Patents by Inventor Akbar Mahvashmohammadi

Akbar Mahvashmohammadi 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).

  • Compressed elastomer damper for earthquake hazard reduction
    Patent number: 8844205
    Abstract: A passive damper for earthquake hazard reduction includes an inner member received in an outer member, with an elastomeric material disposed in the gaps between the inner and outer member. The elastomeric material has at least a first and a second portion. The first portion is bonded or connected to both the inner member and outer member such that no slippage occurs between the members and the material. The second portion is not bonded or connected to at least one of the inner and outer members such that slippage may occur.
    Type: Grant
    Filed: January 7, 2013
    Date of Patent: September 30, 2014
    Assignees: The Penn State Research Foundation, Lehigh University
    Inventors: Robert J. Michael, Shannon K. Sweeney, Ernest B. Ferro, Richard Sause, Jr., James M. Ricles, Akbar Mahvashmohammadi, Jeffrey A. Ferro