- All sections
- E - Fixed constructions
- E04B - General building constructionswalls, e.g. partitionsroofsfloorsceilingsinsulation or other protection of buildings
- E04B 2/72 - Walls of elements of relatively thin form
Patent holdings for IPC class E04B 2/72
Total number of patents in this class: 330
10-year publication summary
|
53
|
36
|
46
|
41
|
40
|
21
|
15
|
19
|
22
|
23
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DIRTT Environmental Solutions, Ltd. | 309 |
14 |
| United States Gypsum Company | 941 |
14 |
| Steelcase Inc. | 1288 |
12 |
| Acculign Holdings, Inc. | 12 |
8 |
| Knauf Gips KG | 645 |
8 |
| Innovative Building Technologies, LLC | 66 |
6 |
| Saint-Gobain Placo | 278 |
6 |
| AFI Licensing LLC | 241 |
5 |
| DIRTT Environmental Solutions Inc. | 61 |
5 |
| Atricon AB | 11 |
5 |
| Abatement Technologies, Inc. | 42 |
4 |
| Krueger International, Inc. | 380 |
4 |
| Ripstaal B.V. | 6 |
4 |
| Rite-Hite Holding Corporation | 682 |
4 |
| Etex Building Performance International SAS | 81 |
4 |
| AAR Manufacturing, Inc. | 16 |
3 |
| CertainTeed Gypsum, Inc. | 221 |
3 |
| Kingspan Holdings (IRL) Limited | 487 |
3 |
| LIXIL Corporation | 782 |
3 |
| Saint-Gobain Isover | 684 |
3 |
| Other owners | 212 |