Patents by Inventor Robert Helble

Robert Helble 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).

  • Valve for light pipe
    Patent number: 6163635
    Abstract: A valve for a light pipe having a rotatable platen having opaque and transparent parts, said valve including means for receiving and coaxially positioning a source end of a light pipe and a sink end of a light pipe and for alternately positioning the transparent and the opaque parts of the platen between the ends.
    Type: Grant
    Filed: May 21, 1999
    Date of Patent: December 19, 2000
    Inventor: Robert Helble
  • Adjustable tap for light-pipe
    Patent number: 6021247
    Abstract: A device for tapping into and removing a fraction of the light transmitted by a homogeneous sheathed light conducting and transmitting and conveying light pipe. The device is a transparent probe having a conical point for penetrating the sheath of the light pipe and embedding in the core and an external portion which resides outside the sheath for dissipating of transmitting the light abstracted from the core.
    Type: Grant
    Filed: March 3, 1998
    Date of Patent: February 1, 2000
    Inventor: Robert Helble