Patents by Inventor David S. Downs

David S. Downs 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).

  • Electric initiator containing polymeric sulfur nitride
    Patent number: 4206705
    Abstract: Polymeric sulfur nitride (SN).sub.x is utilized as the conducting explosive aterial in electric initiators.
    Type: Grant
    Filed: June 19, 1978
    Date of Patent: June 10, 1980
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Zafar Iqbal, Harry D. Fair, Jr., David S. Downs
  • Oxygen rich igniter compositions
    Patent number: H285
    Abstract: Low (thermal) Vulnerability Ammunition or LOVA is more responsive to the rmal stimulation of the igniter compositions disclosed herein. The igniter compositions of this invention generate oxygen rich flames upon decomposition. Such igniter compositions comprise nitrocellulose, nitroglycerine, potassium perchlorate and ethyl centralite. An agent comprising one or more titanate salts and/or carbon black may optionally be included in such compositions to the extent of about 0.35% w/w. Such compositions can be extruded and utilized in strand form.
    Type: Grant
    Filed: March 5, 1986
    Date of Patent: June 2, 1987
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: David S. Downs, Carl H. Roller, Bernard Strauss