Patents by Inventor Mark Tonkin

Mark Tonkin 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).

  • IRRIGATION DEVICE
    Publication number: 20130205655
    Abstract: The present invention relates to irrigation systems for irrigating a growing medium. The irrigation systems of the invention comprise a helical tubular hydrophilic membrane or a corrugated tubular hydrophilic membrane. The invention also relates to methods of irrigating a growing medium, and helical tubular hydrophilic membranes for use in an irrigation system.
    Type: Application
    Filed: December 21, 2012
    Publication date: August 15, 2013
    Applicant: DESIGN TECHNOLOGY AND INNOVATION LIMITED
    Inventor: Mark TONKIN
  • IRRIGATION DEVICE
    Publication number: 20130205656
    Abstract: The present invention relates to irrigation systems for irrigating a growing medium. The irrigation systems of the invention comprise a helical tubular hydrophilic membrane or a corrugated tubular hydrophilic membrane. The invention also relates to methods of irrigating a growing medium, and helical tubular hydrophilic membranes for use in an irrigation system.
    Type: Application
    Filed: December 21, 2012
    Publication date: August 15, 2013
    Applicant: DESIGN TECHNOLOLGY AND INNOVATION LIMITED
    Inventor: MARK TONKIN
  • Irrigation apparatus
    Patent number: 8336253
    Abstract: The present invention relates to irrigation systems for irrigating a growing medium. The irrigation systems of the invention comprise a helical tubular hydrophilic membrane or a corrugated tubular hydrophilic membrane. The invention also relates to methods of irrigating a growing medium, and helical tubular hydrophilic membranes for use in an irrigation system.
    Type: Grant
    Filed: March 16, 2007
    Date of Patent: December 25, 2012
    Assignee: Design Technology and Innovation Limited
    Inventor: Mark Tonkin
  • IRRIGATION APPARATUS
    Publication number: 20100043283
    Abstract: The present invention relates to irrigation systems for irrigating a growing medium. The irrigation systems of the invention comprise a helical tubular hydrophilic membrane or a corrugated tubular hydrophilic membrane. The invention also relates to methods of irrigating a growing medium, and helical tubular hydrophilic membranes for use in an irrigation system.
    Type: Application
    Filed: March 16, 2007
    Publication date: February 25, 2010
    Applicant: Design Technology and Innovation Limited
    Inventor: Mark Tonkin