Pressure lock marine horn
US7980193B1 · kind B1 · utility
0Cited by
9References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 9, 2009 |
| Grant date | Jul 19, 2011 |
| Priority date | — |
| Expiry date | Oct 31, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10K9/18
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A marine horn has a horn path with a pressure lock chamber blocking water which has ingressed the horn outlet mouth from reaching the sound source along the horn path.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.