Patent holdings for IPC class E04B 2/02

Total number of patents in this class: 636

10-year publication summary

89
69
90
63
59
61
52
58
51
38
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Anchor Wall Systems, Inc.
182
23
Les Materiaux de Construction Oldcastle Canada Inc.
26
12
Keystone Retaining Wall Systems LLC
216
11
Pavestone, LLC
77
11
DuPont Safety & Construction, Inc.
703
9
Johns Manville
952
8
Tensar International Corporation
134
8
Fastbrick IP Pty Ltd
114
7
Asahi Kasei Homes Corporation
23
5
NV Bekaert SA
744
5
Oldcastle Architectural, Inc.
19
5
Renco World Corporation
15
5
Cast Stonescapes, LLC
7
5
Advanced Architectural Products, LLC
77
4
Covestro LLC
586
4
Huber Engineered Woods LLC
103
4
DDP Specialty Electronic Materials US, LLC
840
4
Gold Bond Building Products, LLC
194
4
3B Construction Solutions, Inc.
4
3
Anenda Systems Inc.
23
3
Other owners 496