Patents by Inventor Daniel M. Crawford

Daniel M. Crawford 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).

  • Dual redundant electro explosive device latch mechanism
    Patent number: 7775147
    Abstract: A latch including a first electrical explosive device disposed between first and second surfaces and a second electrical explosive device disposed between said first and second surfaces in series with said first electrical explosive device. In the illustrative embodiment, the vehicle is a missile or torpedo, the first surface is a drag door and the second surface is a vehicle body. In this embodiment, the first electrical explosive device is coupled to the vehicle body on a first end of the device and to a common series attachment on another end thereof and the second electrical explosive device is connected to the common series attachment on a first end and to the drag door on a second end thereof. An arrangement is included for activating the electrical explosive devices to effect a deployment of the drag door with a high degree of reliability.
    Type: Grant
    Filed: March 17, 2008
    Date of Patent: August 17, 2010
    Assignee: Raytheon Company
    Inventors: Daniel M. Crawford, Bruce E. Morgan
  • DUAL REDUNDANT ELECTRO EXPLOSIVE DEVICE LATCH MECHANISM
    Publication number: 20100175546
    Abstract: A latch including a first electrical explosive device disposed between first and second surfaces and a second electrical explosive device disposed between said first and second surfaces in series with said first electrical explosive device. In the illustrative embodiment, the vehicle is a missile or torpedo, the first surface is a drag door and the second surface is a vehicle body. In this embodiment, the first electrical explosive device is coupled to the vehicle body on a first end of the device and to a common series attachment on another end thereof and the second electrical explosive device is connected to the common series attachment on a first end and to the drag door on a second end thereof. An arrangement is included for activating the electrical explosive devices to effect a deployment of the drag door with a high degree of reliability.
    Type: Application
    Filed: March 17, 2008
    Publication date: July 15, 2010
    Inventors: Daniel M. Crawford, Bruce E. Morgan