- All sections
- E - Fixed constructions
- E01B - Permanent waypermanent-way toolsmachines for making railways of all kinds
- E01B 3/26 - Transverse or longitudinal sleepersOther means resting directly on the ballastway for supporting rails made from steel combined with inserts of wood, artificial stone, or other material
Patent holdings for IPC class E01B 3/26
Total number of patents in this class: 4
10-year publication summary
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0
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0
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0
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0
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0
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2
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2
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0
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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hunan Taohuajiang Bamboo Science & Technology Co., Ltd. | 16 |
2 |
| Geotek, LLC | 13 |
1 |
| Baupoly AG | 1 |
1 |
| Other owners | 0 |