- All sections
- E - Fixed constructions
- E01B - Permanent waypermanent-way toolsmachines for making railways of all kinds
- E01B 21/02 - Special supporting meansDraining of rails
Patent holdings for IPC class E01B 21/02
Total number of patents in this class: 19
10-year publication summary
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1
|
1
|
2
|
1
|
2
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1
|
1
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0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ACO | 2 |
2 |
| Feronia S.A. | 3 |
2 |
| Getzner Werkstoffe Holding GmbH | 90 |
2 |
| Gmundner Fertigteile Gesellschaft m.b.H. & Co. KG. | 20 |
2 |
| Plastiform's | 8 |
2 |
| Alstom Holdings | 612 |
1 |
| Balfour Beatty plc | 43 |
1 |
| Daetwyler Sealing Technologies Deutschland GmbH | 5 |
1 |
| Datwyler Sealing Technologies Deutschland GmbH | 15 |
1 |
| Embedded Rail Technology Limited | 7 |
1 |
| Sonneville AG | 14 |
1 |
| Vossloh-Werke GmbH | 89 |
1 |
| SEALABLE Solutions GmbH | 11 |
1 |
| China Railway Shanhaiguan Bridge Group Corporation Limited | 9 |
1 |
| Other owners | 0 |