- 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: 64
10-year publication summary
|
8
|
6
|
6
|
7
|
4
|
1
|
4
|
3
|
3
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens Mobility, Inc. | 375 |
14 |
| KB Signaling Inc. | 128 |
3 |
| Siemens AG | 23913 |
2 |
| Ford Global Technologies, LLC | 21624 |
2 |
| Siemens Industry, Inc. | 1594 |
2 |
| Miller Felpax Corporation | 20 |
2 |
| Rowan University | 198 |
2 |
| Trainfo Corp. | 3 |
2 |
| Siemens Mobility GmbH | 1896 |
2 |
| Cavnue Technology, LLC | 48 |
2 |
| Qualcomm Incorporated | 93712 |
1 |
| General Electric Company | 13999 |
1 |
| Toyota Motor Corporation | 36327 |
1 |
| Denso Corporation | 25799 |
1 |
| Daimler AG | 2797 |
1 |
| Siemens AG Österreich | 318 |
1 |
| Continental Teves AG & Co. oHG | 1446 |
1 |
| Alstom Holdings | 631 |
1 |
| ZF Friedrichshafen AG | 7268 |
1 |
| Central Signal, LLC | 5 |
1 |
| Other owners | 21 |