- All sections
- B - Performing operationstransporting
- B61L - Guiding railway trafficensuring the safety of railway traffic
- B61L 27/57 - Trackside diagnosis or maintenance, e.g. software upgrades for vehicles or trains, e.g. trackside supervision of train conditions
Patent holdings for IPC class B61L 27/57
Total number of patents in this class: 131
10-year publication summary
|
0
|
0
|
0
|
1
|
7
|
18
|
36
|
30
|
23
|
19
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens Mobility GmbH | 1692 |
17 |
| BNSF Railway Company | 404 |
12 |
| Konux GmbH | 30 |
8 |
| Norfolk Southern Corporation | 61 |
7 |
| Mitsubishi Electric Corporation | 45583 |
6 |
| Transportation IP Holdings, LLC | 923 |
6 |
| Doppelmayr Management AG | 28 |
6 |
| Georgia Tech Research Corporation | 2690 |
4 |
| Amsted Rail Company, Inc. | 430 |
4 |
| Bombardier Transportation GmbH | 648 |
3 |
| Track Machines Connected Gesellschaft m.b.H. | 33 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8601 |
2 |
| BYD Company Limited | 4693 |
2 |
| International Electronic Machines Corporation | 110 |
2 |
| Union Pacific Railroad Company | 67 |
2 |
| Wi-Tronix, LLC | 56 |
2 |
| Cylus Cyber Security Ltd. | 7 |
2 |
| Siemens Mobility Austria GmbH | 164 |
2 |
| GTS Deutschland GmbH | 21 |
2 |
| Progress Rail Services Corp | 234 |
1 |
| Other owners | 38 |