Patent holdings for IPC class E04C 5/01

Total number of patents in this class: 236

10-year publication summary

21
21
27
15
20
22
22
9
12
6
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
NV Bekaert SA
744
30
CCL Stressing International Limited
28
8
re-Fer AG
14
7
SWIMC, LLC
2521
6
Hacanoka GmbH
13
5
Cent & Cent GmbH & Co KG
6
4
Vector Corrosion Technologies Ltd.
41
4
Nippon Telegraph and Telephone Corporation
16975
3
Inventio AG
2389
3
Korea Institute of Civil Engineering and Building Technology
134
3
Optimet Concrete Products Inc.
3
3
Svensk Cellarmering Fabrik AB
3
3
Sumitomo Electric Industries, Ltd.
15659
2
Hilti Aktiengesellschaft
3515
2
The Board of Trustees of the University of Illinois
2711
2
Convergent Market Research, Inc.
9
2
CPC AG
11
2
Eidgenossische Materialprufungs- und Forschungsanstalt EMPA
13
2
EMPA
13
2
Hohmann & Barnard, Incorporated
136
2
Other owners 141