- All sections
- B - Performing operationstransporting
- B61F - Rail vehicle suspensions, e.g. underframes, bogies or arrangements of wheel axlesrail vehicles for use on tracks of different widthpreventing derailing of rail vehicleswheel guards, obstruction removers or the like for rail vehicles
- B61F 17/02 - Lubrication specially adapted for axle-boxes of rail vehicles with oil
Patent holdings for IPC class B61F 17/02
Total number of patents in this class: 3
10-year publication summary
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0
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0
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0
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0
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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24286 |
1 |
| DB Fernverkehr AG | 4 |
1 |
| CRRC Qishuyan Co., Ltd | 32 |
1 |
| Other owners | 0 |