Acoustic mats and methods for making the same
Acoustical panel comprising interlocking matrix of set...
Acoustical panel comprising interlocking matrix of set...
Damping structural substance and a damping coat forming method
Device to reduce the acoustical radiation from empty cans and co
Ejector and method for controlling jet engine noise
Light weight hybrid exhaust muffler
Method and apparatus for treating exhaust gases particularly for
Method for filtering ultrasonic noise within a fluid flow...
Method of acoustically insulating a toilet bowl
Method of filling cavities in workpieces or semi-finished produc
Method of reducing noise during throttling of vapor and gas stre
Method of reducing the overflying noise of airplanes having a pr
Noise abatement techniques and systems
Noise absorbing structure of instrument panel
Sound attenuating laminate installation for jet aircraft engines
Sound-suppressing and back pressure-reducing apparatus and metho