- All sections
- B - Performing operationstransporting
- B61L - Guiding railway trafficensuring the safety of railway traffic
- B61L 7/08 - Circuitry
Patent holdings for IPC class B61L 7/08
Total number of patents in this class: 34
10-year publication summary
|
4
|
2
|
4
|
2
|
4
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3
|
3
|
2
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BNSF Railway Company | 481 |
9 |
| Siemens AG | 24304 |
6 |
| Siemens Mobility GmbH | 1784 |
3 |
| Siemens Mobility, Inc. | 366 |
2 |
| KB Signaling Inc. | 98 |
2 |
| Alstom Holdings | 619 |
1 |
| Thales Canada Inc. | 105 |
1 |
| Alstom Signaling, Inc. | 22 |
1 |
| Auto Truck Group, LLC | 5 |
1 |
| Pilz GmbH & Co. KG | 320 |
1 |
| Railway Equipment Company, Inc. | 39 |
1 |
| Siemens Schweiz AG | 618 |
1 |
| RailSwitchNet, LLC | 2 |
1 |
| Casco Signal Co., Ltd. | 151 |
1 |
| Ground Transportation Systems Canada Inc. | 15 |
1 |
| Progress Rail Signaling S.p.A. | 29 |
1 |
| ALSTOM Holdings | 5 |
1 |
| Other owners | 0 |