- 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
|
8
|
8
|
2
|
4
|
5
|
6
|
8
|
2
|
4
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Westinghouse Air Brake Technologies Corporation | 503 |
7 |
| Siemens Mobility, Inc. | 361 |
6 |
| Hitachi Rail GTS Canada Inc. | 70 |
6 |
| General Electric Company | 13856 |
4 |
| Mitsubishi Electric Corporation | 46618 |
4 |
| Siemens AG | 24346 |
3 |
| GE Global Sourcing LLC | 889 |
3 |
| Siemens Mobility GmbH | 1751 |
3 |
| Alstom Holdings | 617 |
2 |
| its Technologies & Logistics, LLC | 14 |
2 |
| Vekoma Rides Engineering B.V. | 40 |
2 |
| Wabtec Holding Corp. | 373 |
2 |
| Nice North America LLC | 207 |
2 |
| Hitachi, Ltd. | 15605 |
1 |
| Raytheon Company | 8402 |
1 |
| Thales Canada Inc. | 105 |
1 |
| Siemens Industry, Inc. | 1481 |
1 |
| Tsinghua University | 5973 |
1 |
| Kawasaki Heavy Industries, Limited | 1636 |
1 |
| 4 Tel Pty Ltd | 1 |
1 |
| Other owners | 46 |