- All sections
- E - Fixed constructions
- E01B - Permanent waypermanent-way toolsmachines for making railways of all kinds
- E01B 3/00 - Transverse or longitudinal sleepersOther means resting directly on the ballastway for supporting rails
Patent holdings for IPC class E01B 3/00
Total number of patents in this class: 46
10-year publication summary
|
6
|
0
|
0
|
2
|
3
|
1
|
1
|
2
|
0
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nordco Inc. | 98 |
3 |
| Progress Rail Services Corp | 234 |
2 |
| B & B Metals, Inc. | 54 |
2 |
| Encore Rail Systems, Inc. | 19 |
2 |
| Petrucco, S.A. | 7 |
2 |
| Rutgers, The State University of New Jersey | 1892 |
2 |
| Vossloh-Werke GmbH | 89 |
2 |
| Administrador de Infraestructuras Ferroviarias (adif) | 12 |
1 |
| ASOE Hose Manufacturing Inc. | 15 |
1 |
| Concrete Systems, Inc. | 8 |
1 |
| Fundacion Cidaut | 27 |
1 |
| Geotek, LLC | 13 |
1 |
| Getzner Werkstoffe Holding GmbH | 90 |
1 |
| Integrico Composites LLC | 1 |
1 |
| John Walking Raven Kirk | 1 |
1 |
| Korea Railroad Research Institute | 177 |
1 |
| L. B. Foster Company | 12 |
1 |
| Pandrol Limited | 90 |
1 |
| Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft m.b.H. | 418 |
1 |
| Politechnika Warszawska | 72 |
1 |
| Other owners | 18 |