- All sections
- E - Fixed constructions
- E01B - Permanent way; permanent-way tools; machines 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: 19
10-year publication summary
|
1
|
1
|
1
|
2
|
2
|
0
|
0
|
2
|
4
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cleveland Track Material, Inc. | 20 |
4 |
| Voestalpine VAE GmbH | 34 |
3 |
| Zhejiang Desheng Railway Equipment Co., Ltd | 2 |
2 |
| Siemens AG | 24990 |
1 |
| The Boeing Company | 19843 |
1 |
| Daifuku Co., Ltd. | 860 |
1 |
| DB Netz AG | 22 |
1 |
| Voestalpine Nortrak Inc. | 4 |
1 |
| Voestalpine Weichensysteme GmbH | 8 |
1 |
| Vossloh Cogifer | 14 |
1 |
| Voestalpine Railway Systems Nortrak LLC | 37 |
1 |
| China Railway Baoji Bridge Group Co., Ltd | 8 |
1 |
| China Railway Shanhaiguan Bridge Group Corporation Limited | 5 |
1 |
| Other owners | 0 |