- All sections
- E - Fixed constructions
- E01B - Permanent way; permanent-way tools; machines for making railways of all kinds
- E01B 3/00 - Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
Patent holdings for IPC class E01B 3/00
Total number of patents in this class: 45
10-year publication summary
|
4
|
6
|
0
|
0
|
2
|
3
|
1
|
1
|
2
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nordco Inc. | 104 |
3 |
| Progress Rail Services Corp | 225 |
2 |
| B & B Metals, Inc. | 51 |
2 |
| Encore Rail Systems, Inc. | 19 |
2 |
| Petrucco, S.A. | 7 |
2 |
| Rutgers, The State University of New Jersey | 1776 |
2 |
| Vossloh-Werke GmbH | 96 |
2 |
| Administrador de Infraestructuras Ferroviarias (adif) | 12 |
1 |
| ASOE Hose Manufacturing Inc. | 13 |
1 |
| Concrete Systems, Inc. | 7 |
1 |
| FCI Holdings Delaware, Inc. | 158 |
1 |
| Fundacion Cidaut | 27 |
1 |
| Geotek, LLC | 9 |
1 |
| Getzner Werkstoffe Holding GmbH | 83 |
1 |
| Integrico Composites LLC | 1 |
1 |
| John Walking Raven Kirk | 1 |
1 |
| Korea Railroad Research Institute | 175 |
1 |
| L. B. Foster Company | 13 |
1 |
| Pandrol Limited | 94 |
1 |
| Racine Railroad Products, Inc. | 18 |
1 |
| Other owners | 17 |