Patents by Inventor David Catford

David Catford 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: 8727360
    Abstract: This invention relates to a trailer comprising a body, a wheel assembly on each side of and floating relative to the trailer body, a linear actuator driving means adapted to selectively raise and lower body relative to its wheel assemblies while keeping the body substantially parallel to the ground throughout its range of movement and providing a mechanical advantage to the actuator.
    Type: Grant
    Filed: September 16, 2010
    Date of Patent: May 20, 2014
    Inventor: David Catford
  • Publication number: 20120181760
    Abstract: This invention relates to a trailer comprising a body, a wheel assembly on each side of and floating relative to the trailer body, a linear actuator driving means adapted to selectively raise and lower body relative to its wheel assemblies whilst keeping the body substantially parallel to the ground throughout its range of movement and providing a mechanical advantage to the actuator.
    Type: Application
    Filed: September 16, 2010
    Publication date: July 19, 2012
    Inventor: David Catford