- All sections
- E - Fixed constructions
- E01B - Permanent waypermanent-way toolsmachines for making railways of all kinds
- E01B 7/14 - Frogs with movable parts
Patent holdings for IPC class E01B 7/14
Total number of patents in this class: 46
10-year publication summary
|
4
|
3
|
3
|
3
|
3
|
0
|
3
|
4
|
4
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BYD Company Limited | 4968 |
7 |
| Loughborough University | 95 |
3 |
| Ve'rtex Sweden AB | 3 |
3 |
| voestalpine Railway Systems GmbH | 24 |
3 |
| voestalpine Turnout Technology Germany GmbH | 12 |
3 |
| Voestalpine Railway Systems Nortrak LLC | 41 |
3 |
| China Railway Shanhaiguan Bridge Group Corporation Limited | 8 |
3 |
| VAE Eisenbahnsysteme GmbH | 10 |
2 |
| VAE GmbH | 19 |
2 |
| Voestalpine VAE GmbH | 32 |
2 |
| Amurrio Ferrocarril y Equipos, S.A | 3 |
2 |
| China Railway Hi-tech Industry Corporation Limited | 15 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8703 |
1 |
| Progress Rail Services Corp | 234 |
1 |
| Balfour Beatty plc | 44 |
1 |
| BUNTMETALL Amstetten Gesellschaft m.b.H. | 4 |
1 |
| Poma | 112 |
1 |
| Petogu AB | 1 |
1 |
| Voestalpine Signaling Sainerholz GmbH | 1 |
1 |
| Voestalpine VAE Railway Systems Pty. Ltd. | 1 |
1 |
| Other owners | 3 |