- All sections
- E - Fixed constructions
- E01B - Permanent way; permanent-way tools; machines for making railways of all kinds
- E01B 21/02 - Special supporting means; Draining of rails
Patent holdings for IPC class E01B 21/02
Total number of patents in this class: 21
10-year publication summary
|
0
|
1
|
1
|
3
|
1
|
2
|
1
|
1
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ACO | 2 |
2 |
| Feronia S.A. | 4 |
2 |
| Getzner Werkstoffe Holding GmbH | 83 |
2 |
| Gmundner Fertigteile Gesellschaft m.b.H. & Co. KG. | 24 |
2 |
| Plastiform's | 8 |
2 |
| Alstom Transport Technologies | 566 |
1 |
| Balfour Beatty plc | 49 |
1 |
| Daetwyler Sealing Technologies Deutschland GmbH | 5 |
1 |
| Datwyler Sealing Technologies Deutschland GmbH | 15 |
1 |
| Embedded Rail Technology Limited | 7 |
1 |
| RAIL.ONE GmbH | 25 |
1 |
| Sonneville AG | 14 |
1 |
| Voestalpine Schienen GmbH | 16 |
1 |
| Vossloh-Werke GmbH | 96 |
1 |
| SEALABLE Solutions GmbH | 11 |
1 |
| China Railway Shanhaiguan Bridge Group Corporation Limited | 5 |
1 |
| Other owners | 0 |