- All sections
- B - Performing operationstransporting
- B61H - Brakes or other retarding devices specially adapted for rail vehiclesarrangement or disposition thereof in rail vehicles
- B61H 11/08 - Applications or arrangements of braking or retarding apparatus not otherwise provided forCombinations of apparatus of different kinds or types of hydrostatic, hydrodynamic, or aerodynamic brakes comprising a pump or the like circulating fluid, braking being effected by throttling of the circulation
Patent holdings for IPC class B61H 11/08
Total number of patents in this class: 7
10-year publication summary
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1
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0
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1
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2
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1
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0
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0
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2
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0
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1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| CRRC Qiqihar Rolling Stock Co., Ltd. | 111 |
2 |
| BYD Company Limited | 4958 |
1 |
| CRRC Tangshan Co., Ltd. | 255 |
1 |
| New York Air Brake LLC | 265 |
1 |
| Westinghouse Air Brake Technologies Corporation | 503 |
1 |
| CRRC Zhuzhou Locomotive Co., Ltd | 250 |
1 |
| Other owners | 0 |