Patents by Inventor Ernst Kramer

Ernst Kramer 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).

  • Patent number: 4899438
    Abstract: A clip-like, C-shaped sheet-metal nut and an assembly device therefor, the nut having a thread leg with an embossed thread portion and a clip leg having a through hole, with the forward end of the thread leg having an upwardly and forwardly inclined insertion plate. A pair of guide webs are integrally formed on the two lateral edges of the thread leg that extend upwardly at right angles to the leg with the upper edges of the webs protruding above the insertion plate and running parallel to the clip leg and with their side surfaces being in a line with the lateral edges of the clip leg to provide a substantially outer rectangular perimeter to the nut.
    Type: Grant
    Filed: October 5, 1988
    Date of Patent: February 13, 1990
    Assignee: A. Raymond
    Inventors: Klaus Muller, Lothar Escher, Gerhard Mack, Ernst Kramer
  • Patent number: 4793753
    Abstract: A clip-like, C-shaped sheet-metal nut and an assembly device therefor, the nut having a thread leg with an embossed thread portion and a clip leg having a through hole, with the forward end of the thread leg having an upwardly and forwardly inclined insertion plate. A pair of guide webs are integrally formed on the two lateral edges of the thread leg that extend upwardly at right angles to the leg with the upper edges of the webs protruding above the insertion plate and running parallel to the clip leg and with their side surfaces being in line with the lateral edges of the clip leg to provide a substantially outer rectangular perimeter to the nut.
    Type: Grant
    Filed: December 3, 1986
    Date of Patent: December 27, 1988
    Assignee: A. Raymond
    Inventors: Klaus Muller, Lothar Escher, Gerhard Mack, Ernst Kramer