Patents by Inventor Mervin E. Dunn

Mervin E. Dunn 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).

  • Light controlling heat collecting solar roof
    Patent number: 4750473
    Abstract: A light controlling heat collecting solar roof, the roof being formed of sheeting material of generally corrugated form, each corrugation having a generally planar upper surface with a generally planar lower surface at the bottom of the trough, the side walls connecting the upper and lower surfaces being transparent or translucent and one of these being generally vertical and facing the equator. Heat collecting tubes may be mounted on one or both of the generally planar surfaces.
    Type: Grant
    Filed: October 10, 1986
    Date of Patent: June 14, 1988
    Assignee: Ritelite Pty. Ltd.
    Inventor: Mervin E. Dunn
  • Controlled sun-lit plant house
    Patent number: 4143492
    Abstract: A glass house or plant house having the roof and walls of sawtooth configuration, the roof having generally vertical glass areas facing the equator, and sloping opaque sections inclined to the horizontal equal to the rays of the mid-day winter sun. The walls have generally vertical glass panels sloping outwardly at the top and jointed by horizontal opaque sections to allow penetration of the morning and evening sun but decreasing amounts of the day time sun.
    Type: Grant
    Filed: August 25, 1977
    Date of Patent: March 13, 1979
    Inventor: Mervin E. Dunn