Patents by Inventor Vando Gianni Ferrari

Vando Gianni Ferrari 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).

  • Steering system for vehicle with four drive wheels
    Patent number: 6840345
    Abstract: Steering system for vehicles comprises a frame with a front axle and a rear axle, at least one of these carrying two steered wheels, the wheels of each axle being driven by a hydraulic motor via a differential unit, the steered wheels being connected, for steering control, to a cylinder-piston unit fed by a usual power steering device, in which at least the hydraulic motor associated with one axle is of variable piston displacement, and is associated with piston displacement adjustment means governed by the position of the cylinder of the cylinder-piston unit which controls the steering.
    Type: Grant
    Filed: July 23, 2003
    Date of Patent: January 11, 2005
    Assignee: Gianni Ferrari S.R.L.
    Inventor: Vando Gianni Ferrari
  • Steering system for vehicle with four drive wheels
    Publication number: 20040118628
    Abstract: Steering system for vehicles comprises a frame with a front axle and a rear axle, at least one of these carrying two steered wheels, the wheels of each axle being driven by a hydraulic motor via a differential unit, the steered wheels being connected, for steering control, to a cylinder-piston unit fed by a usual power steering device, in which at least the hydraulic motor associated with one axle is of variable piston displacement, and is associated with piston displacement adjustment means governed by the position of the cylinder of the cylinder-piston unit which controls the steering.
    Type: Application
    Filed: July 23, 2003
    Publication date: June 24, 2004
    Applicant: GIANNI FERRARI S.R.L.
    Inventor: Vando Gianni Ferrari