Patents by Inventor Paul Crist

Paul Crist 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).

  • Method and apparatus for forming flared tube ends
    Publication number: 20050005987
    Abstract: A method for forming a flare in the end of a flexible tube comprises heating the end of the flexible tube to a near-melted state, inserting the end of the flexible tube into a flare-forming die with a flare forming portion, and pressing a mandrel into the end of the flexible tube, thereby pressure forming a flare in the end of the flexible tube.
    Type: Application
    Filed: July 12, 2003
    Publication date: January 13, 2005
    Inventors: Frank Hayes, Paul Crist