- All sections
- B - Performing operationstransporting
- B61L - Guiding railway trafficensuring the safety of railway traffic
- B61L 17/02 - Details, e.g. indicating degree of track filling
Patent holdings for IPC class B61L 17/02
Total number of patents in this class: 46
10-year publication summary
|
3
|
1
|
0
|
2
|
1
|
3
|
1
|
4
|
13
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BNSF Railway Company | 559 |
12 |
| Canadian National Railway Company | 144 |
6 |
| Casco Signal Ltd. | 84 |
4 |
| Siemens AG | 23913 |
3 |
| Cattron North America, Inc. | 146 |
3 |
| Transportation IP Holdings, LLC | 1018 |
3 |
| GE Global Sourcing LLC | 860 |
2 |
| Apex Rail Automation | 4 |
2 |
| AJ Technologies LLC | 20 |
2 |
| Audi AG | 7584 |
1 |
| BYD Company Limited | 6629 |
1 |
| International Electronic Machines Corporation | 99 |
1 |
| AŽD Praha s.r.o. | 26 |
1 |
| Siemens Mobility GmbH | 1896 |
1 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6115 |
1 |
| Israel Railways Ltd | 2 |
1 |
| Patentverwertung Werner Haag | 1 |
1 |
| Ledonrail Oy | 2 |
1 |
| Other owners | 0 |