- All sections
- E - Fixed constructions
- E04C - Structural elementsbuilding materials
- E04C 3/26 - JoistsGirders, trusses, or truss-like structures, e.g. prefabricatedLintelsTransoms of concrete or other stone-like material, e.g. with reinforcements or tensioning members prestressed
Patent holdings for IPC class E04C 3/26
Total number of patents in this class: 55
10-year publication summary
|
9
|
5
|
9
|
5
|
5
|
8
|
4
|
4
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| CCL Stressing International Limited | 27 |
3 |
| Morton Buildings, Inc. | 39 |
3 |
| NV Bekaert SA | 749 |
3 |
| Quickcell Technology Pty Ltd | 3 |
3 |
| S & P Clever Reinforcement Company AG | 29 |
3 |
| University of Canterbury | 30 |
3 |
| CPC AG | 10 |
2 |
| FSC Technologies, LLC | 7 |
2 |
| Eidg. Materialprüfungs- und Forschungsanstalt EMPA | 2 |
2 |
| Advanced Bridge Construction Technologies, Inc. | 2 |
2 |
| Net Zero Projects Limited | 6 |
2 |
| Siemens AG | 24525 |
1 |
| Toshiba Corporation | 12317 |
1 |
| Massachusetts Institute of Technology | 10030 |
1 |
| Airlight Energy IP SA | 22 |
1 |
| Commissariat à l'énergie et aux énergies alternatives | 13 |
1 |
| Conseil Service Investissements | 3 |
1 |
| Elastic Potential, S.L. | 8 |
1 |
| Indian Institute of Technology Bombay | 259 |
1 |
| Kurosawa Construction Co., Ltd. | 9 |
1 |
| Other owners | 18 |