Patents by Inventor Petra Rettberg

Petra Rettberg 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).

  • Ultraviolet radiation dosimeter
    Patent number: 5731589
    Abstract: The invention relates to a radiation dosimeter comprising a sensor arranged in a dosimeter casing and including at least one measuring field and a calibrating zone (64). To provide a dosimeter which can be readily manufactured and comprises a wide measuring range with high precision, it is provided, according to the invention, that the calibrating zone (64) of the sensor (56) is inserted into a radiation-shielded clearance (66) of a double-wall element (68) being formed by folding a radiation-proof web-like material.
    Type: Grant
    Filed: September 20, 1996
    Date of Patent: March 24, 1998
    Assignee: Deutsche Forschungsanstalt fur Luft-und Raumfahrt e.V.
    Inventors: Rolf Sief, Petra Rettberg, Gerda Horneck