Patents by Inventor Edward L. Hansen

Edward L. Hansen 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).

  • Thin wall tube straightening apparatus
    Patent number: 4483175
    Abstract: This invention relates to tube straightening apparatus in general and more specifically to a lightweight tube straightening device that has a unique rolling fulcrum, that allows the straightening forces to be applied along a wide area of the running tube length.
    Type: Grant
    Filed: December 17, 1982
    Date of Patent: November 20, 1984
    Inventor: Edward L. Hansen