Patents by Inventor Steven K. Roggenkamp

Steven K. Roggenkamp 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).

  • Fabricated liner article and method
    Patent number: 4688310
    Abstract: A method of fabricating sheet metal panels and the article produced thereby. According to one form, the method of fabrication includes the steps of providing a panel of sheet metal, perforating the panel to provide a plurality of holes, forming the panel into a preselected curve about a longitudinal centerline, forming the leading edge portion of the panel into a front flange, forming a shoulder in the panel centered on the holes and extending perpendicularly from a surface thereof, bending an outer portion of the shoulder into a lip, and bonding the portions of the panel comprising the shoulder and lip.
    Type: Grant
    Filed: August 19, 1986
    Date of Patent: August 25, 1987
    Assignee: General Electric Company
    Inventors: James S. Kelm, Arthur L. Ludwig, Harvey M. Maclin, Steven K. Roggenkamp, Thomas G. Wakeman
  • Fabricated liner article and method
    Patent number: 4628694
    Abstract: A method of fabricating sheet metal panels and the article produced thereby. According to one form, the method of fabrication includes the steps of providing a panel of sheet metal, perforating the panel to provide a plurality of holes, forming the panel into a preselected curve about a longitudinal centerline, forming the leading edge portion of the panel into a front flange, forming a shoulder in the panel centered on the holes and extending perpendicularly from a surface thereof, bending an outer portion of the shoulder into a lip, and bonding the portions of the panel comprising the shoulder and lip.
    Type: Grant
    Filed: December 19, 1983
    Date of Patent: December 16, 1986
    Assignee: General Electric Company
    Inventors: James S. Kelm, Arthur L. Ludwig, Harvey M. Maclin, Steven K. Roggenkamp, Thomas G. Wakeman