Patents by Inventor Graham Corfield

Graham Corfield 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: 8839475
    Abstract: A mobile access unit for allowing passengers to embark or disembark from a craft, such as an aircraft, the unit comprising: a first moveable ramp section, extending from an entry/exit end, which allows access to the loading door of the craft, to a hinged end, wherein the entry/exit end can rotate about the hinged end, between a raised position and a lowered position; a second moveable ramp section, extending from a hinged end to a ground entry/exit end, which allows access to the ground, wherein the ground entry/exit end can rotate about the hinged end, between a raised position and a lowered position; and a non-linear middle ramp section, extending from a first linking end, which links with the hinged end of the first moveable ramp section, to a second linking end, which links with the hinged end of the second moveable ramp section; wherein the first moveable ramp section, middle ramp section and second moveable ramp section can together form a continuous non-linear ramp that can extend from the craft lo
    Type: Grant
    Filed: March 15, 2011
    Date of Patent: September 23, 2014
    Assignee: Graham Corfield
    Inventor: Graham Corfield
  • Publication number: 20130047352
    Abstract: A mobile access unit for allowing passengers to embark or disembark from a craft, such as an aircraft, the unit comprising: a first moveable ramp section, extending from an entry/exit end, which allows access to the loading door of the craft, to a hinged end, wherein the entry/exit end can rotate about the hinged end, between a raised position and a lowered position; a second moveable ramp section, extending from a hinged end to a ground entry/exit end, which allows access to the ground, wherein the ground entry/exit end can rotate about the hinged end, between a raised position and a lowered position; and a non-linear middle ramp section, extending from a first linking end, which links with the hinged end of the first moveable ramp section, to a second linking end, which links with the hinged end of the second moveable ramp section; wherein the first moveable ramp section, middle ramp section and second moveable ramp section can together form a continuous non-linear ramp that can extend from the craft lo
    Type: Application
    Filed: March 15, 2011
    Publication date: February 28, 2013
    Inventor: Graham Corfield