Patents by Inventor Helmut Davideit

Helmut Davideit 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).

  • Electrode system for a high-pressure discharge lamp
    Publication number: 20050264213
    Abstract: The electrode system (13) for a high-pressure discharge lamp comprises at least a pin-like shank (4) having a filament (5), fitted in the vicinity of the discharge-side free end, as its head and a connection part (8) connected to the filament, an encircling winding (11) being fitted to the connection part (8), filament and winding being connected to one another via a spacer (24).
    Type: Application
    Filed: November 19, 2004
    Publication date: December 1, 2005
    Applicant: Patent-Treuhand-Gesellschaft Fur Elektrische Gluhlampen MBH
    Inventors: Anton Dambacher, Helmut Davideit, Klaus Meyer
  • Compact high-voltage electric light-bulb
    Publication number: 20020171360
    Abstract: The compact high-voltage incandescent lamp according to the invention has as a luminous element a threefold winding in the form of a double helix (4) which is formed, for its part, from a coiled-coil filament (4a-4c). It is possible in this way to implement high-voltage incandescent lamps with compact dimensions and high luminances.
    Type: Application
    Filed: April 9, 2002
    Publication date: November 21, 2002
    Inventors: Helmut Davideit, Sigbert Mueller