Patents by Inventor Helmut Senkel

Helmut Senkel 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).

  • Lamp with a linear light source
    Patent number: 4554619
    Abstract: A lamp includes a housing in which a wiring and a switching circuit are accommodated. A linear light source, which can be a hot cathode lamp or a cold cathode lamp, is located outside the lamp and is at least partially accommodated in a recess provided in the lamp housing and opened outwardly.
    Type: Grant
    Filed: October 9, 1984
    Date of Patent: November 19, 1985
    Assignee: Semperlux GmbH
    Inventors: Armin Bansbach, Helmut Senkel