- 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: 34
10-year publication summary
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3
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2
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5
|
1
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0
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2
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4
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3
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2
|
3
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24552 |
5 |
| Siemens Mobility, Inc. | 349 |
4 |
| Siemens Mobility GmbH | 1711 |
3 |
| Alstom Holdings | 609 |
2 |
| Keystone Humans Inc. | 7 |
2 |
| General Electric Company | 13838 |
1 |
| Ford Global Technologies, LLC | 20498 |
1 |
| Mitsubishi Electric Corporation | 45899 |
1 |
| Siemens S.A.S. | 44 |
1 |
| Rockwell Collins, Inc. | 2492 |
1 |
| Alstom Transport Technologies | 125 |
1 |
| Auto Truck Group, LLC | 5 |
1 |
| Hyperloop Technologies, Inc. | 181 |
1 |
| Nanyang Technological University | 1989 |
1 |
| Siemens Schweiz AG | 596 |
1 |
| Skytran, Inc. | 33 |
1 |
| Mitsubishi Heavy Industries Engineering, Ltd. | 196 |
1 |
| GE Global Sourcing LLC | 897 |
1 |
| Pintsch GmbH | 38 |
1 |
| Siemens Mobility SAS | 62 |
1 |
| Other owners | 3 |