Patents by Inventor Andreas Lembcke

Andreas Lembcke 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).

  • Sodium high-pressure lamp having a starting aid
    Patent number: 6429588
    Abstract: In the case of a sodium high-pressure lamp having a ceramic, tubular discharge vessel (1), an electrically conducting starting aid is fitted outside on the discharge vessel. Said aid comprises an axially parallel longitudinal strip (4) of prescribed width B to which a partial circle (6) surrounding the discharge vessel is attached approximately at the level of each electrode (2).
    Type: Grant
    Filed: February 24, 2000
    Date of Patent: August 6, 2002
    Assignee: Patent-Treuhand-Gesellschaft fuer elektrische Gluehlampen mbH
    Inventors: Klaus Guenther, Andreas Lembcke