Patents by Inventor Hendricus J. Te Loo

Hendricus J. Te Loo 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 lamp with a comparatively robust lamp cap
    Patent number: 6384521
    Abstract: The electric lamp is provided with a cap (3) having a metal shell (8). The shell (8) comprises a cylindrical part (44) which is coupled to a conical part (42) via a rounding (43). By choosing the angle &bgr; between the second part (52) of the conical part (42) and the cylindrical part (44) smaller than the angle &agr;between the first part (51) of the conical part (42) and the cylindrical part (44), the axial strength of the metal shell (8) is increased.
    Type: Grant
    Filed: June 21, 1999
    Date of Patent: May 7, 2002
    Assignee: U.S. Philips Corporation
    Inventors: Peter C. Keim, Hendricus J. Te Loo