- All sections
- B - Performing operationstransporting
- B61C - Locomotivesmotor railcars
- B61C 3/00 - Electric locomotives or railcars
Patent holdings for IPC class B61C 3/00
Total number of patents in this class: 374
10-year publication summary
|
36
|
33
|
45
|
35
|
37
|
36
|
24
|
26
|
19
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens Mobility GmbH | 1868 |
32 |
| Toshiba Corporation | 12548 |
26 |
| Bombardier Transportation GmbH | 572 |
23 |
| Mitsubishi Electric Corporation | 47971 |
18 |
| Alstom Holdings | 630 |
15 |
| Siemens AG | 24033 |
12 |
| Progress Rail Locomotive Inc. | 338 |
10 |
| Transportation IP Holdings, LLC | 990 |
8 |
| Fuji Electric Co., Ltd. | 5469 |
7 |
| CRRC Zhuzhou Locomotive Co., Ltd | 264 |
7 |
| BNSF Railway Company | 540 |
6 |
| Canadian Pacific Railway Company | 112 |
6 |
| Stadler Rail AG | 36 |
6 |
| Bright Rail Energy, Inc. | 9 |
5 |
| Soo Line Railroad Company | 11 |
5 |
| Speedinnov | 21 |
5 |
| GE Global Sourcing LLC | 861 |
5 |
| Bright Rail Technologies LLC | 9 |
5 |
| Parallel Systems, Inc. | 40 |
4 |
| Universal City Studios LLC | 2851 |
4 |
| Other owners | 165 |