- All sections
- E - Fixed constructions
- E04C - Structural elements; building materials
- E04C 3/293 - Joists; Girders, trusses, or truss-like structures, e.g. prefabricated; Lintels; Transoms 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: 130
10-year publication summary
|
6
|
14
|
10
|
15
|
8
|
11
|
22
|
9
|
9
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Peikko Group Oy | 157 |
11 |
| Dizenio Inc. | 7 |
5 |
| Pfeifer Holding GmbH & Co. KG | 38 |
5 |
| Senvex Co., Ltd. | 20 |
4 |
| Cgsplan.co.ltd. | 8 |
4 |
| Diversakore LLC | 14 |
3 |
| Rautaruukki Oyj | 161 |
3 |
| Socpra Sciences et Genie S.E.C. | 167 |
3 |
| Net Zero Projects Limited | 5 |
3 |
| Storage Structures, LLC | 4 |
3 |
| Council of Scientific & Industrial Research | 1397 |
2 |
| Hainan University | 142 |
2 |
| Ispan Systems LP | 10 |
2 |
| Neo Cross Structure Engineering Co., Ltd. | 3 |
2 |
| South China University of Technology | 1581 |
2 |
| University of Canterbury | 29 |
2 |
| Constantine Shuhaibar | 2 |
2 |
| Seoul National University R&db Foundation | 2976 |
2 |
| Invent to Build Inc. | 19 |
2 |
| Samsung Corp. | 5 |
2 |
| Other owners | 66 |