Patents by Inventor Luc Dubé

Luc Dubé 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).

  • Injection system for delivery of a gaseous substance
    Patent number: 7201166
    Abstract: An injection system for the delivery of a gaseous substance to a patient respiratory system is described herein. The injection system includes a control unit and a valve assembly including a valve and a valve actuator allowing partial opening of the valve and controlled by the control unit. The control unit is supplied with gas flow data and controls the valve assembly so that the opening of the valve is a function to the gas flow to thereby enable the control over the concentration of the gaseous substance delivered to the patient.
    Type: Grant
    Filed: August 6, 2004
    Date of Patent: April 10, 2007
    Inventors: Gilbert Blaise, Luc Dubé, Raymond Carrier