- All sections
- B - Performing operationstransporting
- B61L - Guiding railway trafficensuring the safety of railway traffic
- B61L 11/00 - Operation of points from the vehicle or by the passage of the vehicle
Patent holdings for IPC class B61L 11/00
Total number of patents in this class: 25
10-year publication summary
|
6
|
6
|
5
|
3
|
0
|
0
|
0
|
1
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi, Ltd. | 15499 |
11 |
| Siemens AG | 24461 |
4 |
| Siemens Mobility GmbH | 1723 |
2 |
| Progress Rail Services Corp | 235 |
1 |
| TDK Corporation | 6750 |
1 |
| Siemens Industry, Inc. | 1447 |
1 |
| Korea Railroad Research Institute | 177 |
1 |
| Murata Machinery, Ltd. | 1502 |
1 |
| Siemens Mobility, Inc. | 354 |
1 |
| CRRC Zhuzhou Locomotive Co., Ltd | 258 |
1 |
| KB Signaling Inc. | 101 |
1 |
| Other owners | 0 |