- 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: 137
10-year publication summary
|
10
|
15
|
8
|
11
|
22
|
9
|
9
|
8
|
7
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Peikko Group Oy | 171 |
11 |
| Dizenio Inc. | 7 |
5 |
| Pfeifer Holding GmbH & Co. KG | 38 |
5 |
| Senvex Co., Ltd. | 27 |
5 |
| Cgsplan.co.ltd. | 8 |
4 |
| Elevate Structures, LLC | 9 |
4 |
| Socpra Sciences et Genie S.E.C. | 212 |
3 |
| South China University of Technology | 1904 |
3 |
| Net Zero Projects Limited | 5 |
3 |
| Council of Scientific & Industrial Research | 1445 |
2 |
| Diversakore LLC | 13 |
2 |
| Hainan University | 171 |
2 |
| Ispan Systems LP | 10 |
2 |
| Neo Cross Structure Engineering Co., Ltd. | 3 |
2 |
| Rautaruukki Oyj | 136 |
2 |
| United States Gypsum Company | 927 |
2 |
| University of Canterbury | 36 |
2 |
| Constantine Shuhaibar | 2 |
2 |
| Seoul National University R&db Foundation | 4158 |
2 |
| Invent to Build Inc. | 16 |
2 |
| Other owners | 72 |