- 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: 186
10-year publication summary
|
8
|
10
|
22
|
22
|
13
|
14
|
26
|
15
|
9
|
16
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BYD Company Limited | 6488 |
14 |
| Siemens Mobility GmbH | 1875 |
11 |
| Hitachi, Ltd. | 16113 |
9 |
| Mitsubishi Electric Corporation | 48048 |
9 |
| Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft m.b.H. | 437 |
9 |
| Siemens AG | 24020 |
7 |
| Parallel Systems, Inc. | 40 |
7 |
| CRRC Changchun Railway Vehicles Co., Ltd. | 281 |
6 |
| Toshiba Corporation | 12569 |
4 |
| Progress Rail Services Corp | 219 |
4 |
| BNSF Railway Company | 548 |
4 |
| Knoxville Locomotive Works, Inc. | 18 |
4 |
| Stadler Rail AG | 36 |
4 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6177 |
4 |
| CRRC Zhuzhou Locomotive Co., Ltd | 264 |
4 |
| CRRC Ziyang Co., Ltd. | 38 |
4 |
| SunTrain, Inc. | 8 |
4 |
| Alstom Holdings | 630 |
3 |
| Bombardier Transportation GmbH | 572 |
3 |
| Korea Railroad Research Institute | 185 |
3 |
| Other owners | 69 |