- All sections
- E - Fixed constructions
- E01B - Permanent waypermanent-way toolsmachines for making railways of all kinds
- E01B 3/36 - Composite sleepers
Patent holdings for IPC class E01B 3/36
Total number of patents in this class: 16
10-year publication summary
|
1
|
6
|
0
|
2
|
1
|
2
|
1
|
3
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Vossloh-Werke GmbH | 89 |
3 |
| Greenrail Group S.r.l. | 3 |
2 |
| Alstom Holdings | 611 |
1 |
| Geotek, LLC | 13 |
1 |
| Integrico Composites LLC | 1 |
1 |
| Kirchdorfer Fertigteilholding GmbH | 41 |
1 |
| Korea Railroad Research Institute | 177 |
1 |
| Pandrol CDM Track N.V. | 1 |
1 |
| Rutgers, The State University of New Jersey | 1892 |
1 |
| Sileto Pesquisa e Desenvolvimento Ltda | 1 |
1 |
| Sileto Pesquisa e Desenvolvimento S.A. | 5 |
1 |
| Trammco, LLC | 2 |
1 |
| Hyperion B.V. | 1 |
1 |
| Other owners | 0 |