Patents by Inventor David M Mellen

David M Mellen 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).

  • Broadband passive distributed tuned vibration and acoustic absorber for modally dense structures
    Patent number: 8025124
    Abstract: A passive distributed vibration absorber that utilizes multiple discrete mass elements and a viscoelastic layer and that effectively attenuates vibration in modally dense structures excited by a broadband input noise excitation. and is tunable to multiple natural frequencies in such modally dense vibrating structures including low frequencies.
    Type: Grant
    Filed: October 31, 2008
    Date of Patent: September 27, 2011
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Natalia V Levit, Mark Allan Lamontia, David M Mellen, Joseph A King, Jr., Kathleen Kondylas, Christopher R Fuller
  • BROADBAND PASSIVE DISTRIBUTED TUNED VIBRATION AND ACOUSTIC ABSORBER FOR MODALLY DENSE STRUCTURES
    Publication number: 20090113843
    Abstract: A passive distributed vibration absorber that utilizes multiple discrete mass elements and a viscoelastic layer and that effectively attenuates vibration in modally dense structures excited by a broadband input noise excitation and is tunable to multiple natural frequencies in such modally dense vibrating structures including low frequencies
    Type: Application
    Filed: October 31, 2008
    Publication date: May 7, 2009
    Inventors: Natalia V. Levit, Mark Allan Lamontia, David M. Mellen, Joseph A. King, JR., Kathleen Kondylas, Christopher R. Fuller