- All sections
- B - Performing operationstransporting
- B61L - Guiding railway trafficensuring the safety of railway traffic
- B61L 21/06 - Vehicle-on-line indicationMonitoring locking and release of the route
Patent holdings for IPC class B61L 21/06
Total number of patents in this class: 18
10-year publication summary
|
1
|
2
|
2
|
2
|
2
|
1
|
2
|
0
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24568 |
4 |
| Technological Resources Pty. Limited | 448 |
2 |
| Thales Management & Services Deutschland GmbH | 62 |
2 |
| AŽD Praha s.r.o. | 29 |
2 |
| Siemens Mobility GmbH | 1701 |
2 |
| Mitsubishi Electric Corporation | 45752 |
1 |
| BNSF Railway Company | 411 |
1 |
| East Japan Railway Company | 65 |
1 |
| Siemens Rail Automation Holdings Limited | 10 |
1 |
| Progress Rail Locomotive Inc. | 317 |
1 |
| Hitachi Rail GTS Canada Inc. | 66 |
1 |
| Other owners | 0 |