- All sections
- E - Fixed constructions
- E04C - Structural elementsbuilding materials
- E04C 2/26 - 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
Patent holdings for IPC class E04C 2/26
Total number of patents in this class: 416
10-year publication summary
|
50
|
36
|
41
|
51
|
26
|
15
|
27
|
25
|
23
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Georgia-Pacific Gypsum LLC | 224 |
27 |
| United States Gypsum Company | 915 |
15 |
| Armstrong World Industries, Inc. | 369 |
13 |
| LG Hausys, Ltd. | 811 |
13 |
| Yoshino Gypsum Co., Ltd. | 264 |
11 |
| CertainTeed Gypsum, Inc. | 220 |
8 |
| Triton Mgo Products, LLC | 21 |
8 |
| Louisiana-Pacific Corporation | 308 |
7 |
| Gold Bond Building Products, LLC | 196 |
6 |
| AFI Licensing LLC | 237 |
5 |
| Valinge Photocatalytic AB | 22 |
5 |
| Conductive Composites Company IP, LLC | 21 |
4 |
| Schluter Systems L.P. | 86 |
4 |
| EPI 04, Inc. | 16 |
3 |
| James Hardie Technology Limited | 458 |
3 |
| Johns Manville | 922 |
3 |
| Knauf Gips KG | 641 |
3 |
| Litestone Holdings Pty Limited | 5 |
3 |
| Owens Corning Intellectual Capital, LLC | 1716 |
3 |
| Saint-Gobain Placo SAS | 158 |
3 |
| Other owners | 269 |