- 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
|
1
|
2
|
2
|
0
|
0
|
2
|
4
|
3
|
0
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Cleveland Track Material, Inc. | 20 |
4 |
Voestalpine VAE GmbH | 32 |
3 |
Vossloh Cogifer | 16 |
2 |
Zhejiang Desheng Railway Equipment Co., Ltd | 2 |
2 |
China Railway Baoji Bridge Group Co., Ltd | 11 |
2 |
Siemens AG | 24518 |
1 |
The Boeing Company | 20048 |
1 |
Daifuku Co., Ltd. | 983 |
1 |
DB Netz AG | 20 |
1 |
Voestalpine Nortrak Inc. | 3 |
1 |
Voestalpine Weichensysteme GmbH | 8 |
1 |
Voestalpine Railway Systems Nortrak LLC | 41 |
1 |
China Railway Shanhaiguan Bridge Group Corporation Limited | 8 |
1 |
Other owners | 0 |