- All sections
- B - Performing operationstransporting
- B61H - Brakes or other retarding devices specially adapted for rail vehiclesarrangement or disposition thereof in rail vehicles
- B61H 11/06 - 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
Patent holdings for IPC class B61H 11/06
Total number of patents in this class: 41
10-year publication summary
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2
|
2
|
1
|
6
|
2
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4
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8
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3
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2
|
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 Tangshan Co., Ltd. | 254 |
4 |
| CRRC Qingdao Sifang Rolling Stock Research Institute Co., Ltd. | 85 |
3 |
| Qingdao SRI Technology Co., Ltd. | 18 |
3 |
| CRRC Zhuzhou Locomotive Co., Ltd | 248 |
3 |
| CRRC Changchun Railway Vehicles Co., Ltd. | 235 |
3 |
| Mitsubishi Electric Corporation | 45693 |
2 |
| Ireco, LLC | 26 |
2 |
| Nabtesco Corporation | 886 |
2 |
| New York Air Brake LLC | 265 |
2 |
| Wabtec Holding Corp. | 370 |
2 |
| CRRC Dalian Co., Ltd. | 59 |
2 |
| CRRC Braking System Co., Ltd. | 12 |
2 |
| BYD Company Limited | 4742 |
1 |
| CRRC Qingdao Sifang Co., Ltd. | 378 |
1 |
| Railway Technical Research Institute | 39 |
1 |
| CRRC Shandong Co., Ltd. | 29 |
1 |
| Meishan CRRC Brake Science & Technology Co., Ltd. | 26 |
1 |
| CRRC Qishuyan Institute Co., Ltd. | 54 |
1 |
| Knorr-Bremse Systems For Rail Vehicles (Suzhou) Co ., Ltd. | 6 |
1 |
| CRRC Changzhou Tech-mark Industrial Co., Ltd. | 23 |
1 |
| Other owners | 3 |