Patents by Inventor Graham Maile

Graham Maile 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).

  • DBS antenna
    Patent number: 4811031
    Abstract: A DBS antenna comprises a support arm (10) which at its front end supports a converter/feed unit (12) and at its rear end is secured to a mounting bracket. The antenna dish (14) is mounted on the support arm (10), so that the dish (14) is supported by the arm (10) without mechanical loading from the converter/feed unit (12). The converter feed unit (12) may have a tapering cover portion (74) of sufficient electrical thickness to produce focussing of the signal into the waveguide feed.
    Type: Grant
    Filed: May 1, 1987
    Date of Patent: March 7, 1989
    Assignee: Borg-Warner Chemicals Europe BV
    Inventors: Graham Maile, Philip Seeney