Patents by Inventor Peter Luneburg

Peter Luneburg 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: 5643630
    Abstract: A method of depositing dosed quantities of pulverized lubricants or parting compounds on the materials contacting surfaces of pressing tools of tabletting machines, according to which the parting compound uniformly distributed by a gaseous transport medium is blown on the surfaces, said parting compound during operation of said tabletting machine being continuously blown on the used surfaces and being removed from the areas adjacent to the used surfaces by suction continuously.
    Type: Grant
    Filed: April 3, 1995
    Date of Patent: July 1, 1997
    Assignee: Wilhelm Fette GmbH
    Inventors: Jurgen Hinzpeter, Ulrich Zeuschner, Hans-Joachim Pierags, Peter Luneburg, Elke Wittenberg, Ulrich Arndt
  • Patent number: 5248542
    Abstract: A sealing strip for a housing of a pelletizing machine has a one-piece sealing body with a central web with an upper side having two upper edges and a lower side having two lower edges, two sealing lips extending from the upper edges of the upper side of the central web at an angle relative to one another, and a clamping strip extending from a center of the lower side of the central web and provided with lateral webs.
    Type: Grant
    Filed: March 16, 1992
    Date of Patent: September 28, 1993
    Assignee: Firma Wilhelm Fette GmbH
    Inventors: Jurgen Hinzpeter, Ulrich Zeuschner, Kurt Marquardt, Peter Luneburg, Hans-Joachim Pierags, Ulrich Arndt, Gunter Harten
  • Patent number: 5151280
    Abstract: A rotary pelletizing machine has a rotatable matrix disc, a plurality of vertically adjustable pressing rollers which control position of the upper and lower plungers, a drive for a height adjustment of the rollers, a housing accommodating the drive, and a bearing block supporting the pressing roller and releasably connected with the housing.
    Type: Grant
    Filed: March 8, 1991
    Date of Patent: September 29, 1992
    Assignee: Firma Wilhelm Fette GmbH
    Inventors: Ulrich Arndt, Peter Luneburg, Kurt Marquardt, Hans-Joachim Pierags, Ulrich Zeuschner
  • Patent number: 5148740
    Abstract: A rotary pelletizing machine comprises a rotatable matrix disc, a plurality of upper plungers and lower plungers guided in the matrix disc, and an element for holding the lower plungers from falling out during a dismounting of the matrix disc, the holding element including a braking ring arranged in the matrix disc and pressing radially against the lower plungers so as to hold the lower plungers from falling out.
    Type: Grant
    Filed: March 8, 1991
    Date of Patent: September 22, 1992
    Assignee: Firma Wilhelm Fette GmbH
    Inventors: Ulrich Arndt, Peter Luneburg, Kurt Marquardt, Hans-Joachim Pierags, Ulrich Zeuschner, Gunter Harten