Patents by Inventor John H. Rieman

John H. Rieman 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).

  • Surrounding a portion of a lamp with light regulation apparatus
    Patent number: 5239239
    Abstract: A device for regulating the intensity of light emitted by a lamp includes a variable inductor configured to surround a portion of the lamp and electrical circuitry arranged to connect electrically the variable inductor to the lamp in a manner such that a variation in the inductance of the variable inductor will cause a corresponding variation in the intensity of light emitted by the lamp while the lamp is electrically connected to the variable inductor.
    Type: Grant
    Filed: March 26, 1992
    Date of Patent: August 24, 1993
    Assignee: Stocker & Yale, Inc.
    Inventors: George E. Biegel, John H. Rieman