Patent holdings for IPC class E04G 23/02

Total number of patents in this class: 904

10-year publication summary

92
81
106
96
109
82
85
91
62
43
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
CFS Concrete Forming Systems Inc.
97
31
Keiwa Inc.
182
19
Sika Technology AG
2858
19
Soletanche Freyssinet
480
13
3m Innovative Properties Company
17849
10
Nippon Telegraph and Telephone Corporation
17337
10
Denka Company Limited
2566
10
Reddo Floor Solutions AB
22
10
Shanghai Jianwei Cultural Heritage Conservation Tech. Co., Ltd
22
9
Intel Corporation
46962
8
Osmose Utilities Services, Inc.
149
7
Showa Denko K.K.
2244
6
CinTec International Limited
15
6
DAP Products Inc.
22
6
Garland Industries, Inc.
94
6
re-Fer AG
14
6
Valinge Innovation AB
980
6
Nippon Steel Chemical & Material Co., Ltd.
647
6
Carboshield, Inc.
11
6
Dai Nippon Printing Co., Ltd.
4081
5
Other owners 705