- All sections
- E - Fixed constructions
- E04C - Structural elementsbuilding materials
- E04C 3/294 - JoistsGirders, trusses, or truss-like structures, e.g. prefabricatedLintelsTransoms built-up from parts of different materials the materials being steel and concrete of concrete combined with a girder-like structure extending laterally outside the element
Patent holdings for IPC class E04C 3/294
Total number of patents in this class: 28
10-year publication summary
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1
|
1
|
1
|
4
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6
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6
|
1
|
0
|
1
|
1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Valmont Industries, Inc. | 451 |
3 |
| Filigran Tragersysteme GmbH & Co. KG | 16 |
2 |
| Simpson Strong-Tie Company, Inc. | 730 |
2 |
| Illinois Tool Works Inc. | 11492 |
1 |
| Areva GmbH | 90 |
1 |
| Bailey Metal Products Limited | 82 |
1 |
| Composite Building Systems, Inc. | 4 |
1 |
| Ibanez Lazurtegui, S.L. | 2 |
1 |
| JFE Steel Corporation | 6892 |
1 |
| LEONE, Lucio | 1 |
1 |
| Novel Structures LLC | 2 |
1 |
| Onx, Inc. | 32 |
1 |
| Pfeifer Holding GmbH & Co. KG | 37 |
1 |
| Plattforms, Inc. | 3 |
1 |
| Takenaka Corporation | 50 |
1 |
| Changgunenc | 1 |
1 |
| FSC Technologies, LLC | 6 |
1 |
| Gruppo Piccini S.P.A. | 5 |
1 |
| Invent to Build Inc. | 17 |
1 |
| JFE Metal Products Corporation | 13 |
1 |
| Other owners | 4 |