- 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: 814
10-year publication summary
|
60
|
70
|
86
|
78
|
55
|
50
|
64
|
47
|
37
|
15
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| USG Interiors, LLC | 313 |
35 |
| FUJIFILM Corporation | 30244 |
19 |
| Hilti Aktiengesellschaft | 3586 |
19 |
| AFI Licensing LLC | 235 |
19 |
| Armstrong World Industries, Inc. | 359 |
17 |
| Knauf Gips KG | 633 |
16 |
| Turf Design, Inc. | 50 |
15 |
| The Boeing Company | 20097 |
13 |
| Mitsubishi Chemical Corporation | 4676 |
13 |
| Gold Bond Building Products, LLC | 197 |
13 |
| 3m Innovative Properties Company | 17512 |
11 |
| CertainTeed Ceilings Corporation | 107 |
9 |
| CertainTeed Gypsum, Inc. | 216 |
9 |
| Eleda S.r.l. | 31 |
9 |
| Saint-Gobain Isover | 667 |
9 |
| DuPont Safety & Construction, Inc. | 670 |
9 |
| Knauf Insulation, Inc. | 190 |
8 |
| Pacific Coast Building Products, Inc. | 119 |
8 |
| Adidas AG | 1674 |
6 |
| Knauf Insulation SPRL | 175 |
6 |
| Other owners | 551 |