- All sections
- E - Fixed constructions
- E04B - General building constructions; walls, e.g. partitions; roofs; floors; ceilings; insulation 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: 291
10-year publication summary
|
46
|
40
|
53
|
36
|
46
|
41
|
39
|
20
|
12
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DIRTT Environmental Solutions, Ltd. | 329 |
12 |
| Steelcase Inc. | 1361 |
12 |
| United States Gypsum Company | 1019 |
9 |
| Acculign Holdings, Inc. | 12 |
8 |
| Innovative Building Technologies, LLC | 70 |
6 |
| Knauf Gips KG | 534 |
6 |
| DIRTT Environmental Solutions Inc. | 59 |
5 |
| Abatement Technologies, Inc. | 42 |
4 |
| AFI Licensing LLC | 204 |
4 |
| Krueger International, Inc. | 378 |
4 |
| Ripstaal B.V. | 6 |
4 |
| Rite-Hite Holding Corporation | 649 |
4 |
| Atricon AB | 9 |
4 |
| AAR Manufacturing, Inc. | 17 |
3 |
| CertainTeed Gypsum, Inc. | 180 |
3 |
| Kingspan Holdings (IRL) Limited | 389 |
3 |
| Progressive Foam Technologies, Inc. | 81 |
3 |
| Saint-Gobain Isover | 603 |
3 |
| Parador GmbH | 69 |
3 |
| Tomm Tech Pty Ltd | 9 |
3 |
| Other owners | 188 |