- All sections
- E - Fixed constructions
- E02C - Ship-lifting devices or mechanisms
- E02C 1/00 - Locks; Shaft 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: 3
10-year publication summary
|
1
|
0
|
0
|
1
|
2
|
0
|
0
|
0
|
0
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| U.S. Geological Survey | 10 |
1 |
| Sahlin Fastigheter AB | 1 |
1 |
| China Harbour Engineering Company Ltd. | 22 |
1 |
| Other owners | 0 |