E04B 9/303

For flexible tensioned membranes

Official title: {for flexible tensioned membranes}

E04B9/303 (For flexible tensioned membranes) appears on 112 US grants and 85 published applications in this corpus.

Search patents in E04B
Granted patents
112
Published applications
85
Assignees
43
Inventors
113
Latest grant
5 May 2026

Filings by year

E04B 9/303: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197810
197920
198020
198100
198210
198320
198420
198500
198600
198720
198810
198920
199010
199140
199210
199330
199410
199530
199620
199730
199810
199920
200020
200151
200221
200302
200413
200536
200642
200702
200813
200913
201026
201112
201216
201331
201453
2015116
201645
201769
201811
2019104
202045
202124
202211
202326
202411
202510
202612

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

Subgroups

Granted patents