- All sections
- B - Performing operationstransporting
- B60M - Power supply lines, or devices along rails, for electrically-propelled vehicles
- B60M 3/04 - Arrangements for cutting-in and -out of individual track sections
Patent holdings for IPC class B60M 3/04
Total number of patents in this class: 81
10-year publication summary
|
4
|
7
|
4
|
5
|
8
|
7
|
5
|
4
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bombardier Transportation GmbH | 603 |
9 |
| IPT Group B.V. | 70 |
5 |
| Hawker Siddeley Switchgear Limited | 9 |
4 |
| CRRC Zhuzhou Locomotive Co., Ltd | 264 |
4 |
| Mitsubishi Electric Corporation | 47511 |
3 |
| Tsinghua University | 6101 |
3 |
| Southwest Jiaotong University | 185 |
3 |
| CRRC Dalian R&D Co., Ltd. | 46 |
3 |
| Crsc Research & Design Institute Group Co., Ltd. | 158 |
3 |
| Siemens AG | 24250 |
2 |
| Alstom Holdings | 623 |
2 |
| Beijing Jiaotong University | 169 |
2 |
| Here Global B.V. | 2245 |
2 |
| Meidensha Corporation | 923 |
2 |
| SEW-EURODRIVE GmbH & Co. KG | 2000 |
2 |
| CRRC Zhuzhou Electric Locomotive Research Institute Co., Ltd. | 61 |
2 |
| Zhuzhou CRRC Times Electric Co., Ltd. | 127 |
2 |
| Siemens Mobility GmbH | 1837 |
2 |
| Elonroad AB | 28 |
2 |
| China Railway Electrification Bureau (Group) Co., Ltd. | 6 |
2 |
| Other owners | 22 |