- 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: 41
10-year publication summary
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1
|
1
|
1
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0
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2
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1
|
3
|
1
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3
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10
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BNSF Railway Company | 474 |
8 |
| Canadian National Railway Company | 156 |
6 |
| Casco Signal Ltd. | 60 |
4 |
| Siemens AG | 24337 |
3 |
| Cattron North America, Inc. | 139 |
3 |
| The Island Radar Company | 15 |
2 |
| GE Global Sourcing LLC | 888 |
2 |
| Transportation IP Holdings, LLC | 944 |
2 |
| General Electric Company | 13861 |
1 |
| Amsted Rail Company, Inc. | 432 |
1 |
| Audi AG | 7398 |
1 |
| BYD Company Limited | 5412 |
1 |
| International Electronic Machines Corporation | 104 |
1 |
| AŽD Praha s.r.o. | 28 |
1 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6117 |
1 |
| Israel Railways Ltd | 2 |
1 |
| Patentverwertung Werner Haag | 1 |
1 |
| Ledonrail Oy | 2 |
1 |
| Apex Rail Automation | 2 |
1 |
| Other owners | 0 |