LandOfFree - US Patents - Listing for Acoustics

Acoustics – Sound-modifying means – Muffler – fluid conducting type

Muffler with variable damping characteristics

Acoustics – Sound-modifying means – Muffler – fluid conducting type

Muffler with variable sound-absorbing characteristics

Acoustics – Sound-modifying means – Muffler – fluid conducting type

Muffler, especially for portable internal combustion engine

Acoustics – Sound-modifying means – Muffler – fluid conducting type

Muffler/exhaust extractor

Acoustics – Sound-modifying means – Muffler – fluid conducting type

Muffler/exhaust extractor and method

Mufflers

Acoustics – Auditorium

Acoustics – Sound-modifying means – Muffler – fluid conducting type

Mufflers for percussive pneumatic machines

Acoustics – Sound-modifying means – Muffler – fluid conducting type

Mufflers for use with engine retarders; and methods

Acoustics – Sound-modifying means – Muffler – fluid conducting type

Mufflers for use with engine retarders; and methods

Acoustics – Sound-modifying means – Muffler – fluid conducting type

Mufflers with enhanced acoustic performance at low and...

Acoustics – Sound-modifying means – Muffler – fluid conducting type

Muffling device for combustion engines

Acoustics – Sound-modifying means – Sound absorbing fence or screen

Muffling wall

Acoustics – Geophysical or subsurface exploration – Well logging

Multi channel borehole seismic surveying tool

Acoustics – Sound-modifying means – Sound absorbing panels

Multi layer sound-proofing structure

Acoustics – Sound-modifying means – Intensifying horn

Multi purpose headgear

Acoustics – Diaphragm and enclosure

Multi-chamber enclosure for loudspeakers

Multi-chamber muffler

Acoustics – Auditorium

Acoustics – Sound-modifying means – Muffler – fluid conducting type

Multi-chamber muffler with selective sound absorbent material pl

Acoustics – Sound-modifying means – Muffler – fluid conducting type

Multi-chambered muffler