Patents by Inventor David Justus

David Justus 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).

  • Solid-state resistor for pulsed power machines
    Patent number: 9514864
    Abstract: A flexible solid-state resistor comprises a string of ceramic resistors that can be used to charge the capacitors of a linear transformer driver (LTD) used in a pulsed power machine. The solid-state resistor is able to absorb the energy of a switch prefire, thereby limiting LTD cavity damage, yet has a sufficiently low RC charge time to allow the capacitor to be recharged without disrupting the operation of the pulsed power machine.
    Type: Grant
    Filed: February 11, 2015
    Date of Patent: December 6, 2016
    Assignee: Sandia Corporation
    Inventors: Brian Stoltzfus, Mark E. Savage, Brian Thomas Hutsel, William E. Fowler, Keven Alan MacRunnels, David Justus, William A. Stygar
  • Solid-State Resistor for Pulsed Power Machines
    Publication number: 20150243413
    Abstract: A flexible solid-state resistor comprises a string of ceramic resistors that can be used to charge the capacitors of a linear transformer driver (LTD) used in a pulsed power machine. The solid-state resistor is able to absorb the energy of a switch prefire, thereby limiting LTD cavity damage, yet has a sufficiently low RC charge time to allow the capacitor to be recharged without disrupting the operation of the pulsed power machine.
    Type: Application
    Filed: February 11, 2015
    Publication date: August 27, 2015
    Inventors: Brian Stoltzfus, Mark E. Savage, Brian Thomas Hutsel, William E. Fowler, Keven Alan MacRunnels, David Justus, William A. Stygar