Patents by Inventor Angelika Hackner

Angelika Hackner 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 for determining the pH value of a liquid and sensor arrangement
    Patent number: 9052285
    Abstract: A system and method for determining the pH value of a liquid. The system and method excite the liquid molecules in the liquid by light with a predetermined wavelength and an intensity component, transmitted through the liquid in a predetermined wavelength range, of the light used for excitation is captured. This intensity component is used to produce a wavelength/intensity absorption characteristic and this absorption characteristic is related to a reference absorption characteristic associated with a specific pH value of the liquid. The system and method thus can be used to obtain drinking water from a fuel for aircraft.
    Type: Grant
    Filed: January 22, 2013
    Date of Patent: June 9, 2015
    Assignee: EADS DEUTSCHLAND GmbH
    Inventors: Gerhard Muller, Andreas Helwig, Alois Friedberger, Angelika Hackner