Patents by Inventor Kevin J. Keating

Kevin J. Keating 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).

  • Extended life incandescent lamp with self contained diode and reflector
    Patent number: 4480212
    Abstract: An incandescent lamp is disclosed having an extended operating life with a high operating efficiency in terms of lumens per watt. The lamp incorporates a rectifying diode in series with the filament and the filament has an operating temperature less than 2550.degree. C. A reflector is mounted in the neck portion of the lamp for reflecting visible light outwardly through the bulb portion of the envelope and for minimizing convection currents in the base of the lamp. The diode is disposed between the reflector and the lamp base.
    Type: Grant
    Filed: June 14, 1982
    Date of Patent: October 30, 1984
    Assignee: Diolight Technology, Inc.
    Inventors: Russell Monahan, Kevin J. Keating