- All sections
- B - Performing operations; transporting
- B61H - Brakes or other retarding devices specially adapted for rail vehicles; arrangement or disposition thereof in rail vehicles
- B61H 11/06 - Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations 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: 39
10-year publication summary
|
3
|
2
|
2
|
1
|
6
|
2
|
4
|
8
|
3
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| CRRC Tangshan Co., Ltd. | 239 |
4 |
| CRRC Qingdao Sifang Rolling Stock Research Institute Co., Ltd. | 84 |
3 |
| Qingdao SRI Technology Co., Ltd. | 18 |
3 |
| CRRC Zhuzhou Locomotive Co., Ltd | 215 |
3 |
| CRRC Changchun Railway Vehicles Co., Ltd. | 146 |
3 |
| Mitsubishi Electric Corporation | 43934 |
2 |
| Ireco, LLC | 26 |
2 |
| Nabtesco Corporation | 871 |
2 |
| New York Air Brake LLC | 261 |
2 |
| Wabtec Holding Corp. | 407 |
2 |
| BYD Company Limited | 3700 |
1 |
| CRRC Qingdao Sifang Co., Ltd. | 354 |
1 |
| Railway Technical Research Institute | 38 |
1 |
| Voith Turbo GmbH & Co. KG | 51 |
1 |
| CRRC Shandong Co., Ltd. | 19 |
1 |
| Meishan CRRC Brake Science & Technology Co., Ltd. | 20 |
1 |
| CRRC Qishuyan Institute Co., Ltd. | 54 |
1 |
| Knorr-Bremse Systems For Rail Vehicles (Suzhou) Co ., Ltd. | 2 |
1 |
| CRRC Changzhou Tech-mark Industrial Co., Ltd. | 23 |
1 |
| CRRC Xi'an Co., Ltd | 13 |
1 |
| Other owners | 3 |