- All sections
- B - Performing operations; transporting
- B60M - Power supply lines, or devices along rails, for electrically-propelled vehicles
- B60M 1/28 - Manufacturing or repairing trolley lines
Patent holdings for IPC class B60M 1/28
Total number of patents in this class: 138
10-year publication summary
10
|
12
|
13
|
11
|
13
|
10
|
11
|
9
|
7
|
6
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Meidensha Corporation | 823 |
20 |
Tesmec SpA | 46 |
9 |
Telefonos Lineas y Centrales S.A. | 16 |
7 |
DTI Group Limited | 12 |
6 |
Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft m.b.H. | 385 |
6 |
Siemens AG | 24990 |
5 |
Furrer + Frey AG | 31 |
5 |
Siemens Mobility GmbH | 1550 |
5 |
Mass Electric Construction Co. | 9 |
4 |
Mitsubishi Electric Corporation | 43934 |
3 |
Hitachi High-Tech Solutions Corporation | 10 |
3 |
Hitachi Construction Machinery Co., Ltd. | 2498 |
2 |
Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
2 |
Alstom Transport Technologies | 566 |
2 |
City University | 40 |
2 |
Franz Plasser Bahnbaumaschinen-industriegesellschaft m.b.H. | 87 |
2 |
Hitachi High-Tech Fine Systems Corporation | 27 |
2 |
Konecranes Global Corporation | 484 |
2 |
Railway Metrics and Dynamics Sweden AB | 6 |
2 |
Camlin Italy S.r.l. | 12 |
2 |
Other owners | 47 |