Patents by Inventor Burkhard Kappen

Burkhard Kappen 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).

  • Roof truss assemblies for hipped roofs, and method of manufacturing same
    Patent number: 4414787
    Abstract: A roof truss assembly for hipped roofs comprises a number of roof trusses of constant ceiling joist length and of a height decreasing stepwise from a maximum height. All roof trusses regardless of their height have vertical struts which are perpendicular to the ceiling joist and provided in a number at least twice as large as the number of height reduction steps. The vertical struts are provided in the same number on either side of the transverse central plane of the roof trusses, the vertical struts on one side of the plane being spaced equally far from said plane as corresponding vertical struts on the other side of said plane.
    Type: Grant
    Filed: January 19, 1981
    Date of Patent: November 15, 1983
    Inventor: Burkhard Kappen