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Acoustics

Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application.
  
05/14/2015 > 7 patent applications in 6 patent subcategories.

20150129349 - Device for marine seismic explorations for deposits: An air gun for use in generating seismic energy impulses operable at pressures below 1000 psi that reduces high frequencies and cavitation around the discharge of the air gun in order to mitigate damage to the marine environment, the air gun providing a sliding seal at the firing piston, an... Agent:

20150129350 - Chestpiece of a stethoscope: A chestpiece of a stethoscope is disclosed herein. The stethoscope chestpiece includes a chestpiece body portion with an elongate recess disposed therein; a rotatable acoustic valve assembly rotatably disposed in the elongate recess of the chestpiece body portion, the rotatable acoustic valve assembly being selectively positionable between a first operative... Agent:

20150129351 - Dynamic acoustic waveguide: A loudspeaker and a method of operation which allow for the production and emphasis of extremely low bass tones. The loudspeaker generally is formed from a loudspeaker driver cone of conventional type which is placed in a very small enclosure with two waveguides attached thereto. A smaller balance waveguide is... Agent:

20150129352 - Sound reduction system: The disclosure relates to a sound reduction system comprising a sound reduction device. The sound reduction device comprises a sound reducing material. The system further comprises a channel wherein a gaseous medium is arranged to flow. The sound reduction device is mounted inside the channel, thereby placing the sound reducing... Agent:

20150129353 - Silencer system for a vacuum motor in a suction cleaner: The present invention relates to a silencer system for a vacuum motor in a suction cleaner, which may be constructed using only one or two parts to form a housing for the vacuum motor including the silencer system. The system may have a main fan silencer system for the main... Agent: Nilfisk-advance A/s

20150129355 - Composite sound absorber: A sound absorbing material comprising a nonwoven fibrous acoustic insulation material and a flow resistive nonwoven facing, wherein the flow resistive nonwoven facing is bonded to the insulation material and has an air flow resistance of from about 600 to about 1800 Rayls and a surface mass of from about... Agent:

20150129354 - Thermo-acoustic protection structure for a rotating machine: The application provides a thermo-acoustic protection structure for a rotating machine. The thermo-acoustic protection structure includes an upper wall and a parallel lower wall, and between them is placed at least one acoustic absorbent material. The upper wall and the lower wall being connected with at least one connecting element... Agent:

  
05/07/2015 > 5 patent applications in 5 patent subcategories.

20150122574 - Airgun operating chamber liners: Various implementations described herein are directed to a method of performing a seismic survey operation. The method may include receiving a target acoustic output for a seismic survey. The method may include selecting an operating chamber liner for an airgun to be used in a seismic survey that corresponds to... Agent:

20150122575 - Sound amplification box and sound amplification device including the same: Provided are a sound amplification box and a sound amplification device. The sound amplification box includes a body including a predetermined resonance space therein and having a surface contacting an electronic device, a resonance hole formed in at least one surface of the body, and a vibration transmission part in... Agent:

20150122576 - Silencer duct for ship's propeller using resonant barrels: The present invention relates to a silencer duct for a ship's propeller using resonant barrels, wherein the ship's propeller is surrounded by the silencer duct so as to deaden underwater noises of various frequencies generated by the propeller, the duct being made into a cylindrical form to surround the propeller... Agent:

20150122577 - Low frequency acoustic attenuator and process for making same: A method of manufacturing an acoustic attenuation device includes three-dimensionally printing a pair of sheets and webs that cooperate with the sheets to define attenuation chambers. Each chamber has at least one opening through which excited air resonates.... Agent:

20150122578 - Audio device: An acoustic device is provided with an outer casing comprising a molded article which is made of a resin composition having a loss factor of 0.04 or more, the resin composition comprising a resin component comprising poly(lactic acid) and/or a lactic acid copolymer in an amount of 50% by weight... Agent:

  
04/30/2015 > 2 patent applications in 2 patent subcategories.

20150114750 - Exhaust muffler for vehicle: An exhaust muffler for a vehicle includes a muffler body coupled to an exhaust pipe and a tailpipe coupled to the muffler body. The muffler body has a plurality of expansion chambers, an exit communication pipe that discharges exhaust to the tailpipe from one of the plurality of expansion chambers... Agent: Kawasaki Jukogyo Kabushiki Kaisha

20150114751 - Soundproofing covering having resonators, a panel provided with the covering, and an aircraft: A soundproofing covering (10) having resonators (30). Said covering (10) comprises a trellis (20) provided with at least two resonators (30) and at least one stud (50) for fastening at least two resonators (30) to a panel (5) that is to be treated, each resonator (30) including a blade (31)... Agent:

  
04/25/2015 > 2 patent applications in 2 patent subcategories.
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