Patents by Inventor Darren Cardiff

Darren Cardiff 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).

  • Apparatus for digging a trench
    Patent number: 6625908
    Abstract: An apparatus for digging a trench including a cutter device for cutting through a ground surface and a guide with a loading end located rearwardly of the cutting device and adapted for guiding earth from the loading end to an off loading end as the apparatus moves in a forward direction.
    Type: Grant
    Filed: December 18, 2001
    Date of Patent: September 30, 2003
    Inventors: Darren Cardiff, Steven Nuttall