roof}

E04D11/002 (Consisting of two or more layers, at least one of the layers) appears on 92 US grants and 123 published applications in this corpus.

Search patents in E04D
Granted patents
92
Published applications
123
Assignees
73
Inventors
196
Latest grant
28 Jul 2026

Filings by year

E04D 11/002: granted patents and published applications per publication year
YearGranted patentsPublished applications
198510
198610
198700
198800
198900
199010
199100
199200
199310
199430
199530
199600
199720
199820
199940
200020
200110
200200
200320
200411
200512
200601
200713
200812
200924
201016
2011311
2012410
201377
201468
201536
201645
2017911
201874
201929
202043
202115
202202
202312
2024412
202535
202644

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