- All sections
- E - Fixed constructions
- E01B - Permanent waypermanent-way toolsmachines for making railways of all kinds
- E01B 3/16 - Transverse or longitudinal sleepersOther means resting directly on the ballastway for supporting rails made from steel
Patent holdings for IPC class E01B 3/16
Total number of patents in this class: 10
10-year publication summary
|
1
|
1
|
0
|
0
|
1
|
2
|
1
|
0
|
1
|
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
|
|---|---|---|
| Destec Pty Ltd | 6 |
2 |
| TrackNet Management SA | 2 |
2 |
| British Steel Limited | 14 |
1 |
| Japan Freight Railway Company | 3 |
1 |
| Nippon Steel & Sumikin Metal Products Co., Ltd. | 34 |
1 |
| Politechnika Warszawska | 89 |
1 |
| Schwihag AG | 25 |
1 |
| MAYO, John, L. | 1 |
1 |
| Other owners | 0 |