Patents by Inventor Stefan Stefanov Dunev

Stefan Stefanov Dunev 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 and device for measurement of exhaled respiratory gas temperature
    Patent number: 8323207
    Abstract: An apparatus for the measurement of exhaled respiratory gas temperature during free voluntary tidal breathing, comprises a housing 1 defining a chamber, an air inlet 2 for receiving a stream of exhaled respiratory gas and an air outlet 4 for permitting escape of exhaled respiratory gas from the chamber to outside of the housing. A tube having inner and outer surfaces, is located within the housing and extends from the air inlet into the chamber provides a passageway through which the stream of exhaled respiratory gas may travel from the air inlet in to the chamber. A temperature sensor 6 is located within the housing for measuring the temperature of exhaled respiratory gas.
    Type: Grant
    Filed: June 12, 2006
    Date of Patent: December 4, 2012
    Assignee: Delmedica Investments Limited
    Inventors: Todor Alexandrov Popov, Stefan Stefanov Dunev
  • Method and Device For Measurement of Exhaled Respiratory Gas Temperature
    Publication number: 20080228098
    Abstract: An apparatus for the measurement of exhaled respiratory gas temperature during free voluntary tidal breathing, comprises a housing 1 defining a chamber, an air inlet 2 for receiving a stream of exhaled respiratory gas and an air outlet 4 for permitting escape of exhaled respiratory gas from the chamber to outside of the housing. A tube having inner and outer surfaces, is located within the housing and extends from the air inlet into the chamber provides a passageway through which the stream of exhaled respiratory gas may travel from the air inlet in to the chamber. A temperature sensor 6 is located within the housing for measuring the temperature of exhaled respiratory gas.
    Type: Application
    Filed: June 12, 2006
    Publication date: September 18, 2008
    Applicant: DELMEDICA INVESTMENTS LIMITED
    Inventors: Todor Alexandrov Popov, Stefan Stefanov Dunev