- All sections
- E - Fixed constructions
- E01B - Permanent way; permanent-way tools; machines for making railways of all kinds
- E01B 9/10 - Screws or bolts for sleepers
Patent holdings for IPC class E01B 9/10
Total number of patents in this class: 18
10-year publication summary
|
3
|
1
|
2
|
2
|
1
|
2
|
2
|
1
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| HF Holding SA | 27 |
2 |
| Lewis Bolt & Nut Company | 22 |
2 |
| Alstom Holdings | 515 |
1 |
| Gualco, Mario | 1 |
1 |
| HEICO Befestigungstechnik GmbH | 15 |
1 |
| Pandrol Limited | 93 |
1 |
| Robel Bahnbaumaschinen GmbH | 113 |
1 |
| Vossloh-Werke GmbH | 92 |
1 |
| Wastequip, LLC | 80 |
1 |
| Ateliers L.R. Etanco | 39 |
1 |
| INFASTECH Intellectual Properties Pte. Ltd. | 73 |
1 |
| Mario Gualco | 1 |
1 |
| Appalachian Timber Services, LLC | 1 |
1 |
| Voestalpine Railway Systems Nortrak LLC | 39 |
1 |
| Beket Ray Bağlanti Si̇stemleri̇ San. ve Ti̇c. Ltd. Şti̇. | 1 |
1 |
| Colossal Concrete Products (Pty) Ltd | 1 |
1 |
| Other owners | 0 |