- All sections
- E - Fixed constructions
- E01B - Permanent way; permanent-way tools; machines for making railways of all kinds
- E01B 9/02 - Fastening rails, tie-plates, or chairs directly on sleepers or foundations; Means therefor
Patent holdings for IPC class E01B 9/02
Total number of patents in this class: 55
10-year publication summary
|
6
|
7
|
3
|
7
|
4
|
6
|
1
|
2
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Vossloh-Werke GmbH | 92 |
8 |
| Progress Rail Services Corp | 238 |
3 |
| Amsted Rail Company, Inc. | 437 |
3 |
| Pandrol Limited | 93 |
3 |
| Geotek, LLC | 9 |
2 |
| Herzog Railroad Services, Inc. | 61 |
2 |
| Nordco Inc. | 99 |
2 |
| Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft m.b.H. | 406 |
2 |
| Specter Innovations Group Pty Ltd | 3 |
2 |
| Vossloh Fastening Systems GmbH | 16 |
2 |
| Voestalpine Railway Systems Nortrak LLC | 39 |
2 |
| Amsted RPS | 1 |
1 |
| B & B Metals, Inc. | 52 |
1 |
| Daetwyler Sealing Technologies Deutschland GmbH | 5 |
1 |
| Duropar Technologies Inc. | 1 |
1 |
| Encore Rail Systems, Inc. | 19 |
1 |
| Geopier Foundation Company, Inc. | 150 |
1 |
| HF Holding SA | 27 |
1 |
| Lewis Bolt & Nut Company | 22 |
1 |
| Max Bogl Bauunternehmung GmbH & Co. KG | 29 |
1 |
| Other owners | 15 |