- All sections
- E - Fixed constructions
- E04B - General building constructionswalls, e.g. partitionsroofsfloorsceilingsinsulation or other protection of buildings
- E04B 1/86 - Sound-absorbing elements slab-shaped
Patent holdings for IPC class E04B 1/86
Total number of patents in this class: 641
10-year publication summary
|
55
|
49
|
70
|
81
|
48
|
52
|
57
|
38
|
45
|
20
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Armstrong World Industries, Inc. | 369 |
41 |
| FUJIFILM Corporation | 30594 |
30 |
| USG Interiors, LLC | 315 |
20 |
| AFI Licensing LLC | 240 |
19 |
| CertainTeed Gypsum, Inc. | 222 |
18 |
| Knauf Gips KG | 643 |
15 |
| Rockwool A/S | 842 |
14 |
| Pacific Coast Building Products, Inc. | 119 |
12 |
| Gold Bond Building Products, LLC | 194 |
11 |
| Eleda S.r.l. | 31 |
10 |
| Mitsubishi Chemical Corporation | 4734 |
9 |
| Saint-Gobain Ecophon AB | 187 |
8 |
| 3m Innovative Properties Company | 17458 |
7 |
| CertainTeed Ceilings Corporation | 109 |
7 |
| Louisiana-Pacific Corporation | 314 |
7 |
| Saint-Gobain Placo | 277 |
6 |
| Shizuka Co., Ltd. | 11 |
6 |
| United States Gypsum Company | 938 |
6 |
| Certainteed Canada, Inc. | 56 |
5 |
| Saint-Gobain Isover | 682 |
5 |
| Other owners | 385 |