- All sections
- E - Fixed constructions
- E01B - Permanent waypermanent-way toolsmachines for making railways of all kinds
- E01B 3/42 - Transverse or longitudinal sleepersOther 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: 11
10-year publication summary
|
1
|
0
|
2
|
2
|
0
|
2
|
2
|
1
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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
|
|---|---|---|
| Hunan Taohuajiang Bamboo Science & Technology Co., Ltd. | 16 |
2 |
| Alstom Holdings | 611 |
1 |
| Arkema France | 4104 |
1 |
| Fimor | 4 |
1 |
| Gutanna Innovative Concrete and Technologies, LLC | 1 |
1 |
| China Academy of Railway Sciences Corporation Limited | 27 |
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 |
| Rail Seat Solutions Inc. | 1 |
1 |
| Other owners | 0 |