Patents by Inventor Kenneth Dornhoff

Kenneth Dornhoff 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).

  • Multiple drive power take off
    Patent number: 5041062
    Abstract: A single output drive shaft of a tractor is converted to multiple output drive shafts. A housing is firmly mounted to the tractor and a drive shaft extends through the housing and is connected at its forward end to the tractor while the rear output end is connected to a tool mounted to the housing by a bracket similar to that mounting the housing to the tractor. A sprocket chain running through oil in the housing is connected to additional output drive shafts. The output drive shafts are generally arranged in a triangular configuration and the housing has a generally similar shape.
    Type: Grant
    Filed: February 26, 1990
    Date of Patent: August 20, 1991
    Inventor: Kenneth Dornhoff
  • Multiple drive power take off
    Patent number: D330559
    Type: Grant
    Filed: February 26, 1990
    Date of Patent: October 27, 1992
    Inventor: Kenneth Dornhoff