Patents by Inventor George H. Koester

George H. Koester 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).

  • Patent number: 7824076
    Abstract: A lamp having a reflective surface, a pedestal positioned within the interior defined by the reflective surface, and one or more light emitting diodes (LED's) mounted onto one or more occluding faces on the pedestal, such that each occluding face blocks light emitted from the LED's from a portion of the reflective surface. The occluding faces are oriented parallel to or at an acute angle to the central axis of the reflective surface.
    Type: Grant
    Filed: June 2, 2008
    Date of Patent: November 2, 2010
    Inventor: George H. Koester
  • Publication number: 20090091936
    Abstract: An improved focal point projection light signal device having a single point light source, a Fresnel lens, and a reflective beam concentrator having a spherical reflective surface located to the rear of the light source. The single point light source is positioned at the focal point of the Fresnel lens such that light emitted toward the Fresnel lens is refracted into a concentrated beam pattern that is projected from the front of the lens. The reflective surface of the beam concentrator is spherically concave and is positioned such that light emitted to the rear of the light bulb is reflected back through the lens focal point and out through the Fresnel lens. The overall diameter of the reflective beam concentrator is significantly smaller than the diameter of the Fresnel lens such that reflection of extraneous light sources that may produce phantom signal indications is minimized.
    Type: Application
    Filed: October 6, 2008
    Publication date: April 9, 2009
    Inventor: George H. Koester
  • Publication number: 20090002997
    Abstract: A lamp having a reflective surface, a pedestal positioned within the interior defined by the reflective surface, and one or more light emitting diodes (LED's) mounted onto one or more occluding faces on the pedestal, such that each occluding face blocks light emitted from the LED's from a portion of the reflective surface. The occluding faces are oriented parallel to or at an acute angle to the central axis of the reflective surface.
    Type: Application
    Filed: June 2, 2008
    Publication date: January 1, 2009
    Inventor: George H. Koester