- All sections
- E - Fixed constructions
- E04B - General building constructions; walls, e.g. partitions; roofs; floors; ceilings; insulation 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: 194
10-year publication summary
|
15
|
23
|
20
|
20
|
18
|
28
|
14
|
15
|
23
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AFI Licensing LLC | 204 |
27 |
| Armstrong World Industries, Inc. | 347 |
15 |
| CertainTeed Ceilings Corporation | 101 |
10 |
| Saint-Gobain Ecophon AB | 156 |
10 |
| Rockwool A/S | 753 |
10 |
| USG Interiors, LLC | 324 |
8 |
| Les Plafonds Embassy Inc. / Embassy Ceiling Inc. | 9 |
7 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
6 |
| Certainteed Canada, Inc. | 57 |
6 |
| USG Interiors, Inc. | 54 |
5 |
| Les Plafonds Embassy Inc. | 5 |
4 |
| ROCKWOOL International A/S | 323 |
4 |
| Worthington Armstrong Venture | 110 |
3 |
| Guangzhou Guangjing Decoration Material Co., Ltd. | 3 |
3 |
| Westlake Royal Building Products Inc. | 227 |
3 |
| Airbus Operations GmbH | 3188 |
2 |
| ArcelorMittal Dudelange S.A. | 5 |
2 |
| Arktura, LLC | 123 |
2 |
| Axis Lighting Inc. | 98 |
2 |
| CFS Concrete Forming Systems Inc. | 98 |
2 |
| Other owners | 63 |