Patents by Inventor John C. Christopher

John C. Christopher 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).

  • Solar energy collector
    Patent number: 4143641
    Abstract: A solar energy collector for the entrapment of radiant energy from the sun or other energy source and the conversion thereof to usable heat energy comprises a radiant energy-transmitting cover panel assembly having an edge rail attached to at least a portion thereof and a radiant energy absorber held in spaced relation by a structural chassis side wall member having a channel portion adapted to receive and non-rigidly hold the edge rail of the cover panel assembly and allow for free linear and lateral expansion thereof.
    Type: Grant
    Filed: May 20, 1977
    Date of Patent: March 13, 1979
    Inventor: John C. Christopher