- All sections
- B - Performing operationstransporting
- B61L - Guiding railway trafficensuring the safety of railway traffic
- B61L 13/04 - Operation of signals from the vehicle or by the passage of the vehicle using electrical or magnetic interaction between vehicle and track
Patent holdings for IPC class B61L 13/04
Total number of patents in this class: 37
10-year publication summary
|
2
|
5
|
1
|
0
|
2
|
5
|
3
|
3
|
5
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24199 |
5 |
| Siemens Mobility, Inc. | 374 |
4 |
| Siemens Mobility GmbH | 1839 |
3 |
| Alstom Holdings | 624 |
2 |
| Bosspac Technologies Inc. | 9 |
2 |
| DP World Logistics US Holdings, Inc. | 56 |
2 |
| General Electric Company | 13806 |
1 |
| Ford Global Technologies, LLC | 21296 |
1 |
| Mitsubishi Electric Corporation | 47625 |
1 |
| Siemens S.A.S. | 44 |
1 |
| Rockwell Collins, Inc. | 2552 |
1 |
| Alstom Transport Technologies | 115 |
1 |
| Auto Truck Group, LLC | 5 |
1 |
| Nanyang Technological University | 2158 |
1 |
| Railway Metrics and Dynamics Sweden AB | 7 |
1 |
| Siemens Schweiz AG | 631 |
1 |
| Skytran, Inc. | 33 |
1 |
| Mitsubishi Heavy Industries Engineering, Ltd. | 194 |
1 |
| GE Global Sourcing LLC | 866 |
1 |
| Pintsch GmbH | 35 |
1 |
| Other owners | 5 |