- All sections
- B - Performing operationstransporting
- B61G - Couplings specially adapted for railway vehiclesdraught or buffing appliances specially adapted for railway vehicles
- B61G 3/14 - Control devices, e.g. for uncoupling
Patent holdings for IPC class B61G 3/14
Total number of patents in this class: 4
10-year publication summary
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0
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1
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0
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0
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1
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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
|
|---|---|---|
| CRRC Qingdao Sifang Rolling Stock Research Institute Co., Ltd. | 83 |
1 |
| Stanrail Corporation | 1 |
1 |
| Trackmobile LLC | 31 |
1 |
| Voith Patent GmbH | 2742 |
1 |
| Other owners | 0 |