Patent holdings for IPC class E02D 3/12

Total number of patents in this class: 494

10-year publication summary

42
41
55
49
45
44
39
44
40
8
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Soletanche Freyssinet
480
17
Geopier Foundation Company, Inc.
149
15
Thur S.r.l.
20
12
Bauer Spezialtiefbau GmbH
111
11
Uretek Worldwide OY
19
10
Kao Corporation
4843
9
Tenox Kyusyu Corporation
7
7
Keller Holding GmbH
26
6
Aquadation, LLC
12
5
Denka Company Limited
2189
5
Denki Kagaku Kogyo Kabushiki Kaisha
680
5
Ecole Polytechnique Federale de Lausanne (epfl)
1434
5
Ingios Geotechnics, Inc.
13
5
Soilmec S.p.A.
78
5
Takeuchi Construction Co., Ltd.
6
5
Construction Research & Technology GmbH
640
4
Crown Products & Services, Inc.
13
4
Fudo Tetra Corporation
8
4
Shandong University
886
4
Wirtgen GmbH
507
4
Other owners 352