- All sections
- E - Fixed constructions
- E01B - Permanent waypermanent-way toolsmachines for making railways of all kinds
- E01B 29/04 - Lifting or levelling of tracks
Patent holdings for IPC class E01B 29/04
Total number of patents in this class: 51
10-year publication summary
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4
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3
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4
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4
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4
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4
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6
|
2
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6
|
1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft m.b.H. | 418 |
10 |
| Enerpac Tool Group Corp. | 119 |
4 |
| Herzog Contracting Corp. | 15 |
3 |
| Franz Plasser Bahnbaumaschinen-industriegesellschaft m.b.H. | 70 |
2 |
| Harsco Corporation | 50 |
2 |
| Harsco Technologies LLC | 147 |
2 |
| Korea Railroad Research Institute | 177 |
2 |
| Pandrol (vortok) Limited | 9 |
2 |
| Caterpillar Inc. | 9539 |
1 |
| BNSF Railway Company | 419 |
1 |
| Good Earth Tools, Inc. | 12 |
1 |
| Herzog Railroad Services, Inc. | 61 |
1 |
| LynxRail Corporation | 6 |
1 |
| Pandrol Limited | 90 |
1 |
| Racine Railroad Products, Inc. | 20 |
1 |
| Sandvik Mining and Construction G.m.b.H. | 91 |
1 |
| Strabag AG | 14 |
1 |
| SYSTRA | 16 |
1 |
| Union Pacific Railroad Company | 66 |
1 |
| W & D McCulloch Ltd. | 24 |
1 |
| Other owners | 12 |