Patents by Inventor Andrew David Hawes

Andrew David Hawes 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).

  • Patent number: 7033109
    Abstract: The present invention relates to ground drainage apparatus comprising a ground anchor (13) and a length of conduit (10) providing a drainage channel for water. The length of conduit (10) is secured to the ground anchor (13) in such a way that when the ground anchor (13) is driven into the ground then the length of conduit (10) is dragged through a passage in the ground formed by the ground anchor (130 with the result that when the ground anchor is installed at a desired depth then the length of conduit (10) provides a drainage channel in the ground.
    Type: Grant
    Filed: June 16, 2003
    Date of Patent: April 25, 2006
    Assignee: Platipus Anchors Holdings Limited
    Inventors: Michael Hamilton Russell, Andrew David Hawes
  • Publication number: 20040213636
    Abstract: The present invention relates to ground drainage apparatus comprising a ground anchor (13) and a length of conduit (10) providing a drainage channel for water. The length of conduit (10) is secured to the ground anchor (13) in such a way that when the ground anchor (13) is driven into the ground then the length of conduit (10) is dragged through a passage in the ground formed by the ground anchor (130 with the result that when the ground anchor is installed at a desired depth then the length of conduit (10) provides a drainage channel in the ground.
    Type: Application
    Filed: June 16, 2003
    Publication date: October 28, 2004
    Inventors: Michael Hamilton Russell, Andrew David Hawes