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Patents Applicationslast 30 patents

  • Information Patent Application

    LIQUID-COOLED ROTARY COMPRESSOR AND COOLANT SUPPLY METHOD THEREFOR
    • Publication number 20230383749
    • Publication date Nov 30, 2023
    • Hitachi, Ltd
    • Nae HISANO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GAS COMPRESSOR
    • Publication number 20230366400
    • Publication date Nov 16, 2023
    • Hitachi, Ltd
    • Ryota IIJIMA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...