Patents by Inventor Wilhelm Hirschmann

Wilhelm Hirschmann 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).

  • Arrangement for the retaining of tubes
    Patent number: 4285611
    Abstract: Arrangement for retaining at least two approximately mutually parallel extending tubes, including an adapter having an aperture through which the tubes are conducted. A clamping element is arranged in the aperture intermediate the tubes and presses these against the wall structure of the aperture.
    Type: Grant
    Filed: May 29, 1979
    Date of Patent: August 25, 1981
    Assignee: Maschinenfabrik Augsburg-Nurnberg Aktiengesellschaft
    Inventors: Eberhard Willeitner, Wilhelm Hirschmann, Erwin Maier, Georg Lammel, Jurgen Hass
  • Device for ducting gas in a centrifuge block
    Patent number: 4284231
    Abstract: A device for ducting process gas in a centrifuge block, comprising a hood for sealingly covering the centrifuge block and for defining at least one duct for the process gas. One embodiment has tubes within the hood in communication with connecting openings in centrifuge housings of the centrifuge block. According to a second embodiment, the tubes may be serpentine. A third embodiment has ducts formed directly in the hood, while a fourth has partitioning walls within the space enclosed by the hood for dividing the space into ducts.
    Type: Grant
    Filed: May 30, 1979
    Date of Patent: August 18, 1981
    Assignee: Maschinenfabrik Augsburg-Nurnberg Aktiengesellschaft
    Inventors: Erwin Maier, Wilhelm Hirschmann, Eberhard Willeitner