- 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: 338
10-year publication summary
|
22
|
35
|
35
|
31
|
37
|
22
|
23
|
17
|
19
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Traffix Devices, Inc. | 180 |
13 |
| Industrial Galvanizers Corporation Pty Ltd | 18 |
12 |
| ArcelorMittal | 2490 |
10 |
| NUtech Ventures | 350 |
10 |
| Rite-Hite Holding Corporation | 663 |
7 |
| Caris Guard Rail Co., Ltd. | 10 |
7 |
| Lindsay Transportation Solutions, LLC | 105 |
7 |
| McCue Corporation | 95 |
6 |
| Valmont Highway Technology Limited | 31 |
6 |
| Sicking Safety Systems LLC. | 12 |
6 |
| Energy Absorption Systems, Inc. | 43 |
5 |
| Hierros y Aplanaciones, S.A. (hiasa) | 10 |
5 |
| Hill & Smith Limited | 23 |
5 |
| Holmes Solutions Limited Partnership | 28 |
5 |
| Safety By Design, Inc. | 5 |
5 |
| Tata Steel UK Limited | 166 |
5 |
| RSG International Corp. | 17 |
5 |
| Boplan BVBA | 11 |
4 |
| Neusch Innovations, LP | 48 |
4 |
| Nippon Steel Corporation | 6651 |
4 |
| Other owners | 207 |