Patents by Inventor Zvi Weinberg

Zvi Weinberg 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).

  • Base drag reducing device
    Patent number: 6297486
    Abstract: A device for reducing base drag on cylindrical rear truncated objects moving in a fluid, caused by the shedding of vortices at the base of the object. The device consists of ring shaped winglets attached to the rear of the object which may be sub-divided into a plurality of hinged partial winglets. The parameters of distance of winglet from cylinder shaped object, winglet circumference, angle, profile and chord length may be varied automatically for optimum drag-reducing capability.
    Type: Grant
    Filed: October 8, 1997
    Date of Patent: October 2, 2001
    Assignee: Rafael Armament Development Authority Ltd.
    Inventors: Hanan Rom, Zvi Weinberg