- All sections
- E - Fixed constructions
- E04B - General building constructionswalls, e.g. partitionsroofsfloorsceilingsinsulation or other protection of buildings
- E04B 1/84 - Sound-absorbing elements
Patent holdings for IPC class E04B 1/84
Total number of patents in this class: 796
10-year publication summary
|
55
|
60
|
70
|
86
|
78
|
55
|
48
|
62
|
42
|
30
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| USG Interiors, LLC | 308 |
35 |
| FUJIFILM Corporation | 29702 |
19 |
| Hilti Aktiengesellschaft | 3515 |
19 |
| AFI Licensing LLC | 232 |
18 |
| Armstrong World Industries, Inc. | 351 |
17 |
| Knauf Gips KG | 609 |
17 |
| 3m Innovative Properties Company | 17770 |
14 |
| The Boeing Company | 20139 |
13 |
| Mitsubishi Chemical Corporation | 4583 |
13 |
| Gold Bond Building Products, LLC | 194 |
13 |
| Turf Design, Inc. | 38 |
11 |
| CertainTeed Ceilings Corporation | 105 |
9 |
| CertainTeed Gypsum, Inc. | 210 |
9 |
| Eleda S.r.l. | 30 |
9 |
| Saint-Gobain Isover | 644 |
9 |
| DuPont Safety & Construction, Inc. | 703 |
9 |
| Knauf Insulation, Inc. | 186 |
8 |
| Pacific Coast Building Products, Inc. | 122 |
8 |
| Adidas AG | 1598 |
6 |
| Knauf Insulation SPRL | 174 |
6 |
| Other owners | 534 |