- All sections
- E - Fixed constructions
- E04C - Structural elements; building 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: 574
10-year publication summary
|
68
|
69
|
84
|
73
|
76
|
52
|
58
|
53
|
44
|
20
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Innovative Building Technologies, LLC | 70 |
17 |
| Zengcheng City Country Garden Property Development Company Limited | 67 |
14 |
| Armstrong World Industries, Inc. | 347 |
7 |
| CertainTeed Gypsum, Inc. | 180 |
7 |
| Louisiana-Pacific Corporation | 203 |
7 |
| Reliance Worldwide Corporation | 303 |
7 |
| Specified Technologies Inc. | 80 |
7 |
| Georgia-Pacific Gypsum LLC | 204 |
6 |
| DIRTT Environmental Solutions, Ltd. | 329 |
6 |
| Steelcase Inc. | 1361 |
6 |
| Veev Group, Inc. | 42 |
6 |
| Knauf Gips KG | 534 |
5 |
| Innovative Structural Building Products, LLC | 8 |
5 |
| Hilti Aktiengesellschaft | 3227 |
4 |
| Beele Engineering B.V. | 146 |
4 |
| Google LLC | 38759 |
4 |
| Kingspan Research and Developments Limited | 39 |
4 |
| Norwood Architecture, Inc. | 33 |
4 |
| Owens Corning Intellectual Capital, LLC | 1456 |
4 |
| Saint-Gobain Placo | 176 |
4 |
| Other owners | 446 |