- All sections
- B - Performing operationstransporting
- B61L - Guiding railway trafficensuring the safety of railway traffic
- B61L 19/06 - Interlocking devices having electrical operation
Patent holdings for IPC class B61L 19/06
Total number of patents in this class: 95
10-year publication summary
|
12
|
14
|
12
|
6
|
5
|
1
|
0
|
4
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24563 |
21 |
| Siemens Mobility GmbH | 1646 |
10 |
| Siemens Schweiz AG | 586 |
9 |
| East Japan Railway Company | 62 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 8559 |
3 |
| Hitachi, Ltd. | 15264 |
3 |
| Kyosan Electric Mfg. Co., Ltd. | 170 |
3 |
| Murata Machinery, Ltd. | 1458 |
3 |
| Mitsubishi Heavy Industries Engineering, Ltd. | 198 |
3 |
| Ghaly, Nabil N, Dr. | 7 |
3 |
| Alstom Holdings | 511 |
2 |
| BYD Company Limited | 4390 |
2 |
| Carnegie Mellon University | 1480 |
2 |
| Casco Signal Ltd. | 47 |
2 |
| Metrom Rail, LLC | 51 |
2 |
| Siemens Rail Automation Holdings Limited | 10 |
2 |
| Supercomputing Systems AG | 5 |
2 |
| Ineo Urban Transportation Solutions | 5 |
2 |
| Thales Management & Services Deutschland GmbH | 62 |
2 |
| Casco Signal Co., Ltd. | 122 |
2 |
| Other owners | 13 |