- 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: 782
10-year publication summary
|
64
|
66
|
76
|
97
|
87
|
63
|
56
|
63
|
42
|
15
|
| 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 | 29188 |
19 |
| Hilti Aktiengesellschaft | 3447 |
19 |
| AFI Licensing LLC | 223 |
18 |
| Knauf Gips KG | 581 |
17 |
| 3m Innovative Properties Company | 17848 |
14 |
| The Boeing Company | 19980 |
13 |
| Gold Bond Building Products, LLC | 192 |
13 |
| Armstrong World Industries, Inc. | 350 |
12 |
| Mitsubishi Chemical Corporation | 4473 |
11 |
| CertainTeed Ceilings Corporation | 103 |
9 |
| CertainTeed Gypsum, Inc. | 197 |
9 |
| Eleda S.r.l. | 29 |
9 |
| Turf Design, Inc. | 35 |
9 |
| DuPont Safety & Construction, Inc. | 670 |
9 |
| Knauf Insulation, Inc. | 188 |
8 |
| Pacific Coast Building Products, Inc. | 122 |
8 |
| Adidas AG | 1529 |
6 |
| Knauf Insulation SPRL | 173 |
6 |
| LG Hausys, Ltd. | 824 |
6 |
| Other owners | 532 |