- All sections
- E - Fixed constructions
- E01B - Permanent waypermanent-way toolsmachines for making railways of all kinds
- E01B 21/00 - Track superstructure specially adapted for tramways in paved streets
Patent holdings for IPC class E01B 21/00
Total number of patents in this class: 42
10-year publication summary
|
1
|
1
|
3
|
2
|
1
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3
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3
|
1
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1
|
1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Plastiform's | 8 |
5 |
| Datwyler Sealing Technologies Deutschland GmbH | 15 |
3 |
| Embedded Rail Technology Limited | 7 |
3 |
| Gmundner Fertigteile Gesellschaft m.b.H. & Co. KG. | 20 |
3 |
| Polycorp Ltd. | 67 |
3 |
| Bombardier Transportation GmbH | 645 |
2 |
| edilon)(sedra B.V. | 17 |
2 |
| Hilltrac, Inc. | 9 |
2 |
| CDM NV | 20 |
2 |
| edilon sedra GmbH | 7 |
2 |
| TDI Greenway Technologies Ltd | 8 |
2 |
| Alstom Holdings | 610 |
1 |
| Covestro Deutschland AG | 2767 |
1 |
| Daetwyler Sealing Technologies Deutschland GmbH | 5 |
1 |
| ETF | 14 |
1 |
| Max Bogl Bauunternehmung GmbH & Co. KG | 23 |
1 |
| COMPOSITE DAMPING MATERIAL N.V., in het kort 'CDM' | 2 |
1 |
| Polyplan GmbH | 1 |
1 |
| Carpet Track Ltd | 2 |
1 |
| Voestalpine Railway Systems Nortrak LLC | 43 |
1 |
| Other owners | 4 |