- All sections
- E - Fixed constructions
- E04C - Structural elementsbuilding materials
- E04C 3/293 - JoistsGirders, trusses, or truss-like structures, e.g. prefabricatedLintelsTransoms built-up from parts of different materials the materials being steel and concrete
Patent holdings for IPC class E04C 3/293
Total number of patents in this class: 135
10-year publication summary
|
14
|
9
|
14
|
8
|
9
|
16
|
9
|
9
|
7
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Peikko Group Oy | 171 |
11 |
| Dizenio Inc. | 7 |
5 |
| Pfeifer Holding GmbH & Co. KG | 37 |
5 |
| Senvex Co., Ltd. | 22 |
4 |
| Cgsplan.co.ltd. | 8 |
4 |
| Net Zero Projects Limited | 6 |
4 |
| Elevate Structures, LLC | 8 |
4 |
| Diversakore LLC | 14 |
3 |
| Rautaruukki Oyj | 146 |
3 |
| Socpra Sciences et Genie S.E.C. | 197 |
3 |
| Council of Scientific & Industrial Research | 1432 |
2 |
| Hainan University | 161 |
2 |
| Ispan Systems LP | 10 |
2 |
| Neo Cross Structure Engineering Co., Ltd. | 3 |
2 |
| South China University of Technology | 1792 |
2 |
| University of Canterbury | 32 |
2 |
| Constantine Shuhaibar | 2 |
2 |
| Seoul National University R&db Foundation | 3653 |
2 |
| Invent to Build Inc. | 17 |
2 |
| Caterpillar Inc. | 9594 |
1 |
| Other owners | 70 |