Patents by Inventor Srinivasa Jammalamadaka

Srinivasa Jammalamadaka 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: 7972053
    Abstract: A lighting apparatus provided in the form of a bulb for use in a solar lantern or other electrical device. The lighting apparatus includes a hollow light guide with a light reflective layer on the inside. A first and second light source such as an array of LEDs, LECs, etc. is positioned at opposite ends of the hollow light guide such the light emitted by the light sources is directed through the light guide between the inner and outer sidewalls thereof. The first and second light source are connected to a power source such as a battery.
    Type: Grant
    Filed: August 8, 2008
    Date of Patent: July 5, 2011
    Inventors: Kiran Hatti, Srinivasa Jammalamadaka
  • Publication number: 20090251892
    Abstract: A lighting apparatus provided in the form of a bulb for use in a solar lantern or other electrical device. The lighting apparatus includes a hollow light guide with a light reflective layer on the inside. A first and second light source such as an array of LEDs, LECs, etc. is positioned at opposite ends of the hollow light guide such the light emitted by the light sources is directed through the light guide between the inner and outer sidewalls thereof. The first and second light source are connected to a power source such as a battery.
    Type: Application
    Filed: August 8, 2008
    Publication date: October 8, 2009
    Inventors: Kiran Hatti, Srinivasa Jammalamadaka