Ship with a protection system making it unsinkable
US6327988A · kind A · utility
3Cited by
4References
10Claims
0Family size
Inventor
Key dates
| Filing date | Feb 12, 2001 |
| Grant date | Dec 11, 2001 |
| Priority date | — |
| Expiry date | Feb 12, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63B2231/50
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A watercraft, e.g. a passenger vessel, a ferry, a hazardous-substance freighter or the like, with a deck and with a buoyancy chamber in the deck, it being the case that, in a first operating state, the buoyancy chamber contains air, is characterized in that, in a second operating state, the buoyancy chamber is filled with a foam which has a high cell volume with closed cells and a dimensionally stable state of aggregation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.