- All sections
- B - Performing operations; transporting
- B63B - Ships or other waterborne vessels; equipment for shipping
- B63B 5/20 - Hulls characterised by their construction of non-metallic material made predominantly of concrete, e.g. reinforced built-up from elements in combination with elements of other materials
Patent holdings for IPC class B63B 5/20
Total number of patents in this class: 15
10-year publication summary
|
1
|
0
|
4
|
2
|
1
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2
|
1
|
1
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| University of Maine System Board of Trustees | 273 |
3 |
| Naval Energies | 39 |
3 |
| Seawind Ocean Technology Holding BV | 8 |
2 |
| Dragados, S.A. | 13 |
1 |
| Nippon Steel Corporation | 6000 |
1 |
| Saipem S.A. | 227 |
1 |
| Alen Co., Ltd. | 2 |
1 |
| Marinekorea Co., Ltd. | 1 |
1 |
| Neissekies Baustoffwerke GmbH | 1 |
1 |
| Fhecor Ingenieros y Consultores, S.A. | 3 |
1 |
| Other owners | 0 |