- 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: 294
10-year publication summary
|
25
|
27
|
23
|
26
|
25
|
33
|
18
|
34
|
28
|
19
|
| 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 |
16 |
| Louisiana-Pacific Corporation | 311 |
12 |
| Owens Corning Intellectual Capital, LLC | 1731 |
11 |
| AFI Licensing LLC | 240 |
6 |
| Dow Global Technologies LLC | 10960 |
5 |
| Saint-Gobain Isover | 678 |
5 |
| Armstrong World Industries, Inc. | 369 |
4 |
| Propst Family Limited Partnership | 15 |
4 |
| DDP Specialty Electronic Materials US, LLC | 843 |
4 |
| Tremco CPG Inc. | 310 |
4 |
| Anhamm GmbH | 3 |
3 |
| Johns Manville | 920 |
3 |
| Kingspan Holdings (IRL) Limited | 484 |
3 |
| LG Hausys, Ltd. | 806 |
3 |
| Sika Technology AG | 3006 |
3 |
| Rockwool A/S | 838 |
3 |
| Mac Investments B.V. | 3 |
3 |
| Envirograf Limited | 15 |
3 |
| Amrize Technology Switzerland LLC | 718 |
3 |
| Georgia-Pacific Gypsum LLC | 224 |
2 |
| Other owners | 194 |