- All sections
- E - Fixed constructions
- E01B - Permanent waypermanent-way toolsmachines for making railways of all kinds
- E01B 9/02 - Fastening rails, tie-plates, or chairs directly on sleepers or foundationsMeans therefor
Patent holdings for IPC class E01B 9/02
Total number of patents in this class: 56
10-year publication summary
|
5
|
6
|
3
|
5
|
2
|
5
|
1
|
2
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Vossloh-Werke GmbH | 89 |
7 |
| Progress Rail Services Corp | 236 |
3 |
| Amsted Rail Company, Inc. | 439 |
3 |
| Pandrol Limited | 91 |
3 |
| B & B Metals, Inc. | 54 |
2 |
| Geotek, LLC | 13 |
2 |
| Herzog Railroad Services, Inc. | 67 |
2 |
| Nordco Inc. | 99 |
2 |
| Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft m.b.H. | 420 |
2 |
| Specter Innovations Group Pty Ltd | 3 |
2 |
| Vossloh Fastening Systems GmbH | 18 |
2 |
| Voestalpine Railway Systems Nortrak LLC | 43 |
2 |
| Caterpillar Inc. | 9640 |
1 |
| Amsted RPS | 1 |
1 |
| Daetwyler Sealing Technologies Deutschland GmbH | 5 |
1 |
| Duropar Technologies Inc. | 1 |
1 |
| Encore Rail Systems, Inc. | 19 |
1 |
| Geopier Foundation Company, Inc. | 145 |
1 |
| HF Holding SA | 28 |
1 |
| Lewis Bolt & Nut Company | 22 |
1 |
| Other owners | 16 |