The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 30, 2014
Filed:
Jan. 07, 2013
The Penn State Research Foundation, University Park, PA (US);
Robert J. Michael, Waterford, PA (US);
Shannon K. Sweeney, Erie, PA (US);
Ernest B. Ferro, Corry, PA (US);
Richard Sause, Jr., Hellertown, PA (US);
James M. Ricles, Bethlehem, PA (US);
Akbar Mahvashmohammadi, Bethlehem, PA (US);
Jeffrey A. Ferro, Corry, PA (US);
The Penn State Research Foundation, University Park, PA (US);
Lehigh University, Bethlehem, PA (US);
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.