- 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 9/28 - Electric propulsion with power supply external to the vehicle using AC induction motors fed from AC supply lines polyphase motors
Patent holdings for IPC class B60L 9/28
Total number of patents in this class: 60
10-year publication summary
|
5
|
8
|
4
|
6
|
4
|
2
|
2
|
3
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 44904 |
8 |
| General Electric Company | 17794 |
7 |
| Siemens AG | 24568 |
6 |
| Bombardier Transportation GmbH | 655 |
4 |
| Korea Advanced Institute of Science and Technology | 4196 |
3 |
| Siemens Mobility GmbH | 1644 |
3 |
| NexGen Control Systems, LLC | 50 |
3 |
| Toshiba Corporation | 12060 |
2 |
| ABB Schweiz AG | 6635 |
2 |
| ABB Technology AG | 1270 |
2 |
| Ecole Centrale de Lyon | 123 |
2 |
| Sandvik Mining and Construction Oy | 787 |
2 |
| Supergrid Institute | 82 |
2 |
| Zhuzhou CRRC Times Electric Co., Ltd. | 117 |
2 |
| Hitachi, Ltd. | 15239 |
1 |
| Hitachi Construction Machinery Co., Ltd. | 2566 |
1 |
| ABB Research Ltd. | 912 |
1 |
| Advanced Rail Energy Storage, LLC | 15 |
1 |
| Central Japan Railway Company | 120 |
1 |
| SEW-EURODRIVE GmbH & Co. KG | 1919 |
1 |
| Other owners | 6 |