Patents by Inventor Nick L. Purcell

Nick L. Purcell 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).

  • Shearing type ordnance venting device
    Patent number: 5035180
    Abstract: An ordnance venting system is provided to reduce the danger of explosion in rdnance items exposed to fires and includes an ordance item having a number of holes in the ordnance casing, each hole covered by a metallic patch having a different differential expansion in relation to the casing to provide shearing forces when subjected to high temperatures, and a means of attaching the patches to the casing over the holes.
    Type: Grant
    Filed: March 28, 1984
    Date of Patent: July 30, 1991
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Nick L. Purcell, Joseph A. Schmidt, John A. O'Malley
  • Bending type ordnance venting device
    Patent number: 5035182
    Abstract: An ordnance venting system is provided to reduce the danger of explosion in rdance items exposed to fires and includes an ordnance item having a number of holes in the ordance casing, each hole being covered by a bimetallic patch which will deform when subjected to high temperatures, and each patch being attached by means such as brazing, soldering or adhesive bonding.
    Type: Grant
    Filed: March 28, 1984
    Date of Patent: July 30, 1991
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Nick L. Purcell, Joseph A. Schmidt, John A. O'Malley