- All sections
- E - Fixed constructions
- E04B - General building constructionswalls, e.g. partitionsroofsfloorsceilingsinsulation or other protection of buildings
- E04B 9/30 - CeilingsConstruction of ceilings, e.g. false ceilingsCeiling construction with regard to insulation characterised by edge details of the ceiling, e.g. securing to an adjacent wall
Patent holdings for IPC class E04B 9/30
Total number of patents in this class: 169
10-year publication summary
|
23
|
23
|
34
|
26
|
13
|
12
|
9
|
7
|
7
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| USG Interiors, LLC | 315 |
31 |
| Normalu | 130 |
22 |
| AFI Licensing LLC | 240 |
12 |
| Worthington Armstrong Venture | 120 |
11 |
| Normalu SAS | 19 |
7 |
| Armstrong World Industries, Inc. | 369 |
6 |
| Rockwool A/S | 842 |
6 |
| Kvadrat Acoustics A/S | 8 |
6 |
| Kvadrat Soft Cells A/S | 16 |
5 |
| CertainTeed Ceilings Corporation | 109 |
4 |
| Knauf Gips KG | 643 |
3 |
| Newmat, SA | 4 |
2 |
| Saint-Gobain Ecophon AB | 187 |
2 |
| Studform Pty Ltd | 5 |
2 |
| United States Gypsum Company | 943 |
2 |
| USG Interiors, Inc. | 42 |
2 |
| ROCKWOOL International A/S | 275 |
2 |
| Falkbuilt Ltd. | 15 |
2 |
| Clipso Productions | 9 |
2 |
| Legacy Building Solutions, LLC | 6 |
2 |
| Other owners | 38 |