Patents by Inventor Duncan J. Webb

Duncan J. Webb 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).

  • Centrifugally operated wiper mechanism for cleaning turret mounted lenses
    Patent number: 5208938
    Abstract: A wiper mechanism (7), especially suitable for cleaning the curved lens (6) of a multirole turret, comprises a wiper (8) which is acted on centrifugally when the mechanism (7) is operated to cause the wiper (8)to be moved from a "parked" position (dashed outline) to an "operating" position (full outline) in which it wipes-clean the surface of the lens (6).
    Type: Grant
    Filed: September 13, 1991
    Date of Patent: May 11, 1993
    Assignee: GEC-Marconi Limited
    Inventor: Duncan J. Webb