Patent holdings for IPC class E01F 15/04

Total number of patents in this class: 321

10-year publication summary

28
23
40
37
37
44
25
27
17
9
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
Traffix Devices, Inc.
182
11
ArcelorMittal
2134
10
NUtech Ventures
329
7
Caris Guard Rail Co., Ltd.
10
7
Hierros y Aplanaciones, S.A. (hiasa)
11
6
Hill & Smith Limited
23
6
Rite-Hite Holding Corporation
641
6
Lindsay Transportation Solutions, LLC
81
6
Energy Absorption Systems, Inc.
48
5
Holmes Solutions Limited Partnership
29
5
McCue Corporation
91
5
Safety By Design, Inc.
5
5
Valmont Highway Technology Limited
31
5
Sicking Safety Systems LLC.
10
5
Boplan BVBA
11
4
Neusch Innovations, LP
46
4
Nucor Corporation
414
4
Safe Direction Pty Ltd
6
4
The Texas a & M University System
1652
4
Other owners 200