- All sections
- B - Performing operations; transporting
- B60M - Power supply lines, or devices along rails, for electrically-propelled vehicles
- B60M 1/20 - Arrangements for supporting or suspending trolley wires, e.g. from buildings
Patent holdings for IPC class B60M 1/20
Total number of patents in this class: 52
10-year publication summary
|
3
|
6
|
1
|
2
|
8
|
6
|
2
|
4
|
2
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Furrer + Frey AG | 31 |
5 |
| Siemens Mobility GmbH | 1550 |
4 |
| Mac-impulse, LLC | 9 |
4 |
| Alstom Transport Technologies | 566 |
3 |
| Bonomi Eugenio S.p.A. | 6 |
2 |
| Satferr S.r.l. | 3 |
2 |
| Stratiforme Industries | 2 |
2 |
| Siemens AG | 24990 |
1 |
| Caterpillar Inc. | 8877 |
1 |
| AFL Telecommunications LLC | 656 |
1 |
| Bonciani S.p.A. Unipersonale | 1 |
1 |
| Electric Friends AS | 5 |
1 |
| Gcf-generale Costruzioni Ferroviarie S.p.A. | 5 |
1 |
| Icomera AB | 69 |
1 |
| LS Cable & System Ltd. | 311 |
1 |
| Murata Machinery, Ltd. | 1386 |
1 |
| PFISTERER Upresa, S.A. | 1 |
1 |
| SNCF Reseau | 38 |
1 |
| Société Nationale des Chemins de fer Français (SNCF) | 33 |
1 |
| BEUMER Group GmbH & Co. KG | 99 |
1 |
| Other owners | 17 |