- All sections
- B - Performing operationstransporting
- B60M - Power supply lines, or devices along rails, for electrically-propelled vehicles
- B60M 1/12 - Trolley linesAccessories therefor
Patent holdings for IPC class B60M 1/12
Total number of patents in this class: 71
10-year publication summary
|
16
|
7
|
7
|
10
|
7
|
5
|
4
|
4
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens Mobility GmbH | 1648 |
9 |
| DTI Group Limited | 12 |
6 |
| Joy Global Underground Mining LLC | 346 |
4 |
| Mitsubishi Electric Corporation | 45024 |
3 |
| Liebherr-Mining Equipment Colmar SAS | 56 |
3 |
| NR Electric Co., Ltd. | 317 |
3 |
| NR Engineering Co., Ltd | 280 |
3 |
| Railway Technical Research Institute | 40 |
3 |
| Baoji Line Parts Co., Ltd of China Railway Electrification Bureau Group | 3 |
3 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 40893 |
2 |
| Caterpillar Inc. | 9249 |
2 |
| Fuji Electric Co., Ltd. | 4999 |
2 |
| Volvo Truck Corporation | 3143 |
2 |
| Siemens AG | 24558 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 8569 |
1 |
| Toshiba Corporation | 12089 |
1 |
| Hitachi, Ltd. | 15259 |
1 |
| Hitachi Construction Machinery Co., Ltd. | 2567 |
1 |
| Komatsu America Corp. | 51 |
1 |
| Cargotec Finland Oy | 27 |
1 |
| Other owners | 19 |