Patents by Inventor George E. Keifer

George E. Keifer 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).

  • Automated diagnostic tester for HID lamp luminaires
    Patent number: 6664790
    Abstract: In an embodiment of the present invention, an automated diagnostic tester system is configured for use with a lighting fixture connected to a power source and including at least one of a ballast connected to the power source, a capacitor connected to the ballast, an ignitor, and a high intensity discharge lamp connected to the ballast. The tester system includes an electrical connector system capable of being interconnected as part of the lighting fixture, providing circuit access at least to the power source and to the high intensity discharge lamp. This enables interruption of at least one of (i) the connection of the ballast to the power source and (ii) the connection of the high intensity discharge lamp to the ballast.
    Type: Grant
    Filed: December 27, 2001
    Date of Patent: December 16, 2003
    Assignee: General Electric Company
    Inventors: John F. Cook, Byron R. Collins, George E. Keifer
  • Automated diagnostic tester for HID lamp luminaires
    Publication number: 20020084784
    Abstract: In an embodiment of the present invention, an automated diagnostic tester system is configured for use with a lighting fixture connected to a power source and including at least one of a ballast connected to the power source, a capacitor connected to the ballast, an ignitor, and a high intensity discharge lamp connected to the ballast. The tester system includes an electrical connector system capable of being interconnected as part of the lighting fixture, providing circuit access at least to the power source and to the high intensity discharge lamp. This enables interruption of at least one of (I) the connection of the ballast to the power source and (ii) the connection of the high intensity discharge lamp to the ballast.
    Type: Application
    Filed: December 27, 2001
    Publication date: July 4, 2002
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: John F. Cook, Byron R. Collins, George E. Keifer