Patents by Inventor Helmut Matzunsky

Helmut Matzunsky 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).

  • Rotary cutting blade
    Patent number: 7856913
    Abstract: A rotary cutting blade provided with a curved cutting edge and a cutting surface extending centripetally from the cutting edge at angles varying in regular or irregular sequence between a predetermined maximum and a predetermined minimum.
    Type: Grant
    Filed: May 13, 2005
    Date of Patent: December 28, 2010
    Assignee: Weber Maschinenbau GmbH Breidenbach
    Inventors: Helmut Matzunsky, Rainer Schulze
  • Rotary cutting blade
    Publication number: 20050262980
    Abstract: A rotary cutting blade provided with a curved cutting edge and a cutting surface extending centripetally from the cutting edge at angles varying in regular or irregular sequence between a predetermined maximum and a predetermined minimum.
    Type: Application
    Filed: May 13, 2005
    Publication date: December 1, 2005
    Inventors: Helmut Matzunsky, Rainer Schulze