Patents by Inventor Franz-Josef Bierbauer

Franz-Josef Bierbauer 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).

  • Halogen incandescent-type reflector lamp, particularly for display illumination
    Patent number: 4623815
    Abstract: A reflector lamp (FIG. 2) to form a direct replacement for a sealed-beam ss reflector lamp (FIG. 1) uses a halogen incandescent lamp (14) fitted to terminal strips (16) of a ceramic base (12) located in the reflector. The reflector is made of thin-sheet aluminum - for example about 0.8 mm, the lamp being held in position by a weld connection of the lamp leads to contact strips riveted to the base, and retained against twisting by bent-over flanges (18).
    Type: Grant
    Filed: April 2, 1984
    Date of Patent: November 18, 1986
    Assignee: Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
    Inventors: Rudolf Krieg, Friedrich Ziegler, Franz-Josef Bierbauer