- All sections
- E - Fixed constructions
- E04B - General building constructions; walls, e.g. partitions; roofs; floors; ceilings; insulation or other protection of buildings
- E04B 2/82 - Removable non-load-bearing partitions; Partitions with a free upper edge characterised by the manner in which edges are connected to the building; Means therefor; Special details of easily-removable partitions
Patent holdings for IPC class E04B 2/82
Total number of patents in this class: 457
10-year publication summary
|
53
|
62
|
36
|
48
|
49
|
39
|
37
|
32
|
19
|
13
|
| 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 |
35 |
| Cemco, LLC | 123 |
25 |
| Hilti Aktiengesellschaft | 3227 |
22 |
| Won-Door Corporation | 114 |
16 |
| Krueger International, Inc. | 378 |
12 |
| Knauf Gips KG | 534 |
11 |
| Modernfold, Inc. | 53 |
9 |
| Allsteel Inc. | 21 |
8 |
| DIRTT Environmental Solutions Inc. | 59 |
7 |
| DORMA GmbH + Co. KG | 168 |
7 |
| Steelcase Inc. | 1361 |
6 |
| Lumon Invest Oy | 52 |
5 |
| Oldcastle BuildingEnvelope, Inc. | 67 |
5 |
| Siniat International SAS | 22 |
5 |
| Specified Technologies Inc. | 80 |
5 |
| Etex Building Performance International SAS | 61 |
5 |
| Advanced Equipment Corporation | 14 |
4 |
| Innovative Building Technologies, LLC | 70 |
4 |
| Teknion Limited | 66 |
4 |
| Solar Innovations LLC | 35 |
4 |
| Other owners | 258 |