Patents by Inventor Zhihong (Zachary) Chang

Zhihong (Zachary) Chang 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).

  • Patent number: 5839291
    Abstract: A cooling/dispensing system for cooling and dispensing a beverage. A refrigeration system having an evaporator in a cooling tank cools the fluid in the tank and has a compressor connected to the evaporator for cooling the evaporator. A beverage dispensing system includes a carbonator tank in heat exchange relationship with the fluid in the cooling tank, the carbonator having a first input port connected to a gas supply, having a second input port connected to a liquid supply and having a output port, the carbonator for carbonating the liquid from the liquid supply flowing through the carbonator to produce a carbonated liquid product. A dispenser dispenses the beverage and a beverage conduit connected to the output of the carbonator and connected to the dispenser provides the carbonated liquid product to be dispensed as the beverage. A condition sensor senses a condition of the refrigeration system or of the beverage dispensing apparatus.
    Type: Grant
    Filed: August 14, 1996
    Date of Patent: November 24, 1998
    Assignee: Multiplex Company, Inc.
    Inventor: Zhihong (Zachary) Chang