- 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 11/14 - 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: 22
10-year publication summary
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0
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1
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2
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1
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3
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5
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4
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1
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1
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0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
2 |
| Bombardier Transportation GmbH | 682 |
2 |
| CRRC Qingdao Sifang Rolling Stock Research Institute Co., Ltd. | 84 |
2 |
| CRRC Tangshan Co., Ltd. | 239 |
2 |
| Qingdao SRI Technology Co., Ltd. | 18 |
2 |
| Siemens AG Österreich | 316 |
1 |
| BYD Company Limited | 3700 |
1 |
| Central Japan Railway Company | 127 |
1 |
| FAIVELEY TRANSPORT ITALIA S. p. A. | 3 |
1 |
| Faiveley Transport Italia S.p.A. | 131 |
1 |
| KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH | 578 |
1 |
| Nabtesco Corporation | 871 |
1 |
| Wabtec Holding Corp. | 407 |
1 |
| Mitsubishi Heavy Industries Engineering, Ltd. | 207 |
1 |
| CRRC Zhuzhou Locomotive Co., Ltd | 215 |
1 |
| CRRC Changchun Railway Vehicles Co., Ltd. | 146 |
1 |
| Krri | 4 |
1 |
| Other owners | 0 |