- All sections
- E - Fixed constructions
- E04C - Structural elementsbuilding materials
- E04C 3/22 - JoistsGirders, trusses, or truss-like structures, e.g. prefabricatedLintelsTransoms of concrete or other stone-like material, e.g. with reinforcements or tensioning members built-up by elements joined in line
Patent holdings for IPC class E04C 3/22
Total number of patents in this class: 16
10-year publication summary
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3
|
3
|
2
|
0
|
2
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2
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0
|
3
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4
|
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
|
|---|---|---|
| Massachusetts Institute of Technology | 10305 |
1 |
| Conseil Service Investissements | 3 |
1 |
| The Florida International University Board of Trustees | 682 |
1 |
| Fundacion Tecnalia Research & Innovation | 225 |
1 |
| National Applied Research Laboratories | 156 |
1 |
| Saint-Gobain Placo | 278 |
1 |
| Saint-Gobain Placo SAS | 166 |
1 |
| South China University of Technology | 1921 |
1 |
| Abeo A/S | 4 |
1 |
| SUEZ GROUPE, société par actions simplifiée | 4 |
1 |
| Just Biofiber Structural Solutions Corp. | 5 |
1 |
| Universitat Kassel | 77 |
1 |
| Korea Testing Laboratory | 3 |
1 |
| Start Somewhere Gemeinnützige GmbH | 3 |
1 |
| Aevia | 5 |
1 |
| Praeter Engineering Limited | 1 |
1 |
| Other owners | 0 |