- All sections
- E - Fixed constructions
- E01B - Permanent waypermanent-way toolsmachines for making railways of all kinds
- E01B 11/44 - Non-dismountable rail jointsWelded joints
Patent holdings for IPC class E01B 11/44
Total number of patents in this class: 13
10-year publication summary
|
0
|
2
|
3
|
0
|
2
|
1
|
0
|
0
|
0
|
0
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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 |
2 |
| CF&I Steel L.P., d/b/a EVRAZ Rocky Mountain Steel | 4 |
2 |
| CTF France | 5 |
1 |
| Franz Plasser Bahnbaumaschinen-industriegesellschaft m.b.H. | 70 |
1 |
| Goldschmidt Thermit GmbH | 4 |
1 |
| Jilin University | 268 |
1 |
| Konecranes Global Corporation | 478 |
1 |
| Koppers Delaware, Inc. | 71 |
1 |
| L.B. Foster Company | 52 |
1 |
| SNCF Reseau | 46 |
1 |
| Strukton Rail B.V. | 2 |
1 |
| Other owners | 0 |