Patents by Inventor Chai Xiong

Chai Xiong 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).

  • Electronic breathing system
    Publication number: 20050056284
    Abstract: An electronic breathing system comprising a facemask for receiving compressed air, a first stage regulator to reduce the air pressure, a demand valve to control the flow of air to the facemask, an exhalation valve to control the flow of air from the facemask, a pressure transducer to detect changes in pressure in the facemask, and a microprocessor to control the opening and closing of the valves.
    Type: Application
    Filed: September 15, 2003
    Publication date: March 17, 2005
    Inventors: Fred Rascoe, Chai Xiong, Barry Martin, Bob Baron