Patents by Inventor Helmut Diez

Helmut Diez 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).

  • Patent number: 6675920
    Abstract: The invention relates to a towing vehicle for aircraft, comprising at least one operator's cabin which comprises control, elements for steering, accelerating and braking the towing vehicle, in addition to a coupling member for creating a detachable connection between the aircraft and the towing vehicle. The towing vehicle can be braked by hydraulic or pneumatic brakes 46, 46′ acting on at least two wheels of the vehicle, whereby the braking control element is configured as a brake pedal 10, 10′ which actuates the brakes 46, 46′ either directly or via a control circuit.
    Type: Grant
    Filed: January 9, 2002
    Date of Patent: January 13, 2004
    Assignee: Schopf Maschinenbau GmbH
    Inventors: Helmut Diez, Klaus Philipp