- 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 11/10 - Aerodynamic brakes with control flaps, e.g. spoilers, attached to the vehicles
Patent holdings for IPC class B61H 11/10
Total number of patents in this class: 26
10-year publication summary
0
|
1
|
0
|
1
|
3
|
6
|
2
|
4
|
6
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
CRRC Qingdao Sifang Rolling Stock Research Institute Co., Ltd. | 84 |
6 |
CRRC Tangshan Co., Ltd. | 239 |
3 |
CRRC Braking System Co., Ltd. | 6 |
3 |
Qingdao SRI Technology Co., Ltd. | 18 |
2 |
CRRC Shandong Co., Ltd. | 19 |
2 |
Meishan CRRC Brake Science & Technology Co., Ltd. | 20 |
2 |
CRRC Zhuzhou Locomotive Co., Ltd | 215 |
2 |
CRRC Changchun Railway Vehicles Co., Ltd. | 146 |
2 |
Krri | 4 |
2 |
Qingdao Sifang Rolling Stock Research Institute Co., Ltd. | 18 |
1 |
Wabtec Holding Corp. | 407 |
1 |
Other owners | 0 |