Patents by Inventor Michael E. Bergins

Michael E. Bergins 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).

  • Header tubes for heat exchangers and the methods used for their manufacture
    Patent number: 5881456
    Abstract: A header tube for heat exchangers with a tube segment having slots which are perpendicular to the tube axis and spaced in the longitudinal direction and separated by webs, into which hollow flat pipes can be inserted and joined to the contact surface of the respective slot. The webs each have a pair of stampings to strengthen the material on each side of each web and the webs are shaped largely flat such that the cross-section of the tube segment has a largely D-shaped profile. A method of manufacturing the header tubes is also presented.
    Type: Grant
    Filed: March 20, 1997
    Date of Patent: March 16, 1999
    Assignee: ARUP Alu-Rohr und Profil GmbH
    Inventors: Michael E. Bergins, Peter Brede