- 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: 35
10-year publication summary
|
1
|
4
|
4
|
4
|
2
|
4
|
4
|
3
|
2
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BNSF Railway Company | 416 |
9 |
| Siemens AG | 24525 |
6 |
| Siemens Mobility GmbH | 1711 |
3 |
| Siemens Mobility, Inc. | 349 |
2 |
| KB Signaling Inc. | 100 |
2 |
| Alstom Holdings | 609 |
1 |
| Thales Canada Inc. | 105 |
1 |
| Auto Truck Group, LLC | 5 |
1 |
| Pilz GmbH & Co. KG | 321 |
1 |
| Railway Equipment Company, Inc. | 35 |
1 |
| Siemens Schweiz AG | 596 |
1 |
| Vossloh Signaling USA, Inc. | 12 |
1 |
| Alstom Holdings | 20 |
1 |
| RailSwitchNet, LLC | 2 |
1 |
| Casco Signal Co., Ltd. | 146 |
1 |
| Ground Transportation Systems Canada Inc. | 16 |
1 |
| Progress Rail Signaling S.p.A. | 29 |
1 |
| ALSTOM Holdings | 5 |
1 |
| Other owners | 0 |