Patents by Inventor Grenfell Rudduck

Grenfell Rudduck 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).

  • Aircraft Floats
    Publication number: 20120104164
    Abstract: This invention relates to an improved float for use with an aircraft having water landing capabilities comprising at least one float capable of increasing/decreasing its volume arranged to at least substantially support said aircraft in a floating on water status so that the fuselage of the aircraft is substantially above the water.
    Type: Application
    Filed: May 20, 2010
    Publication date: May 3, 2012
    Inventors: Saxon Grenfell Rudduck, Alan John Smith, Matthew Robert Tetlow
  • Seaplane with retractable twin floats
    Publication number: 20050224641
    Abstract: A twin float aircraft (1) which has a retractable float (4 and 5) for each side of a fuselage (3) providing buoyancy for the aircraft during take off and landing and reduced air resistance during flight with each of the floats (4 and 5) being articulated (12 and 13) to assist streamline alignment when retracted.
    Type: Application
    Filed: February 28, 2005
    Publication date: October 13, 2005
    Applicant: Tigerfish Aviation Pty Ltd
    Inventors: Alan Smith, Grenfell Rudduck
  • Display screen with a graphical user interface
    Patent number: D852813
    Type: Grant
    Filed: March 1, 2017
    Date of Patent: July 2, 2019
    Inventor: Sylvan Grenfell Rudduck