Patents by Inventor Bruce A. Haugen

Bruce A. Haugen 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).

  • Automatic tube expander for a heat exchanger
    Patent number: 4835828
    Abstract: An automated heat exchanger tube expander includes an automatically adjustable tool stop, an automatically adjustable back support, and a universal base support. The adjustable stop, the back support, and the base support function together to facilitate the manufacturing of various size tube and fin heat exchangers. The automatic tube expander avoids the time consuming set up for each different size heat exchanger normally required by manual tube expanders.
    Type: Grant
    Filed: September 22, 1988
    Date of Patent: June 6, 1989
    Assignee: American Standard Inc.
    Inventors: John D. York, Edward M. Peppard, Bruce A. Haugen