Patents by Inventor Uwe Hashagen

Uwe Hashagen 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).

  • Method of and probe for subsurface exploration
    Patent number: 6321839
    Abstract: A method and probe for detecting the concentration of a substance in a measurement region in a subsurface exploration wherein the electromagnetic energy is delivered to this region and picked up from this region via an optical fiber and the measurement is taken or the electromagnetic energy is supplied at a number of locations within the region.
    Type: Grant
    Filed: August 20, 1999
    Date of Patent: November 27, 2001
    Assignee: Forschungszentrum Julich GmbH
    Inventors: Harry Vereecken, Jürgen Höltenmeier, Uwe Hashagen