- All sections
- E - Fixed constructions
- E01B - Permanent way; permanent-way tools; machines for making railways of all kinds
- E01B 9/24 - Fastening on steel sleepers without clamp members by keys
Patent holdings for IPC class E01B 9/24
Total number of patents in this class: 0
10-year publication summary
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
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This class
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|---|---|---|
| Other owners | 0 |