Patents by Inventor Dean Cunningham

Dean Cunningham 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).

  • Device for forming finned heat transfer tubes
    Patent number: 4077116
    Abstract: An improved device for forming finned heat transfer tubes using a fin structure winding device for winding a fin structure onto a conduit, a coil winder device for winding the finished finned heat transfer tubing into a coil, and at least two substantially parallel and coextensive tubing support means operable to support rotatably a piece of the finned tubing during the winding of the fin structure onto the conduit, and simultaneously to deliver a finished piece of finned heat transfer tubing to the coil winder.
    Type: Grant
    Filed: April 15, 1977
    Date of Patent: March 7, 1978
    Assignee: Fedders Corporation
    Inventors: Dean Cunningham, Ralph Goeckner, Marlin Alwardt, Leon Wohltman