- All sections
- B - Performing operationstransporting
- B60L - Propulsion of electrically-propelled vehiclessupplying electric power for auxiliary equipment of electrically-propelled vehicleselectrodynamic brake systems for vehicles in generalmagnetic suspension or levitation for vehiclesmonitoring operating variables of electrically-propelled vehicleselectric safety devices for electrically-propelled vehicles
- B60L 5/20 - Details of contact bow
Patent holdings for IPC class B60L 5/20
Total number of patents in this class: 95
10-year publication summary
|
4
|
5
|
3
|
12
|
8
|
11
|
6
|
10
|
8
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens Mobility GmbH | 1762 |
15 |
| Hoffmann & Co., Elektrokohle AG | 12 |
6 |
| Mersen France Amiens SAS | 39 |
6 |
| Faiveley Transport Tours | 70 |
5 |
| CRRC Zhuzhou Locomotive Co., Ltd | 262 |
5 |
| Schunk Transit Systems GmbH | 12 |
5 |
| PanTrac GmbH | 9 |
4 |
| Schunk Carbon Technology GmbH | 37 |
3 |
| Siemens AG | 24342 |
2 |
| Alstom Holdings | 623 |
2 |
| Bombardier Transportation GmbH | 642 |
2 |
| City University | 37 |
2 |
| CRRC Qingdao Sifang Co., Ltd. | 387 |
2 |
| Hottinger Baldwin Messtechnik GmbH | 49 |
2 |
| City, University of London | 29 |
2 |
| CRRC Changchun Railway Vehicles Co., Ltd. | 263 |
2 |
| Schunk Transit Systems GmbH | 75 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8861 |
1 |
| Panasonic Corporation | 19976 |
1 |
| Mitsubishi Electric Corporation | 46814 |
1 |
| Other owners | 25 |