Patent holdings for IPC class E02D 3/12

Total number of patents in this class: 519

10-year publication summary

41
55
48
44
45
39
45
41
32
31
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Soletanche Freyssinet
480
18
Geopier Foundation Company, Inc.
142
14
Bauer Spezialtiefbau GmbH
112
13
Kao Corporation
4962
10
Thur S.r.l.
16
9
Uretek Worldwide OY
16
9
Tenox Kyusyu Corporation
8
8
Beijing Hengxiang Hongye Foundation Reinforcement Technology Co., Ltd.
20
7
Aquadation, LLC
14
6
Keller Holding GmbH
26
6
Takeuchi Construction Co., Ltd.
8
6
Denka Company Limited
2580
5
Ecole Polytechnique Federale de Lausanne (epfl)
1535
5
Ingios Geotechnics, Inc.
14
5
Shandong University
1042
5
Soilmec S.p.A.
74
5
Arizona Board of Regents on behalf of Arizona State University
2635
4
Crown Products & Services, Inc.
12
4
Denki Kagaku Kogyo Kabushiki Kaisha
627
4
Fudo Tetra Corporation
9
4
Other owners 372