Patents by Inventor Erich Hoerz

Erich Hoerz 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).

  • Propelled device with wheels and pedal elements
    Patent number: 5997019
    Abstract: A manually propelled device includes two base modules having at least two wheels interconnected by a pedal element. The device is provided with at least four wheels which are parallel with each other. The pedal elements each interconnect two of the wheels and are fixed to the two interconnected wheels at points off-set from the centers of the two wheels. A shaft interconnects the centers of one of the wheels of each of the modules, thereby interconnecting the modules. Pedaling of the pedal elements by the feet of an operator serves to cause rotation of the wheels in a same rotating direction to propel the device in a selected linear direction.
    Type: Grant
    Filed: August 28, 1997
    Date of Patent: December 7, 1999
    Inventor: Erich Hoerz
  • Combined set of musical instruments and support therefor
    Patent number: D329867
    Type: Grant
    Filed: January 3, 1989
    Date of Patent: September 29, 1992
    Assignee: Helmut Leismann OHG
    Inventor: Erich Hoerz