Patents by Inventor Karl S. Riener

Karl S. Riener 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 and method for optically detecting and electronically analyzing the location of a projectile in a target plane
    Patent number: 5637866
    Abstract: The invention comprises a method, apparatus and equipment for detecting the hit location of a projectile passing through a target plane. A light source generates at least two zones of light which subtend between them a specified angle. The light zones sweep the target plane, illuminating a projectile crossing the target plane and casting a shadow of the projectile onto a screen, preferably a difuse, ground-glass screen.
    Type: Grant
    Filed: May 5, 1995
    Date of Patent: June 10, 1997
    Inventors: Karl S. Riener, Erich Dollansky
  • Oven in the shape of a fireplace
    Patent number: D354125
    Type: Grant
    Filed: October 7, 1991
    Date of Patent: January 3, 1995
    Assignee: RIKA Metallwarengesellschaft m.b.H.
    Inventor: Karl S. Riener