- All sections
- E - Fixed constructions
- E04C - Structural elementsbuilding materials
- E04C 2/296 - Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups , , , or of materials covered by one of these groups with a material not specified in one of these groups at least one of the materials being insulating composed of insulating material and non-metallic or unspecified sheet-material
Patent holdings for IPC class E04C 2/296
Total number of patents in this class: 273
10-year publication summary
|
33
|
25
|
27
|
23
|
26
|
25
|
32
|
18
|
29
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Composite Panel Systems, LLC | 37 |
15 |
| Louisiana-Pacific Corporation | 256 |
6 |
| Dow Global Technologies LLC | 10353 |
5 |
| Armstrong World Industries, Inc. | 357 |
5 |
| Saint-Gobain Isover | 632 |
5 |
| Holcim Technology Ltd. | 991 |
4 |
| Owens Corning Intellectual Capital, LLC | 1634 |
4 |
| Propst Family Limited Partnership | 15 |
4 |
| DDP Specialty Electronic Materials US, LLC | 830 |
4 |
| Dow Global Technologies Inc. | 837 |
3 |
| AFI Licensing LLC | 224 |
3 |
| Anhamm GmbH | 3 |
3 |
| FITS Holding B.V. | 20 |
3 |
| Johns Manville | 954 |
3 |
| Kingspan Holdings (IRL) Limited | 443 |
3 |
| LG Hausys, Ltd. | 822 |
3 |
| Sika Technology AG | 2855 |
3 |
| InnoVida Factories, Ltd. | 6 |
3 |
| Mac Investments B.V. | 3 |
3 |
| Tremco CPG Inc. | 309 |
3 |
| Other owners | 188 |