Patents by Inventor Henry Haifeng Zhou

Henry Haifeng Zhou 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).

  • Publication number: 20040007231
    Abstract: The present invention is a respiratory appliance (a face mask or a adaptor of a breathing circuit) with at least one toy, which is played by blowing. The respiratory appliance is used to connect to a breathing circuit and is suitable for pediatric inhalation induction of anesthesia. The respiratory appliance contains adjustable one way valves which control air flows for breathing in anesthetic agents and blowing the toy. Children can smoothly go to sleep when they play with the toy by blowing inside the mask.
    Type: Application
    Filed: July 11, 2002
    Publication date: January 15, 2004
    Inventor: Henry Haifeng Zhou