Patents by Inventor Karl H. Oehmsen

Karl H. Oehmsen 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).

  • Structural truss assembly and method
    Patent number: 4155150
    Abstract: A structural truss composed of spaced rails interconnected by a series of struts swingably coupled at their ends. Track members on the rails receive the ends of the struts which are slid into place between the rails. Thereafter, the struts are crimped in place upon the rail members to form a load supporting structural member.In a second embodiment, rivets are slipped into the track members, the struts are slipped upon the rivets and the end of the struts and the rivets are deformed to form the structural truss.
    Type: Grant
    Filed: January 23, 1978
    Date of Patent: May 22, 1979
    Assignee: Oehmsen Plastic Greenhouse Mfg. Inc.
    Inventors: Erich Oehmsen, Karl H. Oehmsen
  • Structural truss assembly
    Patent number: 4089148
    Abstract: A structural truss composed of spaced rails interconnected by a series of struts swingably coupled at their ends. Track members on the rails receive the ends of the struts which are slid into place between the rails. Thereafter, the struts are crimped in place upon the rail members to form a load supporting structural member.In a second embodiment, rivets are slipped into the track members, the struts are slipped upon the rivets and the ends of the struts and the rivets are deformed to form the structural truss.
    Type: Grant
    Filed: November 1, 1976
    Date of Patent: May 16, 1978
    Assignee: Oehmsen Plastic Greenhouse Mfg. Inc.
    Inventors: Erich Oehmsen, Karl H. Oehmsen