- All sections
- B - Performing operations; transporting
- B60M - Power supply lines, or devices along rails, for electrically-propelled vehicles
- B60M 1/12 - Trolley lines; Accessories therefor
Patent holdings for IPC class B60M 1/12
Total number of patents in this class: 69
10-year publication summary
2
|
16
|
7
|
7
|
10
|
7
|
5
|
4
|
4
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Siemens Mobility GmbH | 1550 |
8 |
DTI Group Limited | 12 |
6 |
Joy Global Underground Mining LLC | 331 |
4 |
Mitsubishi Electric Corporation | 43934 |
3 |
Liebherr-Mining Equipment Colmar SAS | 56 |
3 |
NR Electric Co., Ltd. | 302 |
3 |
NR Engineering Co., Ltd | 266 |
3 |
Railway Technical Research Institute | 38 |
3 |
Baoji Line Parts Co., Ltd of China Railway Electrification Bureau Group | 3 |
3 |
Hitachi Construction Machinery Co., Ltd. | 2498 |
2 |
Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
2 |
Caterpillar Inc. | 8877 |
2 |
Fuji Electric Co., Ltd. | 4750 |
2 |
Volvo Truck Corporation | 2764 |
2 |
Siemens AG | 24990 |
1 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
1 |
Toshiba Corporation | 12017 |
1 |
Hitachi, Ltd. | 16452 |
1 |
Cargotec Finland Oy | 48 |
1 |
Conductix-Wampfler GmbH | 88 |
1 |
Other owners | 17 |