- All sections
- E - Fixed constructions
- E04C - Structural elementsbuilding materials
- E04C 2/52 - Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with special adaptations for auxiliary purposes, e.g. serving for locating conduits
Patent holdings for IPC class E04C 2/52
Total number of patents in this class: 616
10-year publication summary
|
84
|
73
|
76
|
53
|
60
|
53
|
47
|
55
|
42
|
43
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Innovative Building Technologies, LLC | 66 |
16 |
| Zengcheng City Country Garden Property Development Company Limited | 67 |
14 |
| CertainTeed Gypsum, Inc. | 220 |
9 |
| Louisiana-Pacific Corporation | 309 |
9 |
| DIRTT Environmental Solutions, Ltd. | 307 |
8 |
| Reliance Worldwide Corporation | 352 |
8 |
| Wall to Wall, LLC | 26 |
8 |
| Specified Technologies Inc. | 87 |
7 |
| Gold Bond Building Products, LLC | 195 |
7 |
| Georgia-Pacific Gypsum LLC | 225 |
6 |
| Armstrong World Industries, Inc. | 368 |
6 |
| Saint-Gobain Placo | 274 |
6 |
| Steelcase Inc. | 1281 |
6 |
| AFI Licensing LLC | 238 |
5 |
| United States Gypsum Company | 927 |
5 |
| Innovative Structural Building Products, LLC | 8 |
5 |
| Framery Oy | 89 |
4 |
| Google LLC | 44482 |
4 |
| Knauf Gips KG | 642 |
4 |
| Owens Corning Intellectual Capital, LLC | 1725 |
4 |
| Other owners | 475 |