Patents by Inventor Hartmut Troger

Hartmut Troger 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).

  • Mowing and mulching system for lawnmowers
    Publication number: 20020073674
    Abstract: A mowing and mulching system for lawnmowers having multi-blade knives coupled to a motor-driven driving shaft and rotating in a pot-like cover opening at the bottom side. The blades are attached to a central hub part forming several cutting edge segments on the leading edge zones of the knife blades in the direction of rotation and repelling or bucket-like baffle elements on the trailing edge zones.
    Type: Application
    Filed: August 27, 2001
    Publication date: June 20, 2002
    Inventors: Hartmut Troger, Alfred Tutschka