Patents by Inventor Ingo Gelhausen

Ingo Gelhausen 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).

  • Vibration damper
    Patent number: 8881877
    Abstract: A vibration damper includes a cylinder in which a piston fastened to a piston rod executes a translational and a rotational movement relative to the cylinder. The piston is fixed to the piston rod by an axial fastener, and a device for preventing rotation by positive engagement is formed between the piston and the piston rod.
    Type: Grant
    Filed: May 25, 2011
    Date of Patent: November 11, 2014
    Assignee: ZF Friedrichshafen AG
    Inventors: Anton Krawczyk, Guido Holtmann, Heinz Sydekum, Uwe Herrmann, Rudolf Schulte, Jörg Rösseler, Ingo Gelhausen, Volker-Oliver Hupperich
  • Vibration Damper
    Publication number: 20110290605
    Abstract: A vibration damper includes a cylinder in which a piston fastened to a piston rod executes a translational and a rotational movement relative to the cylinder. The piston is fixed to the piston rod by an axial fastener, and a device for preventing rotation by positive engagement is formed between the piston and the piston rod.
    Type: Application
    Filed: May 25, 2011
    Publication date: December 1, 2011
    Applicant: ZF Friedrichshafen AG
    Inventors: Anton KRAWCZYK, Guido Holtmann, Heinz Sydekum, Uwe Herrmann, Rudolf Schulte, Jörg Rösseler, Ingo Gelhausen, Volker-Oliver Hupperich
  • Vibration damper for motor vehicles
    Patent number: 5350044
    Abstract: A vibration damper for motor vehicles typically has an external tube, a piston rod and fastening parts for fastening the vibration damper to the wheel suspension and the vehicle body. To prevent friction and or contact corrosion on the surfaces between the external tube and the fastening parts, at least the contact surfaces are provided with a protective metallic aluminum layer.
    Type: Grant
    Filed: August 21, 1992
    Date of Patent: September 27, 1994
    Assignee: BOGE Aktiengesellschaft
    Inventor: Ingo Gelhausen