TREA

Qunyi Ma

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  • Shanghai, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Piping assembly and refrigeration system
    • Patent number 12,044,259
    • Issue date Jul 23, 2024
    • Carrier Corporation
    • Lei Yu
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    ORIFICE SET AND CHILLER SYSTEM HAVING IT
    • Publication number 20230288107
    • Publication date Sep 14, 2023
    • Carrier Corporation
    • Yang Yu
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    PIPING ASSEMBLY AND REFRIGERATION SYSTEM
    • Publication number 20220034338
    • Publication date Feb 3, 2022
    • Carrier Corporation
    • Lei Yu
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL