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  • CPC
  • F04C2270/782
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS F04C2270/00Control Monitoring or safety arrangements

Current Industry

F04C2270/782Sound
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Control of liquid ring pump
    • Patent number 12,188,473
    • Issue date Jan 7, 2025
    • Edwards Technologies Vacuum Engineering (Qingdao) Company Limited
    • Xin Dai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary blower with forced external air cooling
    • Patent number 6,817,844
    • Issue date Nov 16, 2004
    • Hi-Bar Blowers, Inc.
    • Qi Wang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    CONTROL OF LIQUID RING PUMP
    • Publication number 20240133380
    • Publication date Apr 25, 2024
    • Edwards Technologies Vacuum Engineering (Qingdao) Co Ltd
    • Xin Dai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD FOR OPERATING A SCROLL VACUUM PUMP
    • Publication number 20230392600
    • Publication date Dec 7, 2023
    • Leybold GmbH
    • Alexander Kaiser
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...