TREA

Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids Pumping installations specially adapted for elastic fluids Multi-stage pumps specially adapted for elastic fluids

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Industry

  • CPC
  • F04C23/00
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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

Current Industry

F04C23/00Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids Pumping installations specially adapted for elastic fluids Multi-stage pumps specially adapted for elastic fluids

Sub Industries

F04C23/001of similar working principle F04C23/003having complementary function F04C23/005of dissimilar working principle F04C23/006having complementary function F04C23/008Hermetic pumps F04C23/02Pumps characterised by combination with or adaptation to specific driving engines or motors
Industries

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20250180018
    • Publication date Jun 5, 2025
    • LG ELECTRONICS INC.
    • Kangwook LEE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC COMPRESSOR
    • Publication number 20250175096
    • Publication date May 29, 2025
    • KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    • Shun ITO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MOTOR, COMPRESSOR AND AIR CONDITIONER
    • Publication number 20250172322
    • Publication date May 29, 2025
    • AICHI ELECTRIC CO., LTD.
    • Yudai SUZUKI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PARALLEL CONNECTED MULTIPLE SHAFT ROOTS VACUUM PUMP
    • Publication number 20250146490
    • Publication date May 8, 2025
    • ELIVAC CO., LTD.
    • Raymond Zhou Shaw
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LUBRICATION SYSTEM FOR COMPRESSORS
    • Publication number 20250129783
    • Publication date Apr 24, 2025
    • TRANE INTERNATIONAL INC.
    • Eric S. Mlsna
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MULTI-STAGE COMPRESSOR HAVING INTERSTAGE LUBRICANT INJECTION VIA AN...
    • Publication number 20250129784
    • Publication date Apr 24, 2025
    • Ingersoll-Rand Industrial U.S., Inc.
    • Ryan D. Hartman
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC COMPRESSOR
    • Publication number 20250129780
    • Publication date Apr 24, 2025
    • HANON SYSTEMS
    • Hyun Woo Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HERMETIC COMPRESSOR AND REFRIGERATION CYCLE APPARATUS
    • Publication number 20250109748
    • Publication date Apr 3, 2025
    • Mitsubishi Electric Corporation
    • Takuma TSUKAMOTO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COOLING ARRANGEMENT AND METHOD FOR COOLING AN AT LEAST TWO-STAGE CO...
    • Publication number 20250101971
    • Publication date Mar 27, 2025
    • GARDNER DENVER DEUTSCHLAND GmbH
    • Frank Georg Klaus
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC COMPRESSOR
    • Publication number 20250092874
    • Publication date Mar 20, 2025
    • HANON SYSTEMS
    • Seung Kyu Na
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Scroll Compressor And Oldham Ring And Mating Component For Scroll C...
    • Publication number 20250092788
    • Publication date Mar 20, 2025
    • Copeland Climate Technologies (Suzhou) Co., Ltd.
    • Zhongwei MIAO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DRIVE MEMBER FOR SCROLL COMPRESSOR, AND SCROLL COMPRESSOR
    • Publication number 20250084844
    • Publication date Mar 13, 2025
    • DANFOSS (TIANJIN) LTD.
    • Yusong SUN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC COMPRESSOR
    • Publication number 20250084847
    • Publication date Mar 13, 2025
    • Chan Ho Baek
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20250067262
    • Publication date Feb 27, 2025
    • DANFOSS (TIANJIN) LTD.
    • Yusong SUN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR AND METHOD FOR CONTROLLING SCROLL COMPRESSOR
    • Publication number 20250052240
    • Publication date Feb 13, 2025
    • Danfoss Commercial Compressors
    • Patrice BONNEFOI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    UNIFIED VEHICLE PUMP
    • Publication number 20250043785
    • Publication date Feb 6, 2025
    • Atieva, Inc.
    • Daniel Morris
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    ELECTRIC COMPRESSOR
    • Publication number 20250043786
    • Publication date Feb 6, 2025
    • HANON SYSTEMS
    • Eun Gi Son
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Grease pump unit comprising two serially connected pumps
    • Publication number 20250035112
    • Publication date Jan 30, 2025
    • Danhydra A/S
    • Thomas Hove
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC COMPRESSOR
    • Publication number 20250020123
    • Publication date Jan 16, 2025
    • KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    • Tomoaki MIYATA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR AND REFRIGERATION DEVICE
    • Publication number 20250020124
    • Publication date Jan 16, 2025
    • DAIKIN INDUSTRIES, LTD.
    • Daiki KIKUTAKE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCREW COMPRESSOR AND FREEZER
    • Publication number 20250012278
    • Publication date Jan 9, 2025
    • DAIKIN INDUSTRIES, LTD.
    • Yoshiyuki UEMURA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD FOR CONTROLLING A ROTARY SCREW COMPRESSOR
    • Publication number 20240401595
    • Publication date Dec 5, 2024
    • GARDNER DENVER DEUTSCHLAND GmbH
    • Ulrich Thomes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCREW COMPRESSOR HAVING ROTORS MOUNTED ON ONE SIDE
    • Publication number 20240384719
    • Publication date Nov 21, 2024
    • GARDNER DENVER DEUTSCHLAND GmbH
    • Ulrich Thomes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC COMPRESSOR, INVERTER ASSEMBLY JIG AND INVERTER MANUFACTURI...
    • Publication number 20240372445
    • Publication date Nov 7, 2024
    • HANON SYSTEMS
    • Jae Chul Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SECONDARY AIRFLOW PATHS FOR AIR COMPRESSORS
    • Publication number 20240337262
    • Publication date Oct 10, 2024
    • Doosan Bobcat North America, Inc.
    • David Rowe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCREW PUMP, SCREW ROTOR, METHOD OF MANUFACTURING A SCREW ROTOR, AND...
    • Publication number 20240328419
    • Publication date Oct 3, 2024
    • Leybold GmbH
    • Roland Albert Müller
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR AND METHOD FOR CONTROLLING SCROLL COMPRESSOR
    • Publication number 20240287988
    • Publication date Aug 29, 2024
    • Danfoss Comemrcial Compressors
    • Patrice BONNEFOI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP
    • Publication number 20240280103
    • Publication date Aug 22, 2024
    • LG Innotek Co., Ltd.
    • Hoon Ki HONG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC COMPRESSOR
    • Publication number 20240271622
    • Publication date Aug 15, 2024
    • HANON SYSTEMS
    • Hyun Woo Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HERMETIC TYPE COMPRESSOR
    • Publication number 20240230174
    • Publication date Jul 11, 2024
    • FUJITSU GENERAL LIMITED
    • Kenshi UEDA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...