- All sections
- E - Fixed constructions
- E01B - Permanent waypermanent-way toolsmachines for making railways of all kinds
- E01B 9/38 - Indirect fastening of rails by using tie-plates or chairsFastening of rails on the tie-plates or in the chairs
Patent holdings for IPC class E01B 9/38
Total number of patents in this class: 49
10-year publication summary
|
3
|
3
|
8
|
2
|
1
|
4
|
0
|
1
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pandrol Limited | 83 |
7 |
| Vossloh-Werke GmbH | 85 |
5 |
| Amsted Rail Company, Inc. | 413 |
3 |
| L.B. Foster Company | 53 |
3 |
| Progress Rail Services Corp | 217 |
2 |
| B & B Metals, Inc. | 14 |
2 |
| DT - Vyhybkárna a strojírna, a.s. | 12 |
2 |
| Lewis Bolt & Nut Company | 22 |
2 |
| Sika Technology AG | 3019 |
2 |
| Vossloh Cogifer (Société anonyme) | 11 |
2 |
| Voestalpine Railway Systems Nortrak LLC | 53 |
2 |
| Seagate Technology LLC | 3964 |
1 |
| Amsted RPS | 1 |
1 |
| Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft m.b.H. | 437 |
1 |
| Railtech Sufetra, S.A. | 2 |
1 |
| Voestalpine Nortrak Inc. | 3 |
1 |
| Voestalpine VAE GmbH | 32 |
1 |
| Vossloh Cogifer | 13 |
1 |
| voestalpine BWG GmbH | 6 |
1 |
| Yangtze Railroad Materials | 9 |
1 |
| Other owners | 8 |