TREA

Haiqiang YUAN

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  • Qingdao City, CN
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Patents Applicationslast 30 patents

  • Information Patent Application

    CRANKCASE AIR VALVE STRUCTURE AND AIR COMPRESSOR
    • Publication number 20250043705
    • Publication date Feb 6, 2025
    • ZF Commercial Vehicle Systems (Qingdao) Co., Ltd.
    • Xiucheng HAO
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    UNLOADING DEVICE AND AIR COMPRESSOR
    • Publication number 20240287982
    • Publication date Aug 29, 2024
    • ZF Commercial Vehicle Systems (Qingdao) Co., Ltd
    • Xiucheng HAO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AIR COMPRESSOR CYLINDER HEAD AND AIR COMPRESSOR
    • Publication number 20240287947
    • Publication date Aug 29, 2024
    • ZF Commercial Vehicle Systems (Qingdao) Co., Ltd
    • Xiucheng HAO
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS