Patent holdings for IPC class E02C 1/00

Total number of patents in this class: 14

10-year publication summary

0
0
1
2
0
0
0
0
5
1
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
CCCC Second Harbor Engineering Co., Ltd.
28
2
The First Construction Company of CCCC Second Harbor Engineering Co., Ltd
3
2
U.S. Geological Survey
11
1
Sahlin Fastigheter AB
1
1
CCCC Fourth Harbor Engineering Co., Ltd.
22
1
CCCC Fourth Harbor Engineering Institute Co., Ltd.
9
1
China Harbour Engineering Company Ltd.
62
1
CCCC Third Harbor Engineering Co., Ltd.
33
1
No.2 Engineering Co., Ltd. of CCCC Third Harbor Engineering Co., Ltd.
3
1
Hunan Provincial Water Transportation Construction & Investment Group Co, Ltd
1
1
The Third Engineering Company of CCCC Fourth Harbor Engineering Co., Ltd.
2
1
CCCC Wuhan Zhixing International Engineering Consulting Co., Ltd.
1
1
Other owners 0