Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Helmholtz resonator type marine signal

Helmholtz resonator type marine signal

US Patent 7360499 · Granted Apr 22, 2008

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Transducer motor structure and inside-only voice coil for use in loudspeakers2013
Compression driver and horn structure2013
Acoustic wave generating apparatus and method2009
Acoustic wave generating apparatus and method2008
Marine fog horn2007
Loudspeaker enclosure1989
Pressing cloth1987
Loud speaker with minimized magnetic leakage1986
Speaker system1984
Loud speaker with minimized magnetic leakage1983