- All sections
- E - Fixed constructions
- E04C - Structural elementsbuilding materials
- E04C 3/44 - Arched girders or portal frames of concrete or other stone-like material, e.g. with reinforcements or tensioning members
Patent holdings for IPC class E04C 3/44
Total number of patents in this class: 3
10-year publication summary
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0
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1
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1
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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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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
|
|---|---|---|
| The European Union, represented by The European Commission | 207 |
1 |
| The Florida International University Board of Trustees | 659 |
1 |
| Hohmann & Barnard, Incorporated | 126 |
1 |
| Other owners | 0 |