Patents by Inventor Yong-Gwi Ahn

Yong-Gwi Ahn 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).

  • Heat exchanger
    Patent number: 6745827
    Abstract: A heat exchanger uses a refrigerant acting under a high pressure, such as carbon dioxide, as a refrigerant.
    Type: Grant
    Filed: September 27, 2002
    Date of Patent: June 8, 2004
    Assignee: Halla Climate Control Corporation
    Inventors: Jun-Kang Lee, Kil-Sang Jang, In-Cheol Han, Chang-Ho Park, Yong-Gwi Ahn, Hwang-Jae Ahn
  • Heat exchanger
    Publication number: 20030066633
    Abstract: A heat exchanger uses a refrigerant acting under a high pressure, such as carbon dioxide, as a refrigerant.
    Type: Application
    Filed: September 27, 2002
    Publication date: April 10, 2003
    Applicant: HALLA CLIMATE CONTROL CORPORATION
    Inventors: Jun-Kang Lee, Kil-Sang Jang, In-Cheol Han, Chang-Ho Park, Yong-Gwi Ahn, Hwang-Jae Ahn
  • Multiflow type condenser for an air conditioner
    Patent number: 6062303
    Abstract: A multiflow type condenser for an automobile air conditioner comprising: a pair of header pipes disposed in parallel with each other and arranged to have an inlet and an outlet; a pluratlity of flat tubes each connected to said header pipes at opposite ends thereof, each of said flat tubes having a plurality of inside fluid paths, a hydraulic diameter of said inside fluid paths being in the range of about 1 to 1.
    Type: Grant
    Filed: September 25, 1998
    Date of Patent: May 16, 2000
    Assignee: Halla Climate Control Corp.
    Inventors: Yong Gwi Ahn, Sang Yul Lee, Seung Hwan Kim, Sang Ok Lee, Kwang Heon Oh, Yong Ho Kim