Patents by Inventor James Aadland

James Aadland 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).

  • Patent number: 7301750
    Abstract: An apparatus for electronically switching a detonation device is configured to arm an energy source upon receiving a first signal and discharge the energy source to the detonation device upon receiving and validating a second signal. An explosive device comprising a detonation device electrically coupled to an electronic switching device is also provided, wherein the switching device comprises a microcontroller configured to validate the first signal and the second signal. The detonation device may comprise a semiconductor bridge device configured to activate the explosive device upon receiving a charge across a first terminal and a second terminal from the switching device. Methods of operation are also disclosed.
    Type: Grant
    Filed: June 29, 2005
    Date of Patent: November 27, 2007
    Assignee: Alliant Techsystems Inc.
    Inventors: Derek DeVries, James Aadland, Daniel Holmes
  • Patent number: 6992877
    Abstract: An apparatus for electronically switching a detonation device is configured to arm an energy source upon receiving a first signal and discharge the energy source to the detonation device upon receiving and validating a second signal. An explosive device comprising a detonation device electrically coupled to an electronic switching device is also provided, wherein the switching device comprises a microcontroller configured to validate the first signal and the second signal. The detonation device may comprise a semiconductor bridge device configured to activate the explosive device upon receiving a charge across a first terminal and a second terminal from the switching device. Methods of operation are also disclosed.
    Type: Grant
    Filed: March 12, 2003
    Date of Patent: January 31, 2006
    Assignee: Alliant Techsystems Inc.
    Inventors: Derek DeVries, James Aadland, Daniel Holmes
  • Publication number: 20050252403
    Abstract: An apparatus for electronically switching a detonation device is configured to arm an energy source upon receiving a first signal and discharge the energy source to the detonation device upon receiving and validating a second signal. An explosive device comprising a detonation device electrically coupled to an electronic switching device is also provided, wherein the switching device comprises a microcontroller configured to validate the first signal and the second signal. The detonation device may comprise a semiconductor bridge device configured to activate the explosive device upon receiving a charge across a first terminal and a second terminal from the switching device. Methods of operation are also disclosed.
    Type: Application
    Filed: June 29, 2005
    Publication date: November 17, 2005
    Inventors: Derek DeVries, James Aadland, Daniel Holmes
  • Publication number: 20040020392
    Abstract: An apparatus for electronically switching a detonation device is configured to arm an energy source upon receiving a first signal and discharge the energy source to the detonation device upon receiving and validating a second signal. An explosive device comprising a detonation device electrically coupled to an electronic switching device is also provided, wherein the switching device comprises a microcontroller configured to validate the first signal and the second signal. The detonation device may comprise a semiconductor bridge device configured to activate the explosive device upon receiving a charge across a first terminal and a second terminal from the switching device. Methods of operation are also disclosed.
    Type: Application
    Filed: March 12, 2003
    Publication date: February 5, 2004
    Inventors: Derek DeVries, James Aadland, Daniel Holmes