- All sections
- B - Performing operationstransporting
- B61L - Guiding railway trafficensuring the safety of railway traffic
- B61L 23/24 - Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in two directions over the same pair of rails using token systems, e.g. train staffs, tablets
Patent holdings for IPC class B61L 23/24
Total number of patents in this class: 18
10-year publication summary
|
0
|
4
|
1
|
2
|
0
|
1
|
2
|
0
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Harsco Technologies LLC | 145 |
6 |
| Siemens AG | 24159 |
3 |
| Mitsubishi Electric Corporation | 47706 |
1 |
| Huawei Technologies Co., Ltd. | 120925 |
1 |
| Audi AG | 7499 |
1 |
| Cohda Wireless Pty. Ltd. | 26 |
1 |
| Daifuku Co., Ltd. | 1064 |
1 |
| Cavh LLC | 101 |
1 |
| GE Global Sourcing LLC | 866 |
1 |
| Siemens Mobility GmbH | 1848 |
1 |
| Hitachi Rail STS S.p.A. | 34 |
1 |
| Other owners | 0 |