Patents by Inventor Louis Hagedorn

Louis Hagedorn 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).

  • MULTI-WALLED TUBE AND METHOD OF MANUFACTURE
    Publication number: 20110056583
    Abstract: A method of forming multi-wall tube from a single-wall piece of tube. The multi-wall tube is formed by relative motion between a die shoe and the single-wall tube to deform the material.
    Type: Application
    Filed: September 7, 2010
    Publication date: March 10, 2011
    Inventors: Robert Raymond Petkovsek, Louis Hagedorn
  • Multi-walled tube and method of manufacture
    Patent number: 7788960
    Abstract: A method of forming multi-wall tube from a single-wall piece of tube. The multi-wall tube is formed by relative motion between a die shoe and the single-wall tube to deform the material.
    Type: Grant
    Filed: October 27, 2006
    Date of Patent: September 7, 2010
    Assignee: Cummins Filtration IP, Inc.
    Inventors: Robert Raymond Petkovsek, Louis Hagedorn
  • Multi-walled tube and method of manufacture
    Publication number: 20080169489
    Abstract: A method of forming multi-wall tube from a single-wall piece of tube. The multi-wall tube is formed by relative motion between a die shoe and the single-wall tube to deform the material.
    Type: Application
    Filed: October 27, 2006
    Publication date: July 17, 2008
    Inventors: Robert Raymond Petkovsek, Louis Hagedorn