Patent holdings for IPC class E04C 5/12

Total number of patents in this class: 331

10-year publication summary

33
43
59
45
28
30
41
27
24
7
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Soletanche Freyssinet
480
17
VSL International AG
86
16
Precision-Hayes International Inc.
40
14
Sorkin, Felix
28
13
Casne Verige Pty Ltd
13
10
Hohmann & Barnard, Incorporated
158
9
Danmarks Tekniske Universitet
902
8
Terracon Consultants, Inc.
42
7
CCL Stressing International Limited
24
6
Cetres Holdings, LLC
98
6
Wobben Properties GmbH
1207
6
Sika Technology AG
2650
5
Tokyo Rope Manufacturing Co., Ltd.
49
5
Sumitomo Electric Industries, Ltd.
14131
3
CPC AG
8
3
Dywidag-Systems International GmbH
70
3
Geotech Pty Ltd
3
3
Rayva International LLC
6
3
University of Canterbury
29
3
Hickory Design Pty Ltd
14
3
Other owners 188