Patents by Inventor Stephan Prettin

Stephan Prettin 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).

  • Device and method for the detection and evaluation of expirograms
    Patent number: 7885771
    Abstract: The invention relates to an apparatus for the acquisition and interpretation of expirograms comprising: a gas measuring probe that is designed to determine the gas concentration ƒmess of a gas in exhaled respiratory air; a reading device that is connected to the gas measuring probe via signal and is designed to read for a plurality of values x1, . . . , xN of an exhaled volume of the exhaled respiratory air the respective determined gas concentrations ƒmess(x1), . . . , ƒmess(xN) from the gas measuring probe; a storage device that is designed to store the values x1, . . . , xN assigned to the gas concentrations ƒmess(x1), . . . , ƒmess(xN); a function fitting unit that is connected to the storage device via signal and that is designed to determine a non-linear fit function ƒ(x)=g(x)·h(x)+OffsetGas ?for the stored gas concentrations ƒmess(x1), . . .
    Type: Grant
    Filed: August 11, 2005
    Date of Patent: February 8, 2011
    Assignee: Universitaetslinkum Freiburg
    Inventors: Kai Roecker, Stephan Prettin