- All sections
- B - Performing operationstransporting
- B61L - Guiding railway trafficensuring the safety of railway traffic
- B61L 9/04 - Illumination specially adapted for points, form signals, or gates electric
Patent holdings for IPC class B61L 9/04
Total number of patents in this class: 30
10-year publication summary
|
1
|
5
|
6
|
3
|
7
|
1
|
0
|
4
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens Mobility, Inc. | 349 |
5 |
| Tetra Tech, Inc. | 111 |
3 |
| M.B. Broekhuis Beheer B.V. | 4 |
3 |
| Mrnp Holding B.V. | 4 |
3 |
| Siemens AG | 24525 |
2 |
| Inc. Railway Equipment Company | 4 |
2 |
| BNSF Railway Company | 416 |
1 |
| Railserve, Inc. | 42 |
1 |
| Railway Equipment Company, Inc. | 35 |
1 |
| Unipart Rail Limited | 24 |
1 |
| AŽD Praha s.r.o. | 29 |
1 |
| Eyedog Israel Ltd. | 2 |
1 |
| Protran Technology LLC | 10 |
1 |
| Focused Technology Solutions, Inc. | 17 |
1 |
| Current Lighting Solutions, LLC f/k/a GE Lighting Solutions, LLC | 400 |
1 |
| RailSwitchNet, LLC | 2 |
1 |
| Ledonrail Oy | 2 |
1 |
| KB Signaling Inc. | 100 |
1 |
| Other owners | 0 |