E04B 1/34

Extraordinary structures

Official title: Extraordinary structures, e.g. with suspended or cantilever parts supported by masts or tower-like structures enclosing elevators or stairs; Features relating to the elastic stability (E04B1/342, E04B1/343, E04B1/348 take precedence; for floors E04B5/43; buildings for special purposes, e.g. withstanding earthquake, E04H)

E04B1/34 (Extraordinary structures) appears on 173 US grants and 160 published applications in this corpus.

Search patents in E04B
Granted patents
173
Published applications
160
Assignees
83
Inventors
321
Latest grant
25 Aug 2026

Filings by year

E04B 1/34: granted patents and published applications per publication year
YearGranted patentsPublished applications
197650
197720
197840
197950
198020
198130
198210
198300
198410
198520
198630
198760
198810
198930
199020
199140
199210
199320
199410
199530
199620
199710
199810
199900
200010
200140
200221
200313
200408
200524
200633
200713
200814
200917
2010411
201135
201215
201336
201488
2015811
201645
201778
2018514
201986
20201115
2021914
202299
2023121
202446
202533
202630

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

Subgroups

Granted patents