- 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: 811
10-year publication summary
|
66
|
76
|
97
|
87
|
63
|
58
|
67
|
48
|
43
|
24
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| USG Interiors, LLC | 314 |
36 |
| FUJIFILM Corporation | 30512 |
19 |
| Hilti Aktiengesellschaft | 3662 |
19 |
| AFI Licensing LLC | 237 |
19 |
| Armstrong World Industries, Inc. | 369 |
19 |
| Knauf Gips KG | 642 |
16 |
| Turf Design, Inc. | 51 |
15 |
| The Boeing Company | 20160 |
13 |
| Mitsubishi Chemical Corporation | 4721 |
13 |
| Gold Bond Building Products, LLC | 195 |
13 |
| 3m Innovative Properties Company | 17488 |
12 |
| CertainTeed Ceilings Corporation | 110 |
9 |
| CertainTeed Gypsum, Inc. | 220 |
9 |
| Eleda S.r.l. | 31 |
9 |
| Saint-Gobain Isover | 678 |
9 |
| DuPont Safety & Construction, Inc. | 682 |
9 |
| Pacific Coast Building Products, Inc. | 119 |
8 |
| Adidas AG | 1727 |
6 |
| LG Hausys, Ltd. | 810 |
6 |
| Saint-Gobain Adfors | 127 |
6 |
| Other owners | 546 |