- 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: 54
10-year publication summary
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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
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3
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7
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1
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2
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft m.b.H. | 437 |
11 |
| Enerpac Tool Group Corp. | 129 |
4 |
| Herzog Contracting Corp. | 15 |
3 |
| Harsco Corporation | 49 |
2 |
| Harsco Technologies LLC | 138 |
2 |
| Korea Railroad Research Institute | 184 |
2 |
| Sandvik Mining and Construction G.m.b.H. | 94 |
2 |
| Huahai Engineering Co., Ltd of CREC Shanghai | 31 |
2 |
| Shanghai Civil Engineering Co., Ltd of CREC | 63 |
2 |
| (Suzhou) Rail Transit Science and Thchnology Research Institute Co., Ltd Shanghai Civil Engineering Group of Rcec | 26 |
2 |
| Caterpillar Inc. | 10299 |
1 |
| BNSF Railway Company | 553 |
1 |
| Franz Plasser Bahnbaumaschinen-industriegesellschaft m.b.H. | 58 |
1 |
| Good Earth Tools, Inc. | 10 |
1 |
| Herzog Railroad Services, Inc. | 72 |
1 |
| LynxRail Corporation | 5 |
1 |
| Pandrol Limited | 83 |
1 |
| Racine Railroad Products, Inc. | 18 |
1 |
| Strabag AG | 19 |
1 |
| SYSTRA | 16 |
1 |
| Other owners | 12 |