- All sections
- B - Performing operationstransporting
- B61L - Guiding railway trafficensuring the safety of railway traffic
- B61L 25/00 - Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
Patent holdings for IPC class B61L 25/00
Total number of patents in this class: 99
10-year publication summary
|
9
|
3
|
8
|
10
|
6
|
10
|
4
|
5
|
3
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Westinghouse Air Brake Technologies Corporation | 486 |
7 |
| Siemens Mobility, Inc. | 375 |
6 |
| Hitachi Rail GTS Canada Inc. | 116 |
6 |
| Mitsubishi Electric Corporation | 48409 |
4 |
| Siemens AG | 23913 |
3 |
| GE Global Sourcing LLC | 860 |
3 |
| Siemens Mobility GmbH | 1896 |
3 |
| Hitachi, Ltd. | 16221 |
2 |
| Alstom Holdings | 631 |
2 |
| its Technologies & Logistics, LLC | 9 |
2 |
| Vekoma Rides Engineering B.V. | 39 |
2 |
| Wabtec Holding Corp. | 336 |
2 |
| Transportation IP Holdings, LLC | 1018 |
2 |
| Casco Signal Co., Ltd. | 206 |
2 |
| Pop-up Metro LLC | 3 |
2 |
| Nice North America LLC | 212 |
2 |
| General Electric Company | 13999 |
1 |
| Raytheon Company | 8447 |
1 |
| Thales Canada Inc. | 104 |
1 |
| Siemens Industry, Inc. | 1594 |
1 |
| Other owners | 45 |