Patents by Inventor Joseph J. Sredniawski

Joseph J. Sredniawski 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).

  • Multiple station gamma ray absorption contraband detection system
    Patent number: 5784430
    Abstract: A multiple station gamma ray absorption contraband detection system utilizes a proton source and disk-shaped target to provide a 360 degree resonant gamma ray cone which is suitable for use in four separate gamma ray absorption contraband detection stations simultaneously. The target has two beryllium walls coated with .sup.13 C and .sup.34 S so as to facilitate the detection of nitrogen and chlorine in a manner which reliably and effectively identifies contraband such as explosives and drugs via gamma ray absorption.
    Type: Grant
    Filed: April 16, 1996
    Date of Patent: July 21, 1998
    Assignee: Northrop Grumman Corporation
    Inventor: Joseph J. Sredniawski