- All sections
- B - Performing operationstransporting
- B61H - Brakes or other retarding devices specially adapted for rail vehiclesarrangement or disposition thereof in rail vehicles
- B61H 11/14 - Combinations of different types of brakes, e.g. brake blocks acting on wheel-rim combined with disc brakes
Patent holdings for IPC class B61H 11/14
Total number of patents in this class: 21
10-year publication summary
|
1
|
2
|
1
|
3
|
5
|
4
|
1
|
1
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 45811 |
2 |
| Bombardier Transportation GmbH | 647 |
2 |
| CRRC Qingdao Sifang Rolling Stock Research Institute Co., Ltd. | 85 |
2 |
| CRRC Tangshan Co., Ltd. | 254 |
2 |
| Qingdao SRI Technology Co., Ltd. | 18 |
2 |
| Siemens AG Österreich | 315 |
1 |
| BYD Company Limited | 4804 |
1 |
| Central Japan Railway Company | 114 |
1 |
| FAIVELEY TRANSPORT ITALIA S. p. A. | 4 |
1 |
| Faiveley Transport Italia S.p.A. | 155 |
1 |
| KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH | 612 |
1 |
| Nabtesco Corporation | 888 |
1 |
| Wabtec Holding Corp. | 369 |
1 |
| CRRC Zhuzhou Locomotive Co., Ltd | 250 |
1 |
| CRRC Changchun Railway Vehicles Co., Ltd. | 236 |
1 |
| Krri | 4 |
1 |
| Other owners | 0 |