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  • All sections
  • E - Fixed constructions
  • E02C - Ship-lifting devices or mechanisms
  • E02C 1/00 - LocksShaft locks, i.e. locks of which one front side is formed by a solid wall with an opening in the lower part through which the ships pass

Patent holdings for IPC class E02C 1/00

Total number of patents in this class: 20

10-year publication summary

0
1
2
0
0
0
0
5
5
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
CCCC Second Harbor Engineering Co., Ltd.
35
3
The First Construction Company of CCCC Second Harbor Engineering Co., Ltd
5
3
CCCC Fourth Harbor Engineering Co., Ltd.
26
2
The Third Engineering Company of CCCC Fourth Harbor Engineering Co., Ltd.
3
2
U.S. Geological Survey
12
1
Sahlin Fastigheter AB
1
1
CCCC Fourth Harbor Engineering Institute Co., Ltd.
10
1
China Harbour Engineering Company Ltd.
88
1
CCCC Third Harbor Engineering Co., Ltd.
49
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
CCCC Wuhan Zhixing International Engineering Consulting Co., Ltd.
1
1
Hunan Navigation Engineering Co., Ltd
1
1
Hunan Water Transport Construction Investment Group Co., Ltd
1
1
Other owners 0

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