Patents by Inventor Nathan P. Williams

Nathan P. Williams 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).

  • Flow-through pyrotechnic delay
    Patent number: 4432202
    Abstract: A pyrotechnic delay system for controlling the time of events from initian of an initial ignition impulse to ignition of a secondary output.
    Type: Grant
    Filed: May 7, 1981
    Date of Patent: February 21, 1984
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Robert E. Betts, Nathan P. Williams, Arnold T. Stokes
  • Initiator for use in laser beam ignition of solid propellants
    Patent number: 4047483
    Abstract: An initiator that produces an intermediate combustion step in a system for gniting solid rocket propellant with a laser beam. The initiator comprises a pyrotechnic pellet which has a concave conical surface and a breakaway/burn center section. The pellet is positioned in a container which has a window. A laser beam is directed through the window, onto the conical surface, and initiates combustion of the pellet. The container restrains the pellet from moving during combustion.
    Type: Grant
    Filed: March 24, 1976
    Date of Patent: September 13, 1977
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Nathan P. Williams