Patents by Inventor Helmut Tiesler

Helmut Tiesler 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).

  • Electric incandescent lamp
    Patent number: 5233264
    Abstract: In an electric incandescent lamp having a bulb (1) including a glass pinch (2) which is retained in a metal cap (3) with a rectangular cross-section, the cap is provided with outwardly bent tags (7) at the wider sides (10) of its end facing the bulb (1). The tags (7) each have at their free ends a rim (9) which runs at least substantially parallel to lamp axis (X--X).
    Type: Grant
    Filed: June 19, 1990
    Date of Patent: August 3, 1993
    Assignee: U.S. Philips Corporation
    Inventors: Helmut Tiesler, Wilfried Krings, Wilfried Emunds, Hermann Muller
  • Lamp/reflector unit
    Patent number: 5206799
    Abstract: The lamp/reflector unit comprises a metal reflector (1) within which an electric lamp (3) is secured. A lamp base (20) is mounted to the reflector (1) by means of an elastic synthetic resin (23), which may substantially fill up the lamp base (20). Current conductors (22) which may each be composed of several thinner conductors, may connect contacts (21) of the lamp base (20) to current supply conductors (7) emanating from the lamp (3). They may be made of copper and be secured to the current supply conductors (7) in a clamping manner. The unit suppresses acoustic resonance.
    Type: Grant
    Filed: November 12, 1991
    Date of Patent: April 27, 1993
    Assignee: U.S. Philips Corporation
    Inventor: Helmut Tiesler