Patents by Inventor Wolfgang Keckeis

Wolfgang Keckeis 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).

  • Lighting fitting with a basic unit as support for at least one lamp
    Patent number: 6155693
    Abstract: A light fitting (1) has a base body (2) on which can be mounted at least one lamp (23, 91), an operating device (12) and, optionally, reflectors (60). A fastener, which engages the base body directly, is provided for fixing the light fitting to a ceiling (71) or to a wall. The base body is formed with two side body walls (9) which enclose a trough-like space (11); and the fastener is accessible on the side of the base body walls which face the ceiling or the wall.
    Type: Grant
    Filed: May 13, 1999
    Date of Patent: December 5, 2000
    Assignee: Zumtobel Staff GmbH
    Inventors: Michael Spiegel, Wolfgang Keckeis