Patents by Inventor Ajaypal Naruka

Ajaypal Naruka 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).

  • Dopant-free tungsten electrodes in metal halide lamps
    Patent number: 7583030
    Abstract: A metal halide lamp having a high pressure quartz arc tube in which the electrodes are non-thoriated.
    Type: Grant
    Filed: July 21, 2004
    Date of Patent: September 1, 2009
    Assignee: Advanced Lighting Technologies, Inc.
    Inventors: Chakrapani V. Varanasi, Timothy R. Brumleve, Abbas Lamouri, Ajaypal Naruka
  • Dopant-free tungsten electrodes in metal halide lamps
    Publication number: 20050052134
    Abstract: A metal halide lamp having a high pressure quartz arc tube in which the electrodes are non-thoriated.
    Type: Application
    Filed: July 21, 2004
    Publication date: March 10, 2005
    Inventors: C. Varanasi, Timothy Brumleve, Abbas Lamouri, Ajaypal Naruka