Patents by Inventor Roland Dietrich

Roland Dietrich 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).

  • Surface for a structural component of a printing machine
    Publication number: 20030192443
    Abstract: The surface of a structural component of a printing machine from which ink or oil-based contamination can be cleaned easily has a hydrophilic character.
    Type: Application
    Filed: January 21, 2003
    Publication date: October 16, 2003
    Applicant: MAN Roland Druckmaschinen AG
    Inventors: Ralph Klarmann, Roland Dietrich, Thomas Bock
  • Cleaning composition for printing presses
    Patent number: 6525008
    Abstract: A cleaning medium for use in cleaning printing forms includes either an acid solution having a pH of from 1 to 4 or a basic solution having a pH of from 10 to 14. A dispersible abrasive agent in a concentration of from 1 to 15 grams per 100 grams of the cleaning composition, a surfactant in a concentration of from 1 to 50 grams per 100 grams of the cleaning composition, an organic solvent in a concentration of from 10 to 50 grams per 100 grams of the cleaning composition, and additional water if needed are added to the acid or basic solution to form the cleaning medium. A cleaning medium in concentrate form is also provided.
    Type: Grant
    Filed: December 21, 2000
    Date of Patent: February 25, 2003
    Assignee: MAN Roland Druckmaschinen AG
    Inventors: Thomas Hartmann, Hans-Christoph Beltle, Andrea Fuchs, Roland Dietrich
  • Cleaning composition for printing presses
    Publication number: 20010008877
    Abstract: A cleaning medium for use in cleaning printing forms includes either an acid solution having a pH of from 1 to 4 or a basic solution having a pH of from 10 to 14. A dispersible abrasive agent in a concentration of from 1 to 15 grams per 100 grams of the cleaning composition, a surfactant in a concentration of from 1 to 50 grams per 100 grams of the cleaning composition, an organic solvent in a concentration of from 10 to 50 grams per 100 grams of the cleaning composition, and additional water if needed are added to the acid or basic solution to form the cleaning medium. A cleaning medium in concentrate form is also provided.
    Type: Application
    Filed: December 21, 2000
    Publication date: July 19, 2001
    Applicant: MAN Roland Druckmaschinen AG
    Inventors: Thomas Hartmann, Hans-Christoph Beltle, Andrea Fuchs, Roland Dietrich
  • Laboratory test device for textile samples
    Patent number: 4059013
    Abstract: The invention concerns an improved device for testing textile samples in the laboratory. The device includes a tank holding a heating liquid. Test containers attached to test container holders are placed in the tank and containers and holders rotated. Rotation is achieved by transmitting the drive from rolls positioned on drive shafts to drive wheels forming an integral part of the container holders.
    Type: Grant
    Filed: September 3, 1976
    Date of Patent: November 22, 1977
    Assignee: Ahiba AG
    Inventor: Roland Dietrich