Patents by Inventor Dirk Karl-Heinz Ackermann

Dirk Karl-Heinz Ackermann 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).

  • Light source system with open flames
    Patent number: 6902288
    Abstract: The light source system is a combination of two light sources with open flames that are placed in a multiple-legged, tube-like u-shaped container. The arrangement of the light sources is that one light source burns in the bottom of one leg with an upward-directed flame, and the other light source burns with a visibly downward-directed flame in the upper part of the second leg.
    Type: Grant
    Filed: June 24, 2003
    Date of Patent: June 7, 2005
    Inventor: Dirk Karl-Heinz Ackermann
  • Light Source System With Open Flames
    Publication number: 20040057238
    Abstract: The light source system is a combination of two light sources with open flames that are placed in a multiple-legged, tube-like u-shaped container. The arrangement of the light sources is that one light source burns in the bottom of one leg with an upward-directed flame, and the other light source burns with a visibly downward-directed flame in the upper part of the second leg.
    Type: Application
    Filed: June 24, 2003
    Publication date: March 25, 2004
    Inventor: Dirk Karl-Heinz Ackermann