Patents by Inventor Lutz RUFFERT

Lutz RUFFERT 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).

  • Publication number: 20080171947
    Abstract: A breath alcohol-measuring device is provided, which includes a mouthpiece which can be inserted or attached, with a blow-in opening and with a blow-out opening and with a hole for breathing gas sampling in the breath alcohol-measuring device. The breath alcohol-measuring device (2) is equipped with a radiation source (3) and with a light guide (4) receiving the radiation of the radiation source (3). The light guide (4) is arranged extending from the housing of the breath alcohol-measuring device (2) up to the blow-out opening of the mouthpiece (1) such that the light guide (4) acts as an illuminating means for the mouthpiece (1).
    Type: Application
    Filed: October 24, 2007
    Publication date: July 17, 2008
    Applicant: DRAGER SAFETY AG & CO. KGAA
    Inventor: Lutz RUFFERT