- All sections
- E - Fixed constructions
- E04B - General building constructionswalls, e.g. partitionsroofsfloorsceilingsinsulation or other protection of buildings
- E04B 9/22 - Connection of slabs, sheets or the like to the supporting construction
Patent holdings for IPC class E04B 9/22
Total number of patents in this class: 201
10-year publication summary
|
17
|
18
|
14
|
23
|
13
|
14
|
24
|
4
|
15
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AFI Licensing LLC | 234 |
29 |
| Armstrong World Industries, Inc. | 348 |
14 |
| CertainTeed Ceilings Corporation | 106 |
12 |
| Saint-Gobain Ecophon AB | 182 |
12 |
| USG Interiors, LLC | 312 |
9 |
| Les Plafonds Embassy Inc. / Embassy Ceiling Inc. | 9 |
7 |
| Panasonic Intellectual Property Management Co., Ltd. | 33033 |
6 |
| Certainteed Canada, Inc. | 60 |
6 |
| USG Interiors, Inc. | 43 |
5 |
| Rockwool A/S | 813 |
5 |
| Rockwool A/S | 12 |
5 |
| Les Plafonds Embassy Inc. | 5 |
4 |
| Worthington Armstrong Venture | 117 |
4 |
| ROCKWOOL International A/S | 295 |
4 |
| Guangzhou Guangjing Decoration Material Co., Ltd. | 3 |
3 |
| Westlake Royal Building Products Inc. | 216 |
3 |
| Airbus Operations GmbH | 3391 |
2 |
| ArcelorMittal Dudelange S.A. | 5 |
2 |
| Arktura, LLC | 148 |
2 |
| Axis Lighting Inc. | 76 |
2 |
| Other owners | 65 |