Patents by Inventor Mark Donald Edward Coghill

Mark Donald Edward Coghill 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).

  • Water evaporation minimization
    Patent number: 7534154
    Abstract: A floating water surface cover module, comprising a rim (1), and a shallow dome-shaped cover (2 )extending from the top of the rim (1 )and formed with a vent (3), the rim and cover being formed with shaped air-filled air-tight cavities (5 )spaced around the rim (1 )to provide buoyancy, the rim (1 )and the cover (2 )being configured so that one module will nest within another to form a stable stack.
    Type: Grant
    Filed: March 18, 2005
    Date of Patent: May 19, 2009
    Assignee: Technological Resources Pty. Limited
    Inventors: Ian Arthur Burston, Raymond Walter Shaw, Mark Donald Edward Coghill