TREA

Electric current frequency

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Industry

  • CPC
  • F04C2270/09
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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

F04C2270/09Electric current frequency
Industries

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    REFRIGERANT BYPASS SOLUTION
    • Publication number 20240102710
    • Publication date Mar 28, 2024
    • SCHNEIDER ELECTRIC IT CORPORATION
    • Hongwei Yang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    REFRIGERANT BYPASS SOLUTION
    • Publication number 20220170465
    • Publication date Jun 2, 2022
    • SCHNEIDER ELECTRIC IT CORPORATION
    • Hongwei Yang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMPING SYSTEM HAVING A PLURALITY OF POSITIVE DISPLACEMENT V...
    • Publication number 20210372405
    • Publication date Dec 2, 2021
    • Agilent Technologies, Inc.
    • Christian Spada
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Gas Compressor
    • Publication number 20210156383
    • Publication date May 27, 2021
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Toshiaki YABE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD FOR MONITORING AN OPERATING STATE OF A PUMPING DEVICE
    • Publication number 20200173441
    • Publication date Jun 4, 2020
    • PFEIFFER VACUUM
    • Serge BRANDOLIN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Hermetic Compressor for Positive Displacement
    • Publication number 20180335233
    • Publication date Nov 22, 2018
    • Whirlpool S.A.
    • Rodrigo KREMER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Gas Compressor
    • Publication number 20180291901
    • Publication date Oct 11, 2018
    • HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    • Toshiaki YABE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ANTI-RIPPLE INJECTION METHOD AND APPARATUS AND CONTROL SYSTEM OF A...
    • Publication number 20170298924
    • Publication date Oct 19, 2017
    • EATON CORPORATION
    • Yilun CHEN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SYSTEM AND METHOD OF REMOTELY CONNECTING AND DISCONNECTING THE AUXI...
    • Publication number 20140105757
    • Publication date Apr 17, 2014
    • Whirlpool S.A.
    • Gunter Johann Maass
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC-MOTOR-DRIVEN OIL PUMP CONTROL SYSTEM
    • Publication number 20110129356
    • Publication date Jun 2, 2011
    • HITACHI AUTOMOTIVE SYSTEMS, LTD.
    • Yoshiyuki Kobayashi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD OF OPERATING A PUMPING SYSTEM
    • Publication number 20100047080
    • Publication date Feb 25, 2010
    • The BOC Group plc.
    • Simon Harold Bruce
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Pumping system and method of operation
    • Publication number 20090317261
    • Publication date Dec 24, 2009
    • Simon Harold Bruce
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...