Patents by Inventor David Allen Nagel

David Allen Nagel 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: 20080078538
    Abstract: A plate for a heat exchanger is disclosed, wherein surfaces of the plate have integrated turbulation features formed thereon.
    Type: Application
    Filed: September 28, 2006
    Publication date: April 3, 2008
    Inventors: Ali Jalilevand, David Allen Nagel