- All sections
- B - Performing operationstransporting
- B63B - Ships or other waterborne vesselsequipment for shipping
- B63B 3/18 - Shells characterised by being formed predominantly of parts that may be developed into plane surfaces
Patent holdings for IPC class B63B 3/18
Total number of patents in this class: 5
10-year publication summary
|
3
|
0
|
0
|
2
|
0
|
0
|
0
|
0
|
0
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsui Engineering & Shipbuilding Co., Ltd. | 318 |
1 |
| ThyssenKrupp AG | 3266 |
1 |
| ThyssenKrupp Marine Systems GmbH | 264 |
1 |
| Northern Sound Limited | 1 |
1 |
| Totalenergies Onetech | 1256 |
1 |
| Other owners | 0 |