Patents by Inventor Paul J. Tillotson

Paul J. Tillotson 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).

  • Pulmonary interface system
    Patent number: 5676132
    Abstract: A device for sensing the respiratory air of a patient. The device includes a venturi tube through which the patient inspires and expires, the tube having a constricted midportion. The tube also has an inspiration orifice, an expiration orifice, and a central orifice therebetween. An air mass flow sensor is positioned in the tube. A flow direction housing is attached to the tube and has a channel with an inspiration portion, an expiration portion, and a central portion therebetween. The housing also has an inspiration opening providing communication between the tube inspiration orifice and an end portion of the inspiration channel away from the central channel portion, an expiration opening providing communication between the tube expiration orifice and an end portion of the expiration channel portions away from the central channel portion, and a central opening providing communication between the tube central orifice and the central channel portion.
    Type: Grant
    Filed: December 5, 1995
    Date of Patent: October 14, 1997
    Assignee: Pulmonary Interface, Inc.
    Inventors: Paul J. Tillotson, Thomas T. Taylor, Timothy R. Tajchman, Ronald D. Bingel, Sr.