Patent holdings for IPC class E04B 2/78

Total number of patents in this class: 260

10-year publication summary

26
29
30
28
24
17
18
15
22
12
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Knauf Gips KG
654
19
Steelcase Inc.
1290
12
DIRTT Environmental Solutions, Ltd.
311
8
Fellowes, Inc.
373
7
Behr Process Corporation
178
6
Saint-Gobain Placo
279
6
Telling Industries, LLC
21
6
Eaton Intelligent Power Limited
6311
6
Hadley Industries Overseas Holdings Limited
39
5
Saint-Gobain Placo SAS
167
5
ClarkWestern Dietrich Building Systems LLC
110
4
Doka GmbH
178
4
Krueger International, Inc.
385
4
Series International, LLC
64
4
Beijing New Building Materials Public Limited Company
108
4
Manni Green Tech SRL
7
4
Pillar Patent Holdings LLC
6
4
Abatement Technologies, Inc.
41
3
Varidesk, LLC
91
3
Brandon C. Winn
6
3
Other owners 143