Patents by Inventor Stephan Dietzel

Stephan Dietzel 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).

  • Method for operating a developing machine and developing machine
    Publication number: 20050252402
    Abstract: This invention relates to a method for operating a developing machine for producing printing plates, in particular offset printing plates, preferably in a CTP process. According to said method, contaminated liquid developer is fed to a separator to be treated. At least some of the contaminants are separated from the liquid developer in the centrifugal field of said separator. The developing machine comprises a container, which holds the liquid developer and is connected to the separator.
    Type: Application
    Filed: June 17, 2005
    Publication date: November 17, 2005
    Inventors: Jürgen Mackel, Ralf Kleinhaus, Martin Fuhrmann, Helmut Knoblechner, Wolfgang Rauh, Stephan Dietzel, Alexander Schiller, Ulrich Schmitt
  • Method and device for the continuous measurement and control of the composition of a wetting-agent solution for offset printing
    Patent number: 6194215
    Abstract: The wetting-agent solution proposed contains of water and at least one organic solvent miscible with water. The speed of sound in the solution is measured and, from the value obtained, a control signal is generated to keep the composition of the solution constant.
    Type: Grant
    Filed: August 31, 1998
    Date of Patent: February 27, 2001
    Assignee: Baldwin Grafotec GmbH
    Inventors: Wolfgang Rauh, Stephan Dietzel