- All sections
- E - Fixed constructions
- E01B - Permanent waypermanent-way toolsmachines for making railways of all kinds
- E01B 3/40 - SlabsBlocksPot sleepersFastening tie-rods to them
Patent holdings for IPC class E01B 3/40
Total number of patents in this class: 47
10-year publication summary
|
2
|
2
|
4
|
2
|
6
|
4
|
8
|
3
|
3
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Council of The City of Coventry | 13 |
4 |
| edilon)(sedra B.V. | 17 |
3 |
| Sonneville AG | 14 |
3 |
| Vossloh Cogifer | 16 |
3 |
| Porr Bau GmbH | 25 |
3 |
| Overail S.r.l. | 6 |
3 |
| SYSTRA France | 4 |
3 |
| Progress Rail Services Corp | 234 |
2 |
| Max Bogl Bauunternehmung GmbH & Co. KG | 24 |
2 |
| Precast Advanced Track Limited | 3 |
2 |
| Railway Engineering Research Institute of China Academy of Railway Sciences | 7 |
2 |
| SYSTRA | 16 |
2 |
| Acciona Construcción, S.A. | 22 |
2 |
| Centro de Estudios Materiales y Control de Obra, S.A. | 2 |
2 |
| China Railway Siyuan Survey and Design Group Co., Ltd. | 69 |
2 |
| TDI Greenway Technologies Ltd | 7 |
2 |
| Aurizon Operations Limited | 5 |
1 |
| Feronia S.A. | 3 |
1 |
| Société Nationale des Chemins de fer Français (SNCF) | 29 |
1 |
| Gutanna Innovative Concrete and Technologies, LLC | 1 |
1 |
| Other owners | 3 |