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Class Information
Number: 181/200
Name: Acoustics > Sound-modifying means > Housing or enclosure (e.g., sound confining and absorbing) > Machine type enclosure
Description: Subject matter wherein the enclosure is specially designed to confine an acoustic wave emitting device, which device does not form an element of this class type or is not claimed in combination with the subject matter of another class.

Sub-classes under this class:

Class Number Class Name Patents
181/202 Electical type devices (e.g., transformers, motors, etc.) 129
181/204 Internal-combustion engine 247
181/201 Offfice type devices (e.g., typewriters, teleprinters, etc.) 29
181/205 Partial enclosure or shroud 70
181/203 Reaction engine test chamber 13

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8689932 On-base enclosure Apr. 8, 2014
8662246 Domestic appliance having at least one noise-deadening and/or sound-insulating coating and associated production method Mar. 4, 2014
8640823 Device for reducing aerodynamic noise from an aircraft undercarriage Feb. 4, 2014
8631898 Method for attaching protective structure to feed beam, and protective structure in rock drilling rig Jan. 21, 2014
8590668 Construction machine with cab noise reduction device Nov. 26, 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
8408356 Storage box for electronic apparatus Apr. 2, 2013
8384270 Pressure-balanced electromechanical converter Feb. 26, 2013
8291698 Sound insulation cover Oct. 23, 2012
8215448 Sound damper for vehicle compressed air systems Jul. 10, 2012
8213176 Systems and methods for providing airflow Jul. 3, 2012
8196555 Engine room for construction equipment Jun. 12, 2012
8177023 Sound dampening housing for rock drill May. 15, 2012
8146707 Air conditioner Apr. 3, 2012
8144465 Fan assembly and electronic device incorporating the same Mar. 27, 2012
8136626 Mobile soundproof enclosure with changeable room geometry and optional ventilation noise cancelling device Mar. 20, 2012
8122997 Sound insulation structure with resonator Feb. 28, 2012
8104573 Heat shield and an insulating isolator for the heat shield Jan. 31, 2012
8074765 Sound absorbing structure of electronic equipment Dec. 13, 2011
8066086 Sleeve arrangement Nov. 29, 2011
8028793 Noise attenuating inserts for electronic equipment cabinets Oct. 4, 2011
8028801 Soundproof cover Oct. 4, 2011
8006800 Storage box for electronic apparatus Aug. 30, 2011
7986526 Acoustically absorptive apparatus for an electronics rack of a data center Jul. 26, 2011
7980356 Cladding part for component Jul. 19, 2011
7963363 Soundproof cover for automobiles Jun. 21, 2011
7958965 Storage box for electronic apparatus Jun. 14, 2011
7929295 Systems and methods for providing airflow Apr. 19, 2011
7905318 Storage box for electronic apparatus Mar. 15, 2011
7874400 Noise isolation device for swimming pool pumps and other machinery Jan. 25, 2011
7861804 Sleeve arrangement Jan. 4, 2011
7861822 Engine noise reduction apparatus Jan. 4, 2011
7845463 Low-noise machine package Dec. 7, 2010
7784584 Device for reducing noise and heat emissions Aug. 31, 2010
7712576 Sound absorbing structure of electronic equipment May. 11, 2010
7707711 Acoustic noise reduction in a computer system having a vented cover May. 4, 2010
7656660 Airflow arresting apparatus and method for facilitating cooling of an electronics rack of a data center Feb. 2, 2010
7646603 Noise-reducing attachment apparatus for heat exchanger door of an electronics rack of a data center Jan. 12, 2010
7635048 Sound suppression device for internal combustion engine system Dec. 22, 2009
7490697 Portable acoustic diffuser for portable generators Feb. 17, 2009
7481296 Sound reducing device for a coffee grinder and other kitchen appliances Jan. 27, 2009
7467687 Thermal--acoustic enclosure Dec. 23, 2008
7398855 Compressor sound attenuation enclosure Jul. 15, 2008
7379299 Noiseproofed and ventilated enclosure for electronics equipment May. 27, 2008
7379298 Noise proofed ventilated air intake chamber for electronics equipment enclosure May. 27, 2008
7357219 Sound attenuating cover for domestic air conditioner compressors Apr. 15, 2008
7334662 Equipment enclosure acoustical door with low impedance distributed air flow Feb. 26, 2008
7314113 Acoustic absorbers for use with computer cabinet fans and other cooling systems Jan. 1, 2008
7267196 Method and apparatus for reducing acoustic noise Sep. 11, 2007
7161801 Commutate silencer of computer system Jan. 9, 2007

1 2 3

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