Patents by Inventor Alfred W. Norris

Alfred W. Norris 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).

  • High altitude friction igniter
    Patent number: 3942445
    Abstract: A friction igniter assembly for high altitude operation having a pull wire oated with a scratch sensitive composition which is moved through a chlorate composition. The scratch sensitive composition containing red phosphorus reacts with the chlorate to provide a flash which transfers ignition to an adjacent boron-lead dioxide composition. The boron-lead dioxide composition is the main igniting charge and provides an intense output of heat in a very short time for igniting a pyrotechnic composition.
    Type: Grant
    Filed: September 18, 1974
    Date of Patent: March 9, 1976
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Charles Baker, Benjamin F. Harkness, Alfred W. Norris