LandOfFree - US Patents - Listing for Acoustics,Sound-modifying means

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

Muffler/exhaust extractor

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

Muffler/exhaust extractor and method

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 – Sound-modifying means – Sound absorbing panels

Multi layer sound-proofing structure

Acoustics – Sound-modifying means – Intensifying horn

Multi purpose headgear

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

Acoustics – Sound-modifying means – Sound absorbing panels

Multi-component acoustically resistive layer for acoustical...

Acoustics – Sound-modifying means – Sound absorbing panels

Multi-composite acoustic panel

Acoustics – Sound-modifying means – Sound absorbing panels

Multi-density sound attenuating laminates and methods of...

Acoustics – Sound-modifying means – Sound absorbing panels

Multi-density sound attenuating laminates and methods of...

Acoustics – Sound-modifying means – Housing or enclosure

Multi-driver speaker system

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

Multi-duct muffler

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

Multi-ducts sound eliminator for air pipe