- All sections
- E - Fixed constructions
- E04B - General building constructionswalls, e.g. partitionsroofsfloorsceilingsinsulation or other protection of buildings
- E04B 9/20 - Means for suspending the supporting construction adjustable
Patent holdings for IPC class E04B 9/20
Total number of patents in this class: 88
10-year publication summary
|
8
|
9
|
5
|
19
|
11
|
6
|
12
|
9
|
4
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AFI Licensing LLC | 222 |
12 |
| Saint-Gobain Ecophon AB | 174 |
10 |
| Akoustos AB | 7 |
4 |
| Armstrong World Industries, Inc. | 347 |
4 |
| ASC Engineered Solutions, LLC | 295 |
4 |
| Gordon Sales, Inc. | 23 |
3 |
| Akifix S.p.A. Con Socio Unico | 3 |
3 |
| Mitek Holdings, Inc. | 248 |
2 |
| Saint-Gobain Placo | 212 |
2 |
| USG Interiors, LLC | 314 |
2 |
| The Viking Corporation | 169 |
2 |
| Worthington Armstrong Venture | 113 |
2 |
| USG Ceilings Plus, LLC | 13 |
2 |
| Polygrid Pty Ltd | 4 |
2 |
| META Platforms, Inc. | 7179 |
2 |
| A. Raymond et Cie | 714 |
1 |
| Air Distribution Technologies IP, LLC | 162 |
1 |
| ArcelorMittal Dudelange S.A. | 5 |
1 |
| CertainTeed Ceilings Corporation | 103 |
1 |
| Corruven Canada Inc. | 22 |
1 |
| Other owners | 27 |