- All sections
- E - Fixed constructions
- E01B - Permanent way; permanent-way tools; machines for making railways of all kinds
- E01B 9/38 - Indirect fastening of rails by using tie-plates or chairs; Fastening 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: 50
10-year publication summary
|
5
|
3
|
3
|
3
|
8
|
2
|
1
|
3
|
0
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pandrol Limited | 94 |
8 |
| Vossloh-Werke GmbH | 96 |
6 |
| Progress Rail Services Corp | 225 |
3 |
| Amsted Rail Company, Inc. | 432 |
3 |
| B & B Metals, Inc. | 51 |
2 |
| DT - Vyhybkárna a strojírna, a.s. | 12 |
2 |
| L.B. Foster Company | 53 |
2 |
| Lewis Bolt & Nut Company | 22 |
2 |
| Sika Technology AG | 2650 |
2 |
| Vossloh Cogifer (Société anonyme) | 17 |
2 |
| Voestalpine Railway Systems Nortrak LLC | 37 |
2 |
| Seagate Technology LLC | 4228 |
1 |
| Amsted RPS | 1 |
1 |
| Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft m.b.H. | 385 |
1 |
| Railtech Sufetra, S.A. | 2 |
1 |
| Schwihag AG | 34 |
1 |
| Voestalpine Nortrak Inc. | 4 |
1 |
| Voestalpine VAE GmbH | 34 |
1 |
| Vossloh Cogifer | 14 |
1 |
| voestalpine BWG GmbH | 6 |
1 |
| Other owners | 7 |