- All sections
- E - Fixed constructions
- E04B - General building constructionswalls, e.g. partitionsroofsfloorsceilingsinsulation or other protection of buildings
- E04B 2/82 - Removable non-load-bearing partitionsPartitions with a free upper edge characterised by the manner in which edges are connected to the buildingMeans thereforSpecial details of easily-removable partitions
Patent holdings for IPC class E04B 2/82
Total number of patents in this class: 472
10-year publication summary
|
36
|
48
|
50
|
39
|
38
|
33
|
22
|
27
|
11
|
15
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DIRTT Environmental Solutions, Ltd. | 311 |
35 |
| Cemco, LLC | 133 |
27 |
| Hilti Aktiengesellschaft | 3723 |
23 |
| Knauf Gips KG | 648 |
16 |
| Won-Door Corporation | 101 |
13 |
| Krueger International, Inc. | 381 |
12 |
| Modernfold, Inc. | 49 |
9 |
| DIRTT Environmental Solutions Inc. | 61 |
7 |
| Allsteel LLC | 15 |
7 |
| Steelcase Inc. | 1290 |
6 |
| Lumon Invest Oy | 60 |
5 |
| Siniat International SAS | 22 |
5 |
| Specified Technologies Inc. | 85 |
5 |
| Etex Building Performance International SAS | 81 |
5 |
| Advanced Equipment Corporation | 13 |
4 |
| DORMA GmbH + Co. KG | 122 |
4 |
| Gregory P. Luth & Associates, Inc. | 13 |
4 |
| Teknion Limited | 70 |
4 |
| Blach Construction Company | 10 |
4 |
| Solar Innovations LLC | 34 |
4 |
| Other owners | 273 |