Patents by Inventor Raymond Y. Ong

Raymond Y. Ong 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).

  • Software for finite state machine driven positive pressure ventilator control system
    Patent number: 6158433
    Abstract: An improved software control system for a positive pressure ventilator that implements the controller that regulates the ventilator solenoid as a finite state machine. The use of a state machine implementation provides multiple degrees of freedom to the designer and provides for a modular, fail safe design.
    Type: Grant
    Filed: November 6, 1998
    Date of Patent: December 12, 2000
    Assignee: Sechrist Industries, Inc.
    Inventors: Raymond Y. Ong, Richard H. Hearn