- All sections
- B - Performing operations; transporting
- B61L - Guiding railway traffic; ensuring the safety of railway traffic
- B61L 5/10 - Locking mechanisms for points; Means for indicating the setting of points
Patent holdings for IPC class B61L 5/10
Total number of patents in this class: 117
10-year publication summary
|
6
|
11
|
11
|
17
|
16
|
10
|
2
|
7
|
11
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Rail STS USA, Inc. | 21 |
7 |
| BYD Company Limited | 3700 |
6 |
| Westinghouse Air Brake Technologies Corporation | 521 |
6 |
| Vossloh Signaling USA, Inc. | 14 |
5 |
| Siemens Mobility GmbH | 1550 |
5 |
| Siemens AG | 24990 |
4 |
| Alstom Transport Technologies | 566 |
4 |
| Ansaldo STS USA, Inc. | 45 |
4 |
| Loughborough University | 86 |
4 |
| Voestalpine VAE GmbH | 34 |
4 |
| Jez Sistemas Ferroviarios, S.L. | 7 |
4 |
| Frauscher Sensortechnik GmbH | 50 |
4 |
| General Electric Company | 18133 |
3 |
| Siemens Schweiz AG | 580 |
3 |
| ARC Infrastructure Pty Ltd | 3 |
3 |
| Crsc (Xi'an) Rail Transit Industry Group Co., Ltd. | 25 |
3 |
| Xi'an Railway Signal Co., Ltd. | 12 |
3 |
| Kyosan Electric Mfg. Co., Ltd. | 167 |
2 |
| Vossloh Cogifer | 14 |
2 |
| XI ' an National Railway Equipment Research of Signal & Communication Co., Ltd | 2 |
2 |
| Other owners | 39 |