- All sections
- B - Performing operationstransporting
- B60M - Power supply lines, or devices along rails, for electrically-propelled vehicles
- B60M 1/13 - Trolley wires
Patent holdings for IPC class B60M 1/13
Total number of patents in this class: 29
10-year publication summary
|
3
|
0
|
3
|
5
|
0
|
6
|
5
|
4
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Brecknell, Willis & Co. Limited | 3 |
2 |
| DTI Group Limited | 12 |
2 |
| Siemens Mobility GmbH | 1721 |
2 |
| Liebherr Mining Equipment Newport News Co. | 16 |
2 |
| Siemens AG | 24477 |
1 |
| Hitachi Construction Machinery Co., Ltd. | 2643 |
1 |
| Hitachi Metals, Ltd. | 1983 |
1 |
| Mitsubishi Electric Corporation | 46127 |
1 |
| BYD Company Limited | 5018 |
1 |
| Furrer + Frey AG | 35 |
1 |
| Hitachi High-Tech Solutions Corporation | 11 |
1 |
| La Farga Lacambra, S.A.U. | 2 |
1 |
| LS Cable & System Ltd. | 378 |
1 |
| Mitsubishi Materials Corporation | 2444 |
1 |
| Shenzhen Institutes of Advanced Technology | 1488 |
1 |
| Shenzhen Institutes of Advanced Technology Chinese Academy of Sciences | 2030 |
1 |
| Southwest Jiaotong University | 166 |
1 |
| BEUMER Group GmbH & Co. KG | 114 |
1 |
| CRRC Yangtze Co., Ltd. | 84 |
1 |
| Fondazione Politecnico di Milano | 3 |
1 |
| Other owners | 5 |