Patents by Inventor Kenneth A. Hausman

Kenneth A. Hausman 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).

  • Pulse oximeter
    Patent number: 4883353
    Abstract: A pulse oximeter having a sensor responsive to light transmitted through an area of blood flow which is optically absorbed by hemoglobin for producing a pulsatile waveform indicating the current pulsatile component of blood flow. A process waveform is created for tracking the process of the oximeter during its determination of a maximum and a minimum value of the pulsatile waveform, which is used for calculating the saturation of oxygen.
    Type: Grant
    Filed: February 11, 1988
    Date of Patent: November 28, 1989
    Assignee: Puritan-Bennett Corporation
    Inventors: Kenneth A. Hausman, Edwin B. Merrick