Patents by Inventor Roland Woodcock

Roland Woodcock has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Tunable sound absorbing and air filtering attenuating device
    Patent number: 6789646
    Abstract: Acoustical attenuating devices (52) and method of forming them. The attenuating devices (52) include an exterior layer (64), a sound absorption layer (66), and multiple perforated layers (68) coupled to the sound absorption layer (66). The perforated layers (68) include a perforated structural layer (70) and a perforated substrate layer (72). The perforated structural layer (70) and the perforated substrate layer (72) provide structural stiffness and define multiple resonating tubes (88) that attenuate sound.
    Type: Grant
    Filed: October 11, 2002
    Date of Patent: September 14, 2004
    Assignee: Lear Corporation
    Inventors: Shuo Wang, Gordon Ebbitt, Mark W. Fero, Roland Woodcock, Brian A. Cristea, Paul G. Deacon
  • Tunable sound absorbing and air filtering attenuating device
    Publication number: 20040069564
    Abstract: Acoustical attenuating devices (52) and method of forming them. The attenuating devices (52) include an exterior layer (64), a sound absorption layer (66), and multiple perforated layers (68) coupled to the sound absorption layer (66). The perforated layers (68) include a perforated structural layer (70) and a perforated substrate layer (72). The perforated structural layer (70) and the perforated substrate layer (72) provide structural stiffness and define multiple resonating tubes (88) that attenuate sound.
    Type: Application
    Filed: October 11, 2002
    Publication date: April 15, 2004
    Inventors: Shuo Wang, Gordon Ebbitt, Mark W. Fero, Roland Woodcock, Brian A. Cristea, Paul G. Deacon