Patents by Inventor Helmut Rittter

Helmut Rittter 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).

  • Publication number: 20120180693
    Abstract: A rocking compensation system for rail vehicles includes actuators which are arranged within primary helical compression springs of bogies for a targeted height adjustment of a bogie frame of the bogie.
    Type: Application
    Filed: September 6, 2010
    Publication date: July 19, 2012
    Inventors: Herbert Haas, Johannes Hirtenlechner, Andreas Kienberger, Johannes Müller, Thomas Penz, Helmut Rittter, Martin Teichmann, Herwig Waltensdorfer, Tomas Ziskal