- All sections
- E - Fixed constructions
- E01B - Permanent waypermanent-way toolsmachines for making railways of all kinds
- E01B 7/10 - Frogs
Patent holdings for IPC class E01B 7/10
Total number of patents in this class: 21
10-year publication summary
|
1
|
2
|
2
|
0
|
0
|
2
|
4
|
3
|
0
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cleveland Track Material, Inc. | 19 |
4 |
| Voestalpine VAE GmbH | 32 |
3 |
| China Railway Baoji Bridge Group Co., Ltd | 13 |
3 |
| Vossloh Cogifer | 13 |
2 |
| Zhejiang Desheng Railway Equipment Co., Ltd | 2 |
2 |
| The Boeing Company | 20196 |
1 |
| Daifuku Co., Ltd. | 1098 |
1 |
| DB Netz AG | 15 |
1 |
| Voestalpine Nortrak Inc. | 3 |
1 |
| Voestalpine Weichensysteme GmbH | 8 |
1 |
| Voestalpine Railway Systems Nortrak LLC | 53 |
1 |
| China Railway Shanhaiguan Bridge Group Corporation Limited | 9 |
1 |
| Other owners | 0 |