Patents by Inventor Christian Ludke

Christian Ludke 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).

  • Temperature control method using empirically determined characteristics
    Patent number: 5703342
    Abstract: The present invention relates to a method for controlling the temperature of a system in accordance with a desired temperature curve which is divided into predetermined time intervals. It is the object of the present invention to control the temperature of the system in such a manner that the predetermined and desired temperature curve is observed as exactly as possible.
    Type: Grant
    Filed: October 21, 1996
    Date of Patent: December 30, 1997
    Assignee: Bodenseewerk Perkin-Elmer GmbH
    Inventors: Erwin Hoffmann, Christian Ludke, Jochen Skole
  • Emission spectral analysis device
    Patent number: 4318614
    Abstract: In a device for the emission spectral analysis of samples, including an evaporating tube for receiving and thermally evaporating a sample, and a hollow cathode and anode for athermally exciting the evaporated sample, the evaporation tube forms said cathode. The anode and cathode are mounted adjacent one another in spaced apart relationship along the axis of the tube.
    Type: Grant
    Filed: April 25, 1980
    Date of Patent: March 9, 1982
    Assignee: Jenoptik Jena GmbH
    Inventors: Heinz Falk, Erwin Hoffman, Christian Ludke