Patents by Inventor Wolfgang Pfeil

Wolfgang Pfeil 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).

  • Apparatus for the metered feeding of ink to a ductor roll of an offset printing device
    Patent number: 4284005
    Abstract: An apparatus for a metered feeding of ink to a ductor roll of an offset printing device. The ductor roll is adapted to be dipped into an ink pool which is connected to a device for supplying metered amounts of ink. The device for supplying the metered amounts of ink is controlled by an installation for monitoring a level of ink in the ink pool. The monitoring installation includes a distance sensor which is constructed as a capacitive proximity switch.
    Type: Grant
    Filed: March 9, 1979
    Date of Patent: August 18, 1981
    Assignee: Develop Dr. Eisbein GmbH & Co.
    Inventors: Reinhold Weigele, Wolfgang Pfeil, Horst Purr
  • Pressing installation for a copying arrangement
    Patent number: 4022122
    Abstract: A pressing installation for use with a copying arrangement which installation includes a pair of opposed pressure rollers mounted on shafts mutually inclined toward one another with bearing blocks being provided for supporting the rollers. The bearing blocks are pivotably connected on one side of the pressure rollers by a leaf-spring joint arrangement with an adjustable clamping arrangement being provided on the other side of the pressure rollers for maintaining the bearing blocks in a fixed position. The spring arrangement forms a fixed spring joint free from play between the bearing blocks.
    Type: Grant
    Filed: August 16, 1974
    Date of Patent: May 10, 1977
    Assignee: Develop KG/Dr. Eisbein and Co.
    Inventors: Kurt Moser, Reinhold Weigele, Wolfgang Pfeil