Patents by Inventor Andreas Gerk

Andreas Gerk 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).

  • Gas concentration measuring apparatus
    Patent number: 7705991
    Abstract: A gas concentration measuring apparatus is in miniaturized form and permits the measurement of anesthetic gas components. A variable interferometer is provided on the basis of a Fabry Perot interferometer (1) wherein the mirrors (2, 3) can be changed in spacing with respect to each other. The mirrors (2, 3) have coatings which make possible the transmission in two spectral ranges (??1, ??2).
    Type: Grant
    Filed: September 24, 2007
    Date of Patent: April 27, 2010
    Assignee: Draeger Medical AG & Co. KG
    Inventors: Ralf Döring, Andreas Gerk, Günter Steinert, Peter Drever
  • Gas concentration measuring apparatus
    Publication number: 20080074647
    Abstract: A gas concentration measuring apparatus is in miniaturized form and permits the measurement of anesthetic gas components. A variable interferometer is provided on the basis of a Fabry Perot interferometer (1) wherein the mirrors (2, 3) can be changed in spacing with respect to each other. The mirrors (2, 3) have coatings which make possible the transmission in two spectral ranges (??1, ??2).
    Type: Application
    Filed: September 24, 2007
    Publication date: March 27, 2008
    Inventors: Ralf Doring, Andreas Gerk, Gunter Steinert, Peter Drever