- All sections
- B - Performing operationstransporting
- B61L - Guiding railway trafficensuring the safety of railway traffic
- B61L 5/04 - Fluid-pressure devices for operating points or scotch-blocks
Patent holdings for IPC class B61L 5/04
Total number of patents in this class: 33
10-year publication summary
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0
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0
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1
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3
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5
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2
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2
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2
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2
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BYD Company Limited | 5197 |
3 |
| DT - Vyhybkárna a strojírna, a.s. | 12 |
2 |
| Taiyuan University of Technology | 263 |
2 |
| Vossloh Signaling USA, Inc. | 10 |
2 |
| Voestalpine Railway Systems Nortrak LLC | 43 |
2 |
| BEAMAN, Mona | 2 |
2 |
| Advanced Rail Systems, LLC | 9 |
2 |
| General Electric Company | 13858 |
1 |
| Alstom Holdings | 612 |
1 |
| Bombardier Transportation GmbH | 643 |
1 |
| SPX International Limited | 1 |
1 |
| Tien Heng Machinery Co., Ltd. | 6 |
1 |
| Voestalpine VAE GmbH | 32 |
1 |
| Wegh Group S.p.A. | 10 |
1 |
| Siemens Mobility GmbH | 1750 |
1 |
| Beijing National Railway Research & Design Institute of Signal & Communication Group Co., Ltd. | 12 |
1 |
| Crsc Research & Design Institute Group Co., Ltd. | 134 |
1 |
| Voestalpine Signaling Sainerholz GmbH | 2 |
1 |
| Voestalpine VAE Railway Systems Pty. Ltd. | 1 |
1 |
| Zhongjian Air Train (Beijing) Technology Co., Ltd. | 2 |
1 |
| Other owners | 5 |