Patents by Inventor Hung-Yao Chao

Hung-Yao Chao 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).

  • Direct heat recovery absorption refrigeration system
    Patent number: 5293759
    Abstract: An absorption refrigeration system uses a solution and a refrigerant contained in the solution as working mediums.
    Type: Grant
    Filed: July 15, 1992
    Date of Patent: March 15, 1994
    Assignee: Industrial Technology research Institute
    Inventors: Chung-Chiang Lee, Hung-Yao Chao, Peggy Lin, Chi-Chen Chung, Yuh-Yuan Yo