Patents Assigned to Qingdao Refrigeration Technology Research Institute
  • Cabinet air conditioner
    Patent number: D454187
    Type: Grant
    Filed: February 14, 2001
    Date of Patent: March 5, 2002
    Assignees: Haier Group Corporation, Qingdao Refrigeration Technology Research Institute
    Inventors: Danxiao Wang, Wendong Cai
  • Refrigerator
    Patent number: D456032
    Type: Grant
    Filed: February 14, 2001
    Date of Patent: April 23, 2002
    Assignees: Haier Group Corporation, Qingdao Refrigeration Technology Research Institute
    Inventors: Guanglin Du, Gongwei Xu
  • Impeller washing machine
    Patent number: D465307
    Type: Grant
    Filed: February 14, 2001
    Date of Patent: November 5, 2002
    Assignees: Haier Group Corporation, Qingdao Refrigeration Technology Research Institute
    Inventors: Guanglin Du, Yongsheng Zhang
  • Drum washing machine
    Patent number: D465622
    Type: Grant
    Filed: February 14, 2001
    Date of Patent: November 12, 2002
    Assignees: Haier Group Corporation, Qingdao Refrigeration Technology Research Institute
    Inventors: Danxiao Wang, Jianzhong Liu
  • Split-type room air conditioner
    Patent number: D472624
    Type: Grant
    Filed: February 14, 2001
    Date of Patent: April 1, 2003
    Assignees: Haier Group Corporation, Qingdao Refrigeration Technology Research Institute
    Inventors: Zhenyu Liu, Dawei Zhu, Linxia Huang
  • Water heater
    Patent number: D485893
    Type: Grant
    Filed: February 14, 2001
    Date of Patent: January 27, 2004
    Assignees: Haier Group Corporation, Qingdao Refrigeration Technology Research Institute
    Inventors: Guanglin Du, Jinjia Zhang