Patents by Inventor Istvan Bernat

Istvan Bernat 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).

  • Apparatus for geometrical testing of spherical bodies, in particular steel balls
    Patent number: 4960332
    Abstract: An apparatus for the testing of spheres for geometric exactness, which comprises a light source, a projectable image within or outside of said light source, optical means for simultaneously directing light in two different directions wherein one of said directions is onto a sphere to be tested and the other of said directions in onto an imaging means, and means for directing light onto said imaging means either as reflected from the sphere to be tested, or both from the sphere and from the light source without the optical interposition of the sphere.
    Type: Grant
    Filed: June 30, 1988
    Date of Patent: October 2, 1990
    Assignee: Vertikum Magas-es Melyepitmenyjavito Kisszovetkezet
    Inventors: Tivadar Foldi, Istvan Bernat, Laszlo Vogronics