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Class Information
Number: 181/289
Name: Acoustics > Sound-modifying means > Sound absorbing panels > Light permeable
Description: Subject matter which is translucent or transparent to visible radiation.










Patents under this class:

Patent Number Title Of Patent Date Issued
8651232 Reinforced acrylic glass panels Feb. 18, 2014
8033360 Interlayer film for laminated glass and laminated glass Oct. 11, 2011
7909133 Glazing unit having an improved vibroacoustic damping property, process for manufacturing such a glazing unit and process for acoustic protection in a vehicle passenger compartment Mar. 22, 2011
7886871 Interlayer film for laminated glass and laminated glass Feb. 15, 2011
7829192 Acoustic laminated glazing, acoustic interlayer and method for selecting the interlayer for optimal acoustic damping Nov. 9, 2010
7665574 Soundproofing restraining system Feb. 23, 2010
7568553 Noise barrier system composed of a base with a transparent superstructure Aug. 4, 2009
7546900 Panel assembly for traffic noise barrier wall Jun. 16, 2009
7537813 Sound-insulating glazing with thermoviscous losses May. 26, 2009
7352870 Active sound muffler and active sound muffling method Apr. 1, 2008
7322440 Ultralight trim composite Jan. 29, 2008
7121380 Soundproofing laminated window for vehicles Oct. 17, 2006
7021421 Transparent noise-barrier wall Apr. 4, 2006
6668974 Partitioned wave-guide sound insulation glazing Dec. 30, 2003
6351914 Light-transmitting building construction element Mar. 5, 2002
6186578 Fixed glazing in contact with a peripheral seal for improved acoustic protection Feb. 13, 2001
6098744 Thermal-and sound-insulating container of multilayer insulations Aug. 8, 2000
6074732 Soundproofing laminated window for vehicles Jun. 13, 2000
5965853 Sound absorbing aircraft transparency and method of making same Oct. 12, 1999
5942736 Antinoise barrier with transparent panels, provided with acoustic insulation and acoustic absorption characteristics Aug. 24, 1999
5532440 Light transmissive sound absorbing member Jul. 2, 1996
5368917 Acoustic protective glazing for a vehicle Nov. 29, 1994
5154953 Composite glazing panel Oct. 13, 1992
4829728 Soundproof structure for generic interior facing, and particularly for so-called open-space working, interiors May. 16, 1989
4787296 Ventilated soundproof glass Nov. 29, 1988
4607466 Method and apparatus for controlling reverberation of sound in enclosed environments Aug. 26, 1986
4600078 Sound barrier Jul. 15, 1986
4330046 Sound barrier May. 18, 1982
4278146 Sound barrier Jul. 14, 1981
4275801 Noise and heat insulating structural component Jun. 30, 1981
4261433 Acoustical-reflective ceiling construction Apr. 14, 1981
4226299 Acoustical panel Oct. 7, 1980
4019295 Light transmitting panel with sound damping properties Apr. 26, 1977











 
 
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