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Class Information
Number: 181/294
Name: Acoustics > Sound-modifying means > Sound absorbing panels > Materials
Description: Subject matter characterized by the particular sound absorbing material used to form the product.










Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
8684135 Sound barriers made from scrap and waste materials Apr. 1, 2014
8678133 Sound attenuating laminate materials Mar. 25, 2014
8662245 Frequency response treatment of wood paneling Mar. 4, 2014
8657066 Noise dampening energy efficient enclosure, bulkhead and boot material Feb. 25, 2014
8627922 Laminated acoustic soundproofing panel Jan. 14, 2014
8607927 Composite flame barrier laminate for a thermal and acoustic insulation blanket Dec. 17, 2013
8607929 Acoustically tunable sound absorption articles and methods of making same Dec. 17, 2013
8607928 Composite flame barrier laminate for a thermal and acoustic insulation blanket Dec. 17, 2013
8607926 Composite flame barrier laminate for a thermal and acoustic insulation blanket Dec. 17, 2013
8590670 Sound proof membrane Nov. 26, 2013
8579080 Anti-noise panel Nov. 12, 2013
8556030 Ultrasonic attenuation materials Oct. 15, 2013
8556025 Method for manufacturing a dishwasher with at least one, especially prefabricated, bitumen mat for deadening of noise and/or sound absorption of a component Oct. 15, 2013
8544218 Acoustically insulating product Oct. 1, 2013
8534419 Composite sound absorber Sep. 17, 2013
8528862 Systems and methods for reducing noise in aircraft fuselages and other structures Sep. 10, 2013
8496088 Acoustic composite Jul. 30, 2013
8485315 Acoustic energy reflector Jul. 16, 2013
8479880 Multifunctional nano-skin articles and methods Jul. 9, 2013
8470921 Ultra-low permeability polymeric encapsulated acoustic device and method Jun. 25, 2013
8439161 Acoustically tunable sound absorption articles May. 14, 2013
8434591 Acoustic barrier May. 7, 2013
8413762 Thermal-acoustic sections for an aircraft Apr. 9, 2013
8403108 Acoustically tunable sound absorption articles and methods of making same Mar. 26, 2013
8397864 Acoustical sound proofing material with improved fire resistance and methods for manufacturing same Mar. 19, 2013
8387748 Composite laminate for a thermal and acoustic insulation blanket Mar. 5, 2013
8327977 Floor covering Dec. 11, 2012
8322487 Acoustically coupled non-woven composite Dec. 4, 2012
8307950 Sound barrier wall Nov. 13, 2012
8297555 Systems and methods for reducing noise in aircraft fuselages and other structures Oct. 30, 2012
8292027 Composite laminate for a thermal and acoustic insulation blanket Oct. 23, 2012
8276710 Method for producing a lightweight, sound insulating covering for motor vehicles and corresponding covering Oct. 2, 2012
8276711 Sound barrier wall Oct. 2, 2012
8240430 Noise and vibration mitigating mat Aug. 14, 2012
8230970 Sound barrier wall Jul. 31, 2012
8194879 Ultra-light sound insulator Jun. 5, 2012
8172040 Active/passive distributed absorber for vibration and sound radiation control May. 8, 2012
8167085 Non-combustible sound-absorbing facing May. 1, 2012
8133354 Acoustic ceiling tiles made with paper processing waste Mar. 13, 2012
8118136 Laminated perforated acoustical foam Feb. 21, 2012
8061478 Acoustic face of polymer and embedded coarse aggregates and an acoustic panel assembly Nov. 22, 2011
8051950 System for reducing acoustic energy Nov. 8, 2011
8042768 Systems and methods for reducing noise in aircraft fuselages and other structures Oct. 25, 2011
8028803 Molding a lightweight cast acoustical product Oct. 4, 2011
8016072 Composite headliner with improved acoustic performance Sep. 13, 2011
RE42634 Sound muffling material and method of making thereof Aug. 23, 2011
7984788 Laminated acoustic absorption sheet with flame retardant Jul. 26, 2011
7973106 Acrylate-based sound damping material and method of preparing same Jul. 5, 2011
7967108 Acoustic liners Jun. 28, 2011
7964519 Covering element comprising a sound absorbing element Jun. 21, 2011

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