Patent holdings for IPC class E04F 19/02

Total number of patents in this class: 274

10-year publication summary

29
26
22
47
19
22
17
15
15
10
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Alabama Metal Industries Corporation
107
9
Zengcheng City Country Garden Property Development Company Limited
67
9
CertainTeed Gypsum, Inc.
206
8
James Hardie Technology Limited
461
7
SAS IP, LLC
21
7
Wellington Investment Corporation
8
6
True Corners, LLC
12
6
Knauf Gips KG
602
5
Illinois Tool Works Inc.
11468
4
DIRTT Environmental Solutions, Ltd.
314
4
Dolby Laboratories Licensing Corporation
4126
4
E-Z Bead LLC
20
4
Easytrim Reveals Inc.
64
4
IG Creative Solutions, Inc.
8
4
McCue Corporation
93
4
DuPont Safety & Construction, Inc.
683
4
Amundson Technology, LLC
13
4
Bailey Metal Products Limited
82
3
CertainTeed Corporation
245
3
Itasca Plastics Incorporated
4
3
Other owners 172