- All sections
- E - Fixed constructions
- E01B - Permanent way; permanent-way tools; machines 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: 42
10-year publication summary
|
3
|
4
|
3
|
4
|
4
|
4
|
3
|
6
|
2
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft m.b.H. | 385 |
9 |
| Franz Plasser Bahnbaumaschinen-industriegesellschaft m.b.H. | 87 |
3 |
| Herzog Contracting Corp. | 18 |
3 |
| Harsco Corporation | 56 |
2 |
| Harsco Technologies LLC | 162 |
2 |
| Korea Railroad Research Institute | 175 |
2 |
| Pandrol (vortok) Limited | 9 |
2 |
| Track Tools, LLC | 3 |
2 |
| BNSF Railway Company | 328 |
1 |
| Good Earth Tools, Inc. | 18 |
1 |
| Herzog Railroad Services, Inc. | 48 |
1 |
| Loram Maintenance of Way, Inc. | 62 |
1 |
| LynxRail Corporation | 7 |
1 |
| Pandrol Limited | 94 |
1 |
| Racine Railroad Products, Inc. | 18 |
1 |
| Strabag AG | 13 |
1 |
| SYSTRA | 18 |
1 |
| Union Pacific Railroad Company | 75 |
1 |
| W & D McCulloch Ltd. | 26 |
1 |
| HP3 Real GmbH | 41 |
1 |
| Other owners | 5 |