- All sections
- E - Fixed constructions
- E01B - Permanent way; permanent-way tools; machines for making railways of all kinds
- E01B 5/08 - Composite rails; Compound rails with dismountable or non-dismountable parts
Patent holdings for IPC class E01B 5/08
Total number of patents in this class: 26
10-year publication summary
|
4
|
2
|
3
|
7
|
2
|
1
|
5
|
6
|
0
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| HF Holding SA | 28 |
3 |
| JFE Steel Corporation | 6067 |
2 |
| Polycorp Ltd. | 66 |
2 |
| Suzhou Truerun Environment Technology Ltd. | 2 |
2 |
| Siemens AG | 24990 |
1 |
| BYD Company Limited | 3700 |
1 |
| Constellium Switzerland AG | 4 |
1 |
| ESAB AB | 297 |
1 |
| Korea Railroad Research Institute | 175 |
1 |
| L.B. Foster Company | 53 |
1 |
| Nippon Steel Corporation | 5649 |
1 |
| VAE GmbH | 29 |
1 |
| Voestalpine BWG GmbH & Co. KG | 14 |
1 |
| Vossloh Cogifer | 14 |
1 |
| edilon sedra GmbH | 8 |
1 |
| Patrick, E.P. & Associates, Inc. | 1 |
1 |
| Vossloh Cogifer (Société anonyme) | 17 |
1 |
| Max Boegl Stiftung & Co. KG | 21 |
1 |
| CHEN, Qixing | 1 |
1 |
| Vitrea AB | 1 |
1 |
| Other owners | 1 |