- All sections
- E - Fixed constructions
- E01B - Permanent way; permanent-way tools; machines for making railways of all kinds
- E01B 3/42 - Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone combined with inserts of wood or other material
Patent holdings for IPC class E01B 3/42
Total number of patents in this class: 8
10-year publication summary
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0
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1
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0
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2
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2
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0
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2
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0
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1
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0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Alstom Transport Technologies | 566 |
1 |
| Arkema France | 3790 |
1 |
| Fimor | 4 |
1 |
| Gutanna Innovative Concrete and Technologies, LLC | 1 |
1 |
| China Academy of Railway Sciences Corporation Limited | 19 |
1 |
| Beijing Tieke Shougang Track Technology Co. , Ltd | 2 |
1 |
| China Academy of Railway Sciences Corporaton Limited Railway Engineering Research Institute | 1 |
1 |
| Limited Liability "industrial Center" | 1 |
1 |
| Other owners | 0 |