- All sections
- E - Fixed constructions
- E01B - Permanent way; permanent-way tools; machines for making railways of all kinds
- E01B 7/22 - Special sleepers for switches or crossings; Fastening means therefor
Patent holdings for IPC class E01B 7/22
Total number of patents in this class: 49
10-year publication summary
|
2
|
3
|
1
|
2
|
4
|
4
|
2
|
4
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Voestalpine VAE GmbH | 34 |
4 |
| RAIL.ONE GmbH | 25 |
3 |
| Porr Bau GmbH | 24 |
3 |
| PCM RAIL.ONE AG | 20 |
3 |
| Pandrol Iberica S.A.U. | 5 |
3 |
| DB Netz AG | 22 |
2 |
| Getzner Werkstoffe Holding GmbH | 83 |
2 |
| Schwihag AG | 34 |
2 |
| Vossloh Cogifer | 14 |
2 |
| ANSALDO STS S.p.A. | 23 |
1 |
| Balfour Beatty plc | 49 |
1 |
| Bank of Montreal, AS Agent | 53 |
1 |
| Max Bogl Bauunternehmung GmbH & Co. KG | 30 |
1 |
| Non Intrusive Crossover System Limited | 3 |
1 |
| Recticel | 78 |
1 |
| Roller Bearing Company of America, Inc. | 206 |
1 |
| VAE Eisenbahnsysteme GmbH | 16 |
1 |
| VAE GmbH | 29 |
1 |
| Voestalpine BWG GmbH & Co. KG | 14 |
1 |
| Voestalpine Nortrak Inc. | 4 |
1 |
| Other owners | 14 |