Patents by Inventor Jorg Karch

Jorg Karch 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).

  • Process for the manufacture of a scraper or brush wire
    Patent number: 5667604
    Abstract: A process for the manufacture of a scraper or brush wire with increased wear resistance, in which a rolled steel wire with a carbon content of approximately 0.6 to 0.7% and a diameter of approximately 6 mm and smaller is brought to a final diameter by at least one drawing process, where the wire is patented prior to the drawing or in between successive drawing processes, and after the drawing is heat-treated, and where a steel wire alloyed with a chromium content of 0.3% or smaller is used.
    Type: Grant
    Filed: March 12, 1996
    Date of Patent: September 16, 1997
    Assignee: RIWO-Drahtwerk GmbH
    Inventor: Jorg Karch