Patents by Inventor Franklin F. Makan

Franklin F. Makan 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).

  • Protective circuit for a grounded power plant
    Patent number: 5982598
    Abstract: For use with a grounded power plant, capable of powering a load, having a power supply and a power distribution system, a protective circuit, including a voltage clamping device, coupled between a return conductor of the power distribution system and the ground, that attenuates voltage transients present in the return conductor of the power distribution system thereby preventing the voltage transients from damaging the load.
    Type: Grant
    Filed: September 19, 1997
    Date of Patent: November 9, 1999
    Assignee: Lucent Technologies Inc.
    Inventors: Robert J. Kakalec, Franklin F. Makan, Vijayan J. Thottuvelil
  • Integrated maintenance bypass switch and method of operation thereof
    Patent number: 5646459
    Abstract: In a backup power system capable of deriving power from alternate AC primary and DC backup power sources to provide continuous AC power to an AC load and including an inverter/switch module having DC and AC inputs and an AC output, a maintenance bypass switch for, and method of decoupling the AC primary and DC backup power sources from the backup power module to allow maintenance to be performed thereon.
    Type: Grant
    Filed: November 9, 1995
    Date of Patent: July 8, 1997
    Assignee: Lucent Technologies Inc.
    Inventors: Andrew K. Hatate, Franklin F. Makan