Patents by Inventor Ziquang Hu

Ziquang Hu 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).

  • Methods and apparatus for controlling refrigerators
    Patent number: 7003967
    Abstract: A refrigerator includes a refrigeration compartment having an upper region and a lower region, a first evaporator positioned in the upper region, a second evaporator, positioned in the lower region, and a fan disposed between the first and second evaporators. The fan is configured, such that air flows past first and second evaporators and is discharged into said upper and lower regions when said fan is energized.
    Type: Grant
    Filed: October 11, 2004
    Date of Patent: February 28, 2006
    Assignee: General Electric Company
    Inventors: Alexander Pinkus Rafalovich, Anil Kumar Tummala, Ziquang Hu, John Charles Steimel
  • Methods and apparatus for controlling refrigerators
    Patent number: 6952930
    Abstract: A refrigerator includes a refrigeration compartment having an upper region and a lower region, a first evaporator positioned in the upper region, a second evaporator, positioned in the lower region, and a fan disposed between the first and second evaporators. The fan is configured, such that air flows past first and second evaporators and is discharged into said upper and lower regions when said fan is energized.
    Type: Grant
    Filed: March 31, 2003
    Date of Patent: October 11, 2005
    Assignee: General Electric Company
    Inventors: Alexander Pinkus Rafalovich, Anil Kumar Tummala, Ziquang Hu, John Charles Steimel
  • Methods and apparatus for controlling refrigerators
    Publication number: 20050183429
    Abstract: A refrigerator includes a refrigeration compartment having an upper region and a lower region, a first evaporator positioned in the upper region, a second evaporator, positioned in the lower region, and a fan disposed between the first and second evaporators. The fan is configured, such that air flows past first and second evaporators and is discharged into said upper and lower regions when said fan is energized.
    Type: Application
    Filed: October 11, 2004
    Publication date: August 25, 2005
    Inventors: Alexander Rafalovich, Anil Tummala, Ziquang Hu, John Steimel