Patents by Inventor Rick Ardell

Rick Ardell 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).

  • Regulation and closure apparatus for a metallurgical vessel
    Patent number: 5690854
    Abstract: A regulation and closure apparatus for a metallurgical vessel includes a stator to be disposed in a vessel wall and a rotor is rotatably supported in the stator for choking or blocking melt flow. A heating capability is provided in that the rotor is encompassed by an inductor to whose field melt in a through-passage channel in the rotor or the rotor can be coupled electromagnetically.
    Type: Grant
    Filed: November 19, 1996
    Date of Patent: November 25, 1997
    Assignee: Didier-Werke AG
    Inventors: Raimund Bruckner, Rick Ardell, Bernhard Schiefer