- All sections
- B - Performing operationstransporting
- B61C - Locomotivesmotor railcars
- B61C 3/02 - Electric locomotives or railcars with electric accumulators
Patent holdings for IPC class B61C 3/02
Total number of patents in this class: 163
10-year publication summary
|
8
|
8
|
10
|
22
|
22
|
13
|
13
|
26
|
14
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BYD Company Limited | 4713 |
14 |
| Mitsubishi Electric Corporation | 45646 |
10 |
| Hitachi, Ltd. | 15383 |
8 |
| Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft m.b.H. | 413 |
8 |
| Siemens Mobility GmbH | 1697 |
8 |
| Siemens AG | 24562 |
7 |
| Parallel Systems, Inc. | 33 |
6 |
| Toshiba Infrastructure Systems & Solutions Corporation | 1047 |
5 |
| Toshiba Corporation | 12261 |
4 |
| Progress Rail Services Corp | 234 |
4 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6273 |
4 |
| CRRC Zhuzhou Locomotive Co., Ltd | 247 |
4 |
| CRRC Changchun Railway Vehicles Co., Ltd. | 232 |
4 |
| CRRC Ziyang Co., Ltd. | 33 |
4 |
| SunTrain, Inc. | 9 |
4 |
| Alstom Holdings | 604 |
3 |
| BNSF Railway Company | 407 |
3 |
| Bombardier Transportation GmbH | 648 |
3 |
| Stadler Rail AG | 35 |
3 |
| Mate GmbH | 20 |
3 |
| Other owners | 54 |