- All sections
- B - Performing operations; transporting
- B61C - Locomotives; motor railcars
- B61C 3/00 - Electric locomotives or railcars
Patent holdings for IPC class B61C 3/00
Total number of patents in this class: 348
10-year publication summary
|
16
|
38
|
36
|
33
|
45
|
35
|
37
|
35
|
20
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens Mobility GmbH | 1550 |
31 |
| Bombardier Transportation GmbH | 682 |
26 |
| Toshiba Corporation | 12017 |
23 |
| Mitsubishi Electric Corporation | 43934 |
13 |
| Siemens AG | 24990 |
12 |
| Alstom Transport Technologies | 566 |
11 |
| Canadian Pacific Railway Company | 85 |
9 |
| Progress Rail Locomotive Inc. | 304 |
9 |
| Fuji Electric Co., Ltd. | 4750 |
7 |
| CRRC Zhuzhou Locomotive Co., Ltd | 215 |
7 |
| Transportation IP Holdings, LLC | 843 |
7 |
| BNSF Railway Company | 328 |
6 |
| GE Global Sourcing LLC | 944 |
6 |
| Bright Rail Energy, Inc. | 9 |
5 |
| Soo Line Railroad Company | 11 |
5 |
| Stadler Rail AG | 32 |
5 |
| Speedinnov | 21 |
5 |
| Bright Rail Technologies LLC | 9 |
5 |
| Universal City Studios LLC | 2218 |
4 |
| Hitachi, Ltd. | 16452 |
3 |
| Other owners | 149 |