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