Patents by Inventor Craig Colin Hill

Craig Colin Hill 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).

  • Extracting energy from flowing fluids
    Patent number: 7713020
    Abstract: A method and apparatus (10) for extracting energy from flowing fluids using a diffuser (11) which has side walls (14) formed from a series of aerofoil section members (15) with gaps (29) provided between the leading and trailing ends of the members (15) to allow introduction of fluid from outside of the diffuser (11) into the diffuser flow passage (16) such that increased energy can be extracted from the flowing fluid by a prime mover (20) located in the flow passage (16).
    Type: Grant
    Filed: July 12, 2004
    Date of Patent: May 11, 2010
    Inventors: Aaron Davidson, Craig Colin Hill