Patents by Inventor Dario Dore

Dario Dore 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).

  • Continuous speed gear functioning by means of cog wheels of variable radius
    Patent number: 5087224
    Abstract: Continuous speed change gear, especially for two-wheeled vehicles, comprising two cog wheels, a cylindrical support for continuously varying, as desired, their center distances, accompanied by radial translation of the cogs of one of the two wheels, the wheels meshing practically with one cog at a time and at least with one cog of the wheel with translatable cogs, so that, with each variation of the center distance there will be continuous variation of the ratio of transmission between the axles of the two wheels.
    Type: Grant
    Filed: November 30, 1987
    Date of Patent: February 11, 1992
    Inventors: Maria Stranieri, Dario Dore