Patent holdings for IPC class E04B 2/82

Total number of patents in this class: 468

10-year publication summary

62
36
48
50
39
37
33
21
21
1
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
DIRTT Environmental Solutions, Ltd.
320
35
Cemco, LLC
130
26
Hilti Aktiengesellschaft
3383
22
Won-Door Corporation
110
16
Knauf Gips KG
563
13
Krueger International, Inc.
373
12
Modernfold, Inc.
52
9
Allsteel Inc.
21
8
DIRTT Environmental Solutions Inc.
59
7
DORMA GmbH + Co. KG
131
7
Steelcase Inc.
1333
6
Lumon Invest Oy
53
5
Siniat International SAS
22
5
Specified Technologies Inc.
80
5
Etex Building Performance International SAS
67
5
Advanced Equipment Corporation
14
4
Oldcastle BuildingEnvelope, Inc.
61
4
Teknion Limited
70
4
Solar Innovations LLC
38
4
Abatement Technologies, Inc.
42
3
Other owners 268