Patents by Inventor Dirk Richarz

Dirk Richarz 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).

  • Nodular cast iron alloy
    Patent number: 6861029
    Abstract: A modified nodular cast iron alloy contains positive additions of boron and silicon in a content of greater than 2.4% by wt.
    Type: Grant
    Filed: June 20, 2002
    Date of Patent: March 1, 2005
    Assignee: Georg Fischer Fahrzeugtechnik AG
    Inventors: Werner Menk, Dirk Lindemann, Dirk Richarz
  • Nodular cast iron alloy
    Publication number: 20020195180
    Abstract: A modified nodular cast iron alloy contains positive additions of boron and silicon in a content of greater than 2.4% by wt.
    Type: Application
    Filed: June 20, 2002
    Publication date: December 26, 2002
    Inventors: Werner Menk, Dirk Lindemann, Dirk Richarz