Patents by Inventor John Cassen

John Cassen 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).

  • Radome for endfire antenna arrays
    Patent number: 7583238
    Abstract: The present invention provides a radome for an endfire antenna array that includes a honeycomb core, an inner skin attached to the honeycomb core, a first set of conductive slats disposed on the inner skin of the honeycomb core and a second set of conductive slats that are disposed within the honeycomb core. The two sets of conductive slats are capacitively-coupled to one another.
    Type: Grant
    Filed: January 19, 2007
    Date of Patent: September 1, 2009
    Assignee: Northrop Grumman Systems Corporation
    Inventors: John Cassen, Timothy G. Waterman
  • RADOME FOR ENDFIRE ANTENNA ARRAYS
    Publication number: 20080174510
    Abstract: The present invention provides a radome for an endfire antenna array that includes a honeycomb core, an inner skin attached to the honeycomb core, a first set of conductive slats disposed on the inner skin of the honeycomb core and a second set of conductive slats that are disposed within the honeycomb core. The two sets of conductive slats are capacitively-coupled to one another.
    Type: Application
    Filed: January 19, 2007
    Publication date: July 24, 2008
    Applicant: NORTHROP GRUMMAN SYSTEMS CORPORATION
    Inventors: John Cassen, Timothy G. Waterman