Patents by Inventor John Featherstone Melville

John Featherstone Melville 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: 8695237
    Abstract: The present invention relates to an apparatus for forming a terrain feature such as a snow half pipe used by snowboarders or skiers. Known half-pipe cutters are inaccurate and limited in height which limits the quality of the formed snow course. The apparatus comprises a frame which comprises an attachment for a self-actuated vehicle and a tool member adapted to the cross-sectional shape of the terrain feature; at least one primary forming surface, such as a belt, running over a working surface of the tool member to form the terrain feature; at least one secondary forming surface, in the form of a heated bar and finishing mats, to contact the formed terrain feature and provide a finish to its surface; and a guidance device, such as a laser guided device, to determine the position of the tool member with respect to the terrain surface.
    Type: Grant
    Filed: July 24, 2009
    Date of Patent: April 15, 2014
    Inventor: John Featherstone Melville
  • Publication number: 20110126433
    Abstract: The present invention relates to an apparatus for forming a terrain feature such as a snow half pipe used by snow-boarders or skiers. Known half-pipe cutters are inaccurate and limited in height which limits the quality of the formed snow course. The apparatus comprises a frame which comprises an attachment for a self-actuated vehicle and a tool member adapted to the cross-sectional shape of the terrain feature; at least one primary forming surface, such as a belt, running over a working surface of the tool member to form the terrain feature; at least one secondary forming surface, in the form of a heated bar and finishing mats, to contact the formed terrain feature and provide a finish to its surface; and a guidance device, such as a laser guided device, to determine the position of the tool member with respect to the terrain surface.
    Type: Application
    Filed: July 24, 2009
    Publication date: June 2, 2011
    Inventor: John Featherstone Melville