Patents by Inventor C. K. Chung

C. K. Chung 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).

  • Microarray printing device
    Patent number: 6769760
    Abstract: A microarray printing device includes an elongate holder with a plurality of receiving slots and a plurality of printing pins. Each of the printing pins extends through and is linearly movable in a respective one of the slots in the holder, and has head, tip, and shank portions. The shank portion has a surface formed with at least one longitudinal flute extending from the head portion to the tip portion.
    Type: Grant
    Filed: March 19, 2002
    Date of Patent: August 3, 2004
    Assignee: Metal Industries Research and Development Centre
    Inventors: Hsien-Nan Kuo, Chi-Wah Keong, Chun-Chieh Wang, Paul C. K. Chung
  • Controllable override electric toasting apparatus
    Patent number: 6630184
    Abstract: A controllable electric toasting apparatus primarily for use in the home permits power to be safely disconnected when items become jammed inside. In addition, a carriage assembly inside the toasting apparatus can be raised during a toasting cycle so that the items can be viewed without interrupting the toasting cycle. Also, if an item is smaller than usual and placed in the toasting apparatus, the carriage assembly can be raised beyond its initial raised position to allow convenient removal of the small item.
    Type: Grant
    Filed: December 14, 2000
    Date of Patent: October 7, 2003
    Assignee: Goldus Industrial Ltd.
    Inventors: C. K. Chung, C. F.
  • Controllable override electric toasting apparatus
    Publication number: 20020073851
    Abstract: A controllable electric toasting apparatus primarily for use in the home permits power to be safely disconnected when items become jammed inside. In addition, a carriage assembly inside the toasting apparatus can be raised during a toasting cycle so that the items can be viewed without interrupting the toasting cycle. Also, if an item is smaller than usual and placed in the toasting apparatus, the carriage assembly can be raised beyond its initial raised position to allow convenient removal of the small item.
    Type: Application
    Filed: December 14, 2000
    Publication date: June 20, 2002
    Inventors: C. K. Chung, C. F. Ho