- 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: 305
10-year publication summary
|
40
|
53
|
36
|
46
|
41
|
40
|
20
|
13
|
16
|
14
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DIRTT Environmental Solutions, Ltd. | 313 |
12 |
| Steelcase Inc. | 1337 |
12 |
| United States Gypsum Company | 910 |
11 |
| Acculign Holdings, Inc. | 12 |
8 |
| Knauf Gips KG | 584 |
8 |
| Innovative Building Technologies, LLC | 67 |
6 |
| DIRTT Environmental Solutions Inc. | 59 |
5 |
| Atricon AB | 10 |
5 |
| Abatement Technologies, Inc. | 42 |
4 |
| AFI Licensing LLC | 223 |
4 |
| Krueger International, Inc. | 369 |
4 |
| Ripstaal B.V. | 6 |
4 |
| Rite-Hite Holding Corporation | 645 |
4 |
| AAR Manufacturing, Inc. | 16 |
3 |
| CertainTeed Gypsum, Inc. | 205 |
3 |
| Kingspan Holdings (IRL) Limited | 440 |
3 |
| LIXIL Corporation | 693 |
3 |
| Mitek Holdings, Inc. | 252 |
3 |
| Saint-Gobain Isover | 630 |
3 |
| Saint-Gobain Placo | 220 |
3 |
| Other owners | 197 |