Patent holdings for IPC class E01F 15/04

Total number of patents in this class: 324

10-year publication summary

28
23
40
37
37
44
25
26
17
1
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Industrial Galvanizers Corporation Pty Ltd
19
12
ArcelorMittal
2064
10
Traffix Devices, Inc.
182
10
Hierros y Aplanaciones, S.A. (hiasa)
12
7
Caris Guard Rail Co., Ltd.
10
7
Hill & Smith Limited
24
6
NUtech Ventures
317
6
Rite-Hite Holding Corporation
652
6
Valmont Highway Technology Limited
33
6
Lindsay Transportation Solutions, LLC
76
6
Energy Absorption Systems, Inc.
48
5
Holmes Solutions Limited Partnership
30
5
IMPERO Pasquale
8
5
McCue Corporation
90
5
Safety By Design, Inc.
5
5
The Texas a & M University System
1597
5
Sicking Safety Systems LLC.
9
5
Boplan BVBA
14
4
Neusch Innovations, LP
46
4
Nucor Corporation
419
4
Other owners 201