TREA

having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members

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  • F04C18/34
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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 F04C18/00Rotary-piston pumps specially adapted for elastic fluids

Current Industry

F04C18/34having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary compressor
    • Patent number 12,313,073
    • Issue date May 27, 2025
    • LG Electronics Inc.
    • Seseok Seol
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Cam ring and plate module for vehicle vacuum pumps, and method of m...
    • Patent number 12,312,664
    • Issue date May 27, 2025
    • Hyundai Motor Company
    • Hak Soo Kim
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Rotary compressor
    • Patent number 12,305,642
    • Issue date May 20, 2025
    • LG Electronics Inc.
    • Minho Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary vane pump
    • Patent number 12,297,739
    • Issue date May 13, 2025
    • Valeo Powertrain GmbH
    • Roland Stoessel
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary compressor with vane support portion to suppress or prevent...
    • Patent number 12,258,966
    • Issue date Mar 25, 2025
    • LG Electronics Inc.
    • Joonhong Park
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor
    • Patent number 12,253,083
    • Issue date Mar 18, 2025
    • LG Electronics Inc.
    • Bumdong Sa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump for evaporative emissions system
    • Patent number 12,209,561
    • Issue date Jan 28, 2025
    • Stoneridge Electronics AB
    • Robert James Steinman
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Method for operating a compressor
    • Patent number 12,203,472
    • Issue date Jan 21, 2025
    • Haier US Appliance Solutions, Inc.
    • Joseph Wilson Latham
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump with an oil management system
    • Patent number 12,180,962
    • Issue date Dec 31, 2024
    • FIELDPIECE INSTRUMENTS, INC.
    • Tinggui Hong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multistage compressor system with intercooler
    • Patent number 12,163,518
    • Issue date Dec 10, 2024
    • Mark W. Wood
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Flange and pump body assembly with same
    • Patent number 12,152,584
    • Issue date Nov 26, 2024
    • Gree Electric Appliances, Inc. of Zhuhai
    • Mingzhu Dong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor
    • Patent number 12,110,894
    • Issue date Oct 8, 2024
    • LG Electronics Inc.
    • Jinung Shin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor
    • Patent number 12,098,718
    • Issue date Sep 24, 2024
    • LG Electronics Inc.
    • Yongkyu Choi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor having round part placed near outlet port
    • Patent number RE50087
    • Issue date Aug 20, 2024
    • LG Electronics Inc.
    • Seokhwan Moon
  • Information Patent Grant

    Rotary compressor
    • Patent number 12,038,002
    • Issue date Jul 16, 2024
    • LG Electronics Inc.
    • Kiyoul Noh
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor
    • Patent number 12,018,686
    • Issue date Jun 25, 2024
    • LG Electronics Inc.
    • Jinung Shin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor with specific suction geometry
    • Patent number RE50022
    • Issue date Jun 25, 2024
    • LG Electronics Inc.
    • Jinung Shin
  • Information Patent Grant

    Vane rotary compressor with pressure reducing member inserted into...
    • Patent number 11,971,032
    • Issue date Apr 30, 2024
    • LG Electronics Inc.
    • Kiyoul Noh
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump
    • Patent number 11,927,190
    • Issue date Mar 12, 2024
    • SCHWÄBISCHE HÜTTENWERKE AUTOMOTIVE GMBH
    • Thomas Tontsch
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuuming device and vacuum apparatus
    • Patent number 11,905,958
    • Issue date Feb 20, 2024
    • Hong Wang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pumping assembly, compressor and air conditioning equipment
    • Patent number 11,898,562
    • Issue date Feb 13, 2024
    • Gree Electric Appliances, Inc. of Zhuhai
    • Yusheng Hu
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary compressor having improved vane chattering performance
    • Patent number 11,891,995
    • Issue date Feb 6, 2024
    • LG Electronics Inc.
    • Seseok Seol
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary slide assembly, and method for monitoring the wear of a slid...
    • Patent number 11,873,814
    • Issue date Jan 16, 2024
    • Gebr. Becker GmbH
    • Stefan Beierlein
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vane pump
    • Patent number 11,873,815
    • Issue date Jan 16, 2024
    • HELLA GMBH & CO. KGAA
    • Sascha Bruemmer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump with an oil management system
    • Patent number 11,852,143
    • Issue date Dec 26, 2023
    • FIELDPIECE INSTRUMENTS, INC.
    • Tinggui Hong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable capacity compressor operation mode determination method an...
    • Patent number 11,808,261
    • Issue date Nov 7, 2023
    • Gree Electric Appliances, Inc. of Zhuhai
    • Hua Liu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Piston limiting structure, compressor, and heat exchange apparatus
    • Patent number 11,788,530
    • Issue date Oct 17, 2023
    • GREE ELECTRIC APPLICANCES, INC. OF ZHUHAI
    • Yusheng Hu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor
    • Patent number 11,773,854
    • Issue date Oct 3, 2023
    • LG Electronics Inc.
    • Sedong Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil-lubricated rotary vane vacuum pump
    • Patent number 11,767,845
    • Issue date Sep 26, 2023
    • Gebr. Becker GmbH
    • Artjom Kraft
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hermetic compressor including an intermediate plate having a curved...
    • Patent number 11,754,071
    • Issue date Sep 12, 2023
    • LG Electronics Inc.
    • Seokhwan Moon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    CAM RING AND PLATE MODULE FOR VEHICLE VACUUM PUMPS, AND METHOD OF M...
    • Publication number 20250122601
    • Publication date Apr 17, 2025
    • Hyundai Motor Company
    • Hak Soo Kim
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    KIDNEY PORT CONFIGURATIONS IN PORT PLATES FOR BALANCED VANES
    • Publication number 20250101977
    • Publication date Mar 27, 2025
    • HAMILTON SUNDSTRAND CORPORATION
    • Edward W. Goy
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR AND AIR CONDITIONER
    • Publication number 20250043783
    • Publication date Feb 6, 2025
    • DAIKIN INDUSTRIES, LTD.
    • Ryosuke WADA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20250035113
    • Publication date Jan 30, 2025
    • LG ELECTRONICS INC.
    • Minho LEE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR AND HOME APPLIANCE INCLUDING SAME
    • Publication number 20250027496
    • Publication date Jan 23, 2025
    • Samsung Electronics Co., Ltd.
    • Joonhyung KIM
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20240344518
    • Publication date Oct 17, 2024
    • LG ELECTRONICS INC.
    • Seseok SEOL
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20240309870
    • Publication date Sep 19, 2024
    • LG ELECTRONICS INC.
    • Joonhong Park
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR UNIT AND REFRIGERATION APPARATUS
    • Publication number 20240230175
    • Publication date Jul 11, 2024
    • DAIKIN INDUSTRIES, LTD.
    • Daiki KIKUTAKE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR AND FREEZER
    • Publication number 20240229795
    • Publication date Jul 11, 2024
    • Daikin Industries, Ltd.
    • Hiromichi UENO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP WITH AN OIL MANAGEMENT SYSTEM
    • Publication number 20240110566
    • Publication date Apr 4, 2024
    • Fieldpiece Instruments, Inc.
    • Tinggui Hong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY VANE VACUUM PUMP WITH GAS BALLAST ASSEMBLY
    • Publication number 20240077078
    • Publication date Mar 7, 2024
    • Leybold (Tianjin) International Trade Co Ltd
    • Li Ouyang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD FOR OPERATING A COMPRESSOR
    • Publication number 20240035473
    • Publication date Feb 1, 2024
    • Haier US Appliance Solutions, Inc.
    • Joseph Wilson Latham
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VALVELESS DEVICES FOR PULSATILE FLUID FLOW
    • Publication number 20240011485
    • Publication date Jan 11, 2024
    • Arizona Board of Regents on behalf of The University of Arizona
    • Marvin J. Slepian
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    COMPRESSOR, REFRIGERATION CYCLE DEVICE, AND AIR CONDITIONER
    • Publication number 20230366593
    • Publication date Nov 16, 2023
    • Mitsubishi Electric Corporation
    • Kazuhiko BABA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20230349382
    • Publication date Nov 2, 2023
    • LG ELECTRONICS INC.
    • Jinung SHIN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Flange and Pump Body Assembly with Same
    • Publication number 20230332600
    • Publication date Oct 19, 2023
    • GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
    • Mingzhu Dong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ACCUMULATOR FIXING DEVICE FOR COMPRESSOR AND COMPRESSOR HAVING THE...
    • Publication number 20230235670
    • Publication date Jul 27, 2023
    • LG ELECTRONICS INC.
    • Kwangkyou LEE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20230228270
    • Publication date Jul 20, 2023
    • LG ELECTRONICS INC.
    • SeSeok Seol
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20230184250
    • Publication date Jun 15, 2023
    • LG ELECTRONICS INC.
    • Bumdong SA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MULTISTAGE COMPRESSOR SYSTEM WITH INTERCOOLER
    • Publication number 20230144667
    • Publication date May 11, 2023
    • Mark W. Wood
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE ROTARY COMPRESSOR
    • Publication number 20230137074
    • Publication date May 4, 2023
    • LG ELECTRONICS INC.
    • Joonhong Park
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20230131102
    • Publication date Apr 27, 2023
    • LG ELECTRONICS INC.
    • Sedong LEE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20230125736
    • Publication date Apr 27, 2023
    • LG ELECTRONICS INC.
    • Jinung Shin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20230088672
    • Publication date Mar 23, 2023
    • LG ELECTRONICS INC.
    • Seseok SEOL
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE ROTARY COMPRESSOR
    • Publication number 20230047035
    • Publication date Feb 16, 2023
    • LG ELECTRONICS INC.
    • Kiyoul NOH
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    X-RAY INSPECTION APPARATUS, X-RAY INSPECTION SYSTEM, IMAGE MANAGEME...
    • Publication number 20230046611
    • Publication date Feb 16, 2023
    • Omron Corporation
    • Hironori KASAHARA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP FOR EVAPORATIVE EMISSIONS SYSTEM
    • Publication number 20220403801
    • Publication date Dec 22, 2022
    • Stoneridge Control Devices, Inc
    • Robert James Steinman
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ROTARY SLIDE ASSEMBLY, AND METHOD FOR MONITORING THE WEAR OF A SLID...
    • Publication number 20220356880
    • Publication date Nov 10, 2022
    • Gebr. Becker GmbH
    • Stefan BEIERLEIN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMPING SYSTEM HAVING AN OIL-LUBRICATED VACUUM PUMP
    • Publication number 20220235772
    • Publication date Jul 28, 2022
    • Agilent Technologies, Inc.
    • Roberto Carboneri
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP
    • Publication number 20220196014
    • Publication date Jun 23, 2022
    • HELLA GmbH & Co. KGaA
    • Sascha BRUEMMER
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...