- All sections
- B - Performing operationstransporting
- B61L - Guiding railway trafficensuring the safety of railway traffic
- B61L 29/24 - Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning
Patent holdings for IPC class B61L 29/24
Total number of patents in this class: 60
10-year publication summary
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5
|
8
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6
|
6
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7
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4
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1
|
4
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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
|
|---|---|---|
| Siemens Mobility, Inc. | 346 |
12 |
| KB Signaling Inc. | 100 |
3 |
| Siemens AG | 24562 |
2 |
| Ford Global Technologies, LLC | 20367 |
2 |
| Daimler AG | 3404 |
2 |
| Siemens Industry, Inc. | 1441 |
2 |
| Miller Felpax Corporation | 21 |
2 |
| Trainfo Corp. | 3 |
2 |
| Siemens Mobility GmbH | 1697 |
2 |
| Cavnue Technology, LLC | 44 |
2 |
| Qualcomm Incorporated | 84084 |
1 |
| General Electric Company | 17062 |
1 |
| Toyota Motor Corporation | 31237 |
1 |
| Denso Corporation | 24058 |
1 |
| Siemens AG Österreich | 316 |
1 |
| Continental Teves AG & Co. oHG | 1606 |
1 |
| Alstom Holdings | 604 |
1 |
| ZF Friedrichshafen AG | 7103 |
1 |
| Central Signal, LLC | 5 |
1 |
| GateArm Technologies, Inc. | 5 |
1 |
| Other owners | 19 |