Patents by Inventor Nels Henningsen

Nels Henningsen 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 an apparatus for measuring blood pressure
    Patent number: 4938226
    Abstract: A method and apparatus for measuring blood pressure of persons of all ages. The apparatus comprises a cuff with two cushions which focus the pressure on an artery towards the skeleton. When pressing a first button, a valve system entails a slowly, controlled, continuous air outlet in order to make the reading of the systolic and diastolic pressure on a manometer possible.
    Type: Grant
    Filed: January 17, 1989
    Date of Patent: July 3, 1990
    Inventors: Per Danielsson, Nels Henningsen, Hans Coger