Patent holdings for IPC class E04G 23/02

Total number of patents in this class: 913

10-year publication summary

81
106
95
109
82
85
91
64
60
43
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
CFS Concrete Forming Systems Inc.
94
27
Keiwa Inc.
201
20
Sika Technology AG
3002
16
Soletanche Freyssinet
492
12
Shanghai Jianwei Cultural Heritage Conservation Tech. Co., Ltd
27
11
3m Innovative Properties Company
17488
10
Nippon Telegraph and Telephone Corporation
15922
10
Denka Company Limited
2712
10
Intel Corporation
47102
8
Reddo Floor Solutions AB
18
8
Valinge Innovation AB
1028
7
Showa Denko K.K.
2072
6
DAP Products Inc.
18
6
Garland Industries, Inc.
103
6
Osmose Utilities Services, Inc.
142
6
re-Fer AG
14
6
Nippon Steel Chemical & Material Co., Ltd.
728
6
Carboshield, Inc.
11
6
Dai Nippon Printing Co., Ltd.
4237
5
CinTec International Limited
14
5
Other owners 722