Patent holdings for IPC class E04B 2/02

Total number of patents in this class: 588

10-year publication summary

78
93
73
95
73
62
63
46
49
10
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Anchor Wall Systems, Inc.
227
23
Huber Engineered Woods LLC
128
13
Les Materiaux de Construction Oldcastle Canada Inc.
28
12
Keystone Retaining Wall Systems LLC
228
11
Pavestone, LLC
76
10
DuPont Safety & Construction, Inc.
676
9
Johns Manville
980
8
Tensar International Corporation
118
8
Asahi Kasei Homes Corporation
18
5
NV Bekaert SA
750
5
Oldcastle Architectural, Inc.
23
5
Renco World Corporation
15
5
3B Construction Solutions, Inc.
5
4
Covestro LLC
577
4
Fastbrick IP Pty Ltd
98
4
Sika Technology AG
2650
4
Ceramica Malpesa, S.A.
14
4
Max-Block Development L.L.C.
9
4
DDP Specialty Electronic Materials US, LLC
442
4
Advanced Architectural Products, LLC
72
3
Other owners 443