Patents by Inventor Robert T. Fertig

Robert T. Fertig 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: 5716442
    Abstract: A light pipe with Solar Bulb energy conservation system that includes: one or more solar and/or artificial light sources; one or more opaque and/or transparent hollow tubular conduits; a reflective material means covering the inside surfaces of the hollow tubular conduits; a mirror at either end of the conduits and between any vertical and horizontal connecting joint sections; a plurality of photovoltaic cell arrays mounted on substrates, positioned inside the hollow tabular conduits, whereby part of the light energy source illuminates, and part of the light energy source is converted into electric energy. The light pipe system optionally includes: an exterior transparent protective dome and reflector; a light concentrator means; a battery charge controller; a rechargeable battery or plurality of batteries; a DC to AC inverter; an AC/DC light ballast, with a battery charge switch; and single or multiple light fixtures, that include conventional bulbs, and/or Power Saver Bulbs, and/or Solar Bulbs.
    Type: Grant
    Filed: April 1, 1996
    Date of Patent: February 10, 1998
    Inventor: Robert T. Fertig