- 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: 606
10-year publication summary
43
|
55
|
49
|
70
|
81
|
48
|
52
|
56
|
35
|
25
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Armstrong World Industries, Inc. | 357 |
34 |
FUJIFILM Corporation | 29305 |
30 |
CertainTeed Gypsum, Inc. | 206 |
18 |
AFI Licensing LLC | 224 |
17 |
USG Interiors, LLC | 309 |
17 |
Knauf Gips KG | 602 |
15 |
Pacific Coast Building Products, Inc. | 124 |
12 |
Gold Bond Building Products, LLC | 195 |
12 |
Eleda S.r.l. | 30 |
10 |
Mitsubishi Chemical Corporation | 4493 |
8 |
Rockwool A/S | 781 |
8 |
3m Innovative Properties Company | 17857 |
7 |
CertainTeed Ceilings Corporation | 103 |
7 |
Louisiana-Pacific Corporation | 256 |
7 |
Saint-Gobain Ecophon AB | 175 |
7 |
Yoshino Gypsum Co., Ltd. | 250 |
7 |
Saint-Gobain Placo | 223 |
6 |
Shizuka Co., Ltd. | 11 |
6 |
Saint-Gobain Isover | 633 |
5 |
Saint-Gobain Placo SAS | 153 |
5 |
Other owners | 368 |