E01C 11/221

Kerbs or like edging members

Official title: {Kerbs or like edging members, e.g. flush kerbs, shoulder retaining means (specially adapted for guiding or warning traffic or for display purposes E01F9/535); Joint members, connecting or load-transfer means specially for kerbs}

E01C11/221 (Kerbs or like edging members) appears on 171 US grants and 151 published applications in this corpus.

Search patents in E01C
Granted patents
171
Published applications
151
Assignees
95
Inventors
288
Latest grant
29 Sep 2026

Filings by year

E01C 11/221: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197700
197820
197900
198010
198100
198220
198310
198420
198510
198630
198720
198820
198930
199020
199130
199250
199330
199430
199510
199620
199710
199830
199920
200060
200130
200264
200311
200436
200574
200636
200758
200835
200928
201073
201145
201202
201314
201471
201564
201658
201732
2018612
2019515
2020115
2021711
202225
2023311
202428
2025138
202655

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

Subgroups

Granted patents