Patents by Inventor Chang M. Hwang

Chang M. Hwang 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).

  • Cardiopulmonary life support system
    Patent number: 6817971
    Abstract: A cardiopulmonary life support system is disclosed. The life support system comprises a housing defined by a top side, a bottom side, and an inner periphery. First and second tubes are adjacent to each other in the housing, and the first and second tubes each have an input port and an output port. An alternating member is attached to the housing and disposed between the first and second tubes. The alternating member alternately squeezes the first and second tubes.
    Type: Grant
    Filed: December 7, 2001
    Date of Patent: November 16, 2004
    Assignee: Newheartbio Co., LTD
    Inventors: Byoung G. Min, Yong S. Won, Kyung Sun, Kwang J. Baek, Hyuk S. Lee, Yang R. Roh, Chang M. Hwang, Jung C. Lee, Whang J. Lee
  • Cardiopulmonary life support system
    Publication number: 20030060675
    Abstract: A cardiopulmonary life support system is disclosed. The life support system comprises a housing defined by a top side, a bottom side, and an inner periphery. First and second tubes are adjacent to each other in the housing, and the first and second tubes each have an input port and an output port. An alternating member is attached to the housing and disposed between the first and second tubes. The alternating member alternately squeezes the first and second tubes.
    Type: Application
    Filed: December 7, 2001
    Publication date: March 27, 2003
    Inventors: Byoung G. Min, Yong S. Won, Kyung Sun, Kwang J. Baek, Hyuk S. Lee, Yang R. Roh, Chang M. Hwang, Jung C. Lee, Whang J. Lee