- All sections
- E - Fixed constructions
- E04C - Structural elementsbuilding materials
- E04C 3/12 - JoistsGirders, trusses, or truss-like structures, e.g. prefabricatedLintelsTransoms of wood, e.g. with reinforcements, with tensioning members
Patent holdings for IPC class E04C 3/12
Total number of patents in this class: 143
10-year publication summary
|
20
|
28
|
17
|
13
|
16
|
11
|
12
|
6
|
15
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stora Enso Oyj | 1653 |
14 |
| Loggo IP Pty Ltd in its Capacity AS Trustee for Thornton IP Trust | 16 |
9 |
| Modvion AB | 18 |
6 |
| Pacific Woodtech Corporation | 40 |
4 |
| Simpson Strong-Tie Company, Inc. | 743 |
4 |
| Mitek Holdings, Inc. | 248 |
3 |
| Knapp GmbH | 32 |
3 |
| T3 Building Solutions Limited | 3 |
3 |
| Envirobon, Inc. | 18 |
3 |
| Illinois Tool Works Inc. | 11863 |
2 |
| Columbia Insurance Company | 1455 |
2 |
| Fox Hardwood Lumber Company, L.L.C. | 42 |
2 |
| National Cheng Kung University | 632 |
2 |
| Sekisui House, Ltd. | 268 |
2 |
| Sika Technology AG | 3004 |
2 |
| Solive Ajourée 2000 Inc., | 6 |
2 |
| Universitat Stuttgart | 271 |
2 |
| University of Canterbury | 36 |
2 |
| Weyerhaeuser Company | 64 |
2 |
| Wolf Modul GmbH | 6 |
2 |
| Other owners | 72 |