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Dongqiang CAO

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  • Qingdao, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Refrigerating and freezing device
    • Patent number 12,013,173
    • Issue date Jun 18, 2024
    • Qingdao Haier Refrigerator Co., Ltd.
    • Haijuan Wang
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigerating and freezing device
    • Patent number 12,007,164
    • Issue date Jun 11, 2024
    • Qingdao Haier Refrigerator Co., Ltd.
    • Haijuan Wang
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigerator with divider
    • Patent number 11,835,289
    • Issue date Dec 5, 2023
    • QINGDAO HAIER REFRIGERATOR CO., LTD.
    • Jing Wang
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigerator with return air inlets formed in two sidewalls of cabinet
    • Patent number 11,435,128
    • Issue date Sep 6, 2022
    • QINGDAO HAIER REFRIGERATOR CO., LTD.
    • Shanshan Liu
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

  • Information Patent Application

    LIQUID RESERVOIR FOR REFRIGERATION SYSTEM, AND REFRIGERATOR
    • Publication number 20230304720
    • Publication date Sep 28, 2023
    • QINGDAO HAIER SPECIAL REFRIGERATOR CO., LTD
    • Jianquan CHEN
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERATOR HAVING EVAPORATOR DISPOSED AT BOTTOM OF REFRIGERATOR BODY
    • Publication number 20230272964
    • Publication date Aug 31, 2023
    • QINGDAO HAIER REFRIGERATOR CO., LTD
    • Jian MA
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERATOR
    • Publication number 20220341651
    • Publication date Oct 27, 2022
    • QINGDAO HAIER REFRIGERATOR CO., LTD
    • Xiaobing ZHU
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERATOR WITH IMPROVED EVAPORATOR INSTALLATION STRUCTURE
    • Publication number 20220341654
    • Publication date Oct 27, 2022
    • QINGDAO HAIER REFRIGERATOR CO., LTD
    • Wei LI
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERATOR
    • Publication number 20220154997
    • Publication date May 19, 2022
    • QINGDAO HAIER REFRIGERATOR CO., LTD
    • Jing WANG
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERATING AND FREEZING DEVICE
    • Publication number 20220128297
    • Publication date Apr 28, 2022
    • QINGDAO HAIER REFRIGERATOR CO., LTD
    • Haijuan WANG
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERATOR WITH DIVIDER
    • Publication number 20220128289
    • Publication date Apr 28, 2022
    • QINGDAO HAIER REFRIGERATOR CO., LTD
    • Jing WANG
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERATOR
    • Publication number 20220128287
    • Publication date Apr 28, 2022
    • QINGDAO HAIER REFRIGERATOR CO., LTD
    • Xiaobing ZHU
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERATING AND FREEZING DEVICE
    • Publication number 20220113084
    • Publication date Apr 14, 2022
    • QINGDAO HAIER REFRIGERATOR CO., LTD
    • Haijuan WANG
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    HEATING DEVICE
    • Publication number 20220104318
    • Publication date Mar 31, 2022
    • HAIER SMART HOME CO., LTD.
    • Haijuan WANG
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Application

    REFRIGERATOR WITH RETURN AIR INLETS FORMED IN TWO SIDEWALLS OF CABINET
    • Publication number 20220042734
    • Publication date Feb 10, 2022
    • QINGDAO HAIER REFRIGERATOR CO., LTD
    • Shanshan LIU
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...