- All sections
- E - Fixed constructions
- E04C - Structural elementsbuilding materials
- E04C 3/29 - JoistsGirders, trusses, or truss-like structures, e.g. prefabricatedLintelsTransoms built-up from parts of different materials
Patent holdings for IPC class E04C 3/29
Total number of patents in this class: 222
10-year publication summary
|
27
|
33
|
32
|
21
|
20
|
28
|
21
|
16
|
7
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Composite Panel Systems, LLC | 38 |
8 |
| The Boeing Company | 20163 |
6 |
| Peikko Group Oy | 171 |
6 |
| Atricon AB | 11 |
4 |
| Plastic Ties Technologies LLC | 8 |
4 |
| Illinois Tool Works Inc. | 11866 |
3 |
| Blade Dynamics Limited | 133 |
3 |
| SABIC Global Technologies B.V. | 4599 |
3 |
| Technische Universiteit Delft | 764 |
3 |
| University of Canterbury | 36 |
3 |
| University of Maryland, College Park | 1085 |
3 |
| Valmont Industries, Inc. | 470 |
3 |
| 9306-1695 Quebec Inc. | 3 |
3 |
| Isotruss Industries LLC | 9 |
3 |
| Loggo IP Pty Ltd in its Capacity AS Trustee for Thornton IP Trust | 16 |
3 |
| Envirobon, Inc. | 18 |
3 |
| CertainTeed Corporation | 205 |
2 |
| CIFA SpA | 52 |
2 |
| Doka GmbH | 168 |
2 |
| Jack Walters & Sons, Corp. | 13 |
2 |
| Other owners | 153 |