Patents by Inventor Fred Harkness

Fred Harkness 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).

  • Publication number: 20170284704
    Abstract: An integrated solar thermal system for a building roof is provided. The system utilizes a plurality of fin pipes to collect solar energy as heat, and to transfer this heat to a working fluid conveyed in a parallel flow through the fin pipes. The heated working fluid is then used for productive energy conversion.
    Type: Application
    Filed: March 30, 2016
    Publication date: October 5, 2017
    Inventor: Fred Harkness