- All sections
- E - Fixed constructions
- E01F - Additional work, such as equipping roads or the construction of platforms, helicopter landing stages, signs, snow fences, or the like
- E01F 15/04 - Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips
Patent holdings for IPC class E01F 15/04
Total number of patents in this class: 350
10-year publication summary
|
23
|
40
|
37
|
37
|
44
|
25
|
28
|
20
|
23
|
21
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Traffix Devices, Inc. | 176 |
14 |
| Industrial Galvanizers Corporation Pty Ltd | 17 |
12 |
| ArcelorMittal | 2749 |
10 |
| NUtech Ventures | 369 |
10 |
| Rite-Hite Holding Corporation | 682 |
9 |
| McCue Corporation | 98 |
7 |
| Caris Guard Rail Co., Ltd. | 10 |
7 |
| Lindsay Transportation Solutions, LLC | 114 |
7 |
| Nippon Steel Corporation | 7050 |
6 |
| Valmont Highway Technology Limited | 31 |
6 |
| Sicking Safety Systems LLC. | 11 |
6 |
| RSG International Corp. | 18 |
6 |
| Energy Absorption Systems, Inc. | 43 |
5 |
| Hierros y Aplanaciones, S.A. (hiasa) | 10 |
5 |
| Hill & Smith Limited | 22 |
5 |
| Holmes Solutions Limited Partnership | 27 |
5 |
| Safety By Design, Inc. | 5 |
5 |
| Tata Steel UK Limited | 166 |
5 |
| Margaritelli Ferroviaria S.p.A. | 5 |
5 |
| Boplan BVBA | 11 |
4 |
| Other owners | 211 |