- All sections
- B - Performing operationstransporting
- B61C - Locomotivesmotor railcars
- B61C 9/38 - Transmission systems in or for locomotives or motor railcars with electric motor propulsion
Patent holdings for IPC class B61C 9/38
Total number of patents in this class: 91
10-year publication summary
|
11
|
7
|
5
|
8
|
9
|
13
|
13
|
4
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Falcon Power, LLC | 30 |
10 |
| Siemens AG | 24562 |
5 |
| Bombardier Transportation GmbH | 648 |
4 |
| Toshiba Corporation | 12261 |
3 |
| ZF Friedrichshafen AG | 7103 |
3 |
| CRRC Qingdao Sifang Co., Ltd. | 377 |
3 |
| Traktionssysteme Austria GmbH | 11 |
3 |
| Siemens Mobility GmbH | 1697 |
3 |
| Honda Motor Co., Ltd. | 25122 |
2 |
| Mitsubishi Electric Corporation | 45646 |
2 |
| Hamilton Sundstrand Corporation | 4823 |
2 |
| NTN Corporation | 4979 |
2 |
| CRRC Tangshan Co., Ltd. | 254 |
2 |
| Nippon Steel & Sumitomo Metal Corporation | 1987 |
2 |
| Zhuzhou Times New Material Technology Co., Ltd. | 64 |
2 |
| CRRC Qishuyan Institute Co., Ltd. | 54 |
2 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3049 |
2 |
| CRRC Zhuzhou Locomotive Co., Ltd | 247 |
2 |
| CRRC Ziyang Co., Ltd. | 33 |
2 |
| Toyota Motor Corporation | 31237 |
1 |
| Other owners | 34 |