- All sections
- B - Performing operations; transporting
- B61C - Locomotives; motor railcars
- B61C 9/52 - Transmission systems in or for locomotives or motor railcars with electric motor propulsion with transmission shafts at an angle to the driving axles
Patent holdings for IPC class B61C 9/52
Total number of patents in this class: 22
10-year publication summary
|
0
|
2
|
2
|
5
|
1
|
0
|
1
|
0
|
0
|
0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Changchun Railway Vehicles Co., Ltd. | 39 |
3 |
| Zapadoceska Univerzita V Plzni | 60 |
3 |
| Siemens Mobility GmbH | 1644 |
3 |
| Wikov MGI A.S. | 3 |
3 |
| Sueddeutsche Gelenkscheibenfabrik GmbH & Co. KG | 36 |
2 |
| Siemens AG | 24565 |
1 |
| Mitsubishi Electric Corporation | 44851 |
1 |
| Alstom Holdings | 510 |
1 |
| ZF Friedrichshafen AG | 7028 |
1 |
| Alstom Transport SA | 26 |
1 |
| Alstom Transport Technologies | 264 |
1 |
| Voith Patent GmbH | 2736 |
1 |
| Jingdong Technology Information Technology Co., Ltd. | 162 |
1 |
| Other owners | 0 |