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  • All sections
  • E - Fixed constructions
  • E02D - Foundationsexcavationsembankmentsunderground or underwater structures
  • E02D 15/02 - Handling of bulk concrete specially for foundation purposes

Patent holdings for IPC class E02D 15/02

Total number of patents in this class: 53

10-year publication summary

0
2
2
5
6
6
4
4
3
4
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
CCCC Fourth Harbor Engineering Co., Ltd.
31
3
Shell Internationale Research Maatschappij B.V.
3390
2
Shell Oil Company
2064
2
Shanghai Nuclear Engineering Research & Design Institute Co., Ltd.
90
2
Shanghai Construction Engineering Second Construction Group Co., Ltd
15
2
CCCC Fourth Harbor Engineering Institute Co., Ltd.
10
2
The Third Engineering Company of CCCC Fourth Harbor Engineering Co., Ltd.
3
2
Kellogg Brown & Root LLC
523
1
Korea Railroad Research Institute
184
1
Nantong University
277
1
Safekey Engineering Technology (zhengzhou), Ltd.
17
1
Shandong University
1160
1
State Grid Gansu Electric Power Corporation
25
1
Wang, Fuming
9
1
Vetco Gray, LLC
142
1
Qingdao University of Technology
645
1
Senterprisys Limited
4
1
Infrastructure Renewal Institute of Southern China
5
1
CCCC Second Harbor Engineering Co., Ltd.
37
1
China Gezhouba Group Three Gorges Construction Engineering Co., Ltd.
2
1
Other owners 25

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