- All sections
- E - Fixed constructions
- E04C - Structural elementsbuilding materials
- E04C 3/16 - JoistsGirders, trusses, or truss-like structures, e.g. prefabricatedLintelsTransoms of wood, e.g. with reinforcements, with tensioning members with apertured web, e.g. trusses
Patent holdings for IPC class E04C 3/16
Total number of patents in this class: 83
10-year publication summary
|
7
|
5
|
9
|
5
|
10
|
8
|
7
|
11
|
7
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitek Holdings, Inc. | 248 |
7 |
| United States Gypsum Company | 931 |
5 |
| Builders FirstSource, Inc. | 44 |
5 |
| Illinois Tool Works Inc. | 11864 |
4 |
| Valinge Innovation AB | 1028 |
4 |
| Frametec Alpha IP LLC | 13 |
4 |
| Patenttitoimisto T Poutanen Oy | 5 |
3 |
| University of Maryland, College Park | 1083 |
3 |
| Trussed Systems Limited | 3 |
3 |
| Cetres Holdings, LLC | 119 |
2 |
| Phylem Structures, S.L. | 10 |
2 |
| Patenttitoimisto T. Poutanen | 2 |
2 |
| Mighty Fire Breaker LLC | 96 |
2 |
| The Construction Engineering Company of Ctce Group | 10 |
2 |
| Byld IPCO LLC | 10 |
2 |
| China Railway No.4 Engineering Group Co., Ltd | 16 |
2 |
| The Board of Regents for Oklahoma State University | 150 |
1 |
| Boise Cascade Company a Delaware Corporation | 42 |
1 |
| Briggs Rainbow Buildings, Inc. | 1 |
1 |
| Dizenio Inc. | 7 |
1 |
| Other owners | 27 |