TREA

with helical teeth

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Industry

  • CPC
  • F04C18/16
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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

F04C18/16with helical teeth
Industries

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    TWO-STAGE REFRIGERANT COMPRESSOR AND OPERATION METHOD THEREOF
    • Publication number 20240418169
    • Publication date Dec 19, 2024
    • FU SHENG INDUSTRIAL CO., LTD.
    • Wei-Hsu LIN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCREW COMPRESSOR, AND REFRIGERATION APPARATUS
    • Publication number 20240401594
    • Publication date Dec 5, 2024
    • DAIKIN INDUSTRIES, LTD.
    • Takashi INOUE
    • 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
    • Publication number 20240392785
    • Publication date Nov 28, 2024
    • HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    • Shigeyuki YORIKANE
    • 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

    VIBRATION FREQUENCY ADJUSTMENT SYSTEM
    • Publication number 20240384773
    • Publication date Nov 21, 2024
    • YORK (WUXI) AIR CONDITIONING AND REFRIGERATION CO. , LTD.
    • Qinghua Tang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELEMENT FOR COMPRESSING A GAS AND METHOD FOR CONTROLLING SUCH ELEMENT
    • Publication number 20240376894
    • Publication date Nov 14, 2024
    • ATLAS COPCO AIRPOWER, naamloze vennootschap
    • Wim MATHYS
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR ASSEMBLY
    • Publication number 20240360830
    • Publication date Oct 31, 2024
    • ATLAS COPCO AIRPOWER, naamloze vennootschap
    • Thomas Luc SWERTS
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPACT VARIABLE VOLUME INDEX VALVE FOR SCREW COMPRESSOR BACKGROUND
    • Publication number 20240352935
    • Publication date Oct 24, 2024
    • Hitachi Global Air Power US, LLC
    • Jonathan D. BATDORFF
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SPIRAL VALVE FOR SCREW CAPACITY CONTROL
    • Publication number 20240352936
    • Publication date Oct 24, 2024
    • Hitachi Global Air Power US, LLC
    • Jonathan D. BATDORFF
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELEMENT, DEVICE AND METHOD FOR COMPRESSING A GAS
    • Publication number 20240344516
    • Publication date Oct 17, 2024
    • ATLAS COPCO AIRPOWER, naamloze vennootschap
    • Michail GEORGIOU
    • 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

    VOLUME RATIO CONTROL SYSTEM FOR A COMPRESSOR
    • Publication number 20240318656
    • Publication date Sep 26, 2024
    • TYCO FIRE & SECURITY GMBH
    • Paul Nemit
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCREW COMPRESSOR WITH MULTI-LAYERED COATING OF THE ROTOR SCREWS
    • Publication number 20240309869
    • Publication date Sep 19, 2024
    • KAESER KOMPRESSOREN SE
    • Andreas Foerster
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AIR AND OIL SEPARATION DEVICE
    • Publication number 20240301884
    • Publication date Sep 12, 2024
    • Joy Global Surface Mining Inc
    • Scott McMahon
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    ELEMENT, DEVICE AND METHOD FOR COMPRESSION OF A GAS TO BE COMPRESSE...
    • Publication number 20240301879
    • Publication date Sep 12, 2024
    • ATLAS COPCO AIRPOWER, naamloze vennootschap
    • Mukesh LALCHANDANI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCREW COMPRESSOR AND REFRIGERATION SYSTEM HAVING IT
    • Publication number 20240287990
    • Publication date Aug 29, 2024
    • Carrier Corporation
    • Lifeng Wang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DRIVE SYSTEM FOR A MULTI-STAGE SCREW COMPRESSOR
    • Publication number 20240280105
    • Publication date Aug 22, 2024
    • COMPAIR DRUCKLUFTTECHNIK - ZWEIGNIEDERLASSUNG DER Gardner Denver Deutschland...
    • Rainer Oberhausen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DRY-COMPRESSION COMPRESSOR AND METHOD FOR OIL SEPARATION FOR A DRY-...
    • Publication number 20240229794
    • Publication date Jul 11, 2024
    • KAESER KOMPRESSOREN SE
    • Dirk SIMROSS
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Slide Valve for a Twin-Screw Compressor
    • Publication number 20240191713
    • Publication date Jun 13, 2024
    • TYCO FIRE & SECURITY GMBH
    • Shengmei Yang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELEMENT, DEVICE AND METHOD FOR COMPRESSING GAS TO BE COMPRESSED HAV...
    • Publication number 20240191714
    • Publication date Jun 13, 2024
    • ATLAS COPCO AIRPOWER, naamloze vennootschap
    • Mukesh LALCHANDANI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCREW COMPRESSOR
    • Publication number 20240183357
    • Publication date Jun 6, 2024
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Shota TANIMOTO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Dual-Fuel Power System and Air Supply and Purging Method Thereof
    • Publication number 20240175396
    • Publication date May 30, 2024
    • YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
    • Jianwei WANG
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ROTOR PAIR FOR A COMPRESSION BLOCK OF A SCREW MACHINE
    • Publication number 20240175436
    • Publication date May 30, 2024
    • KAESER KOMPRESSOREN SE
    • Gerald Weih
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD FOR DETECTING AND MONITORING CONDENSATE IN AN OIL SYSTEM OF...
    • Publication number 20240151230
    • Publication date May 9, 2024
    • ATLAS COPCO AIRPOWER, naamloze vennootschap
    • Jeroen Alois M. FIRLEFIJN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCREW COMPRESSOR
    • Publication number 20240141895
    • Publication date May 2, 2024
    • MITSUBISHI ELECTRIC CORPORATION
    • Takao MITSUI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MULTI-STAGE SCREW COMPRESSOR
    • Publication number 20240141896
    • Publication date May 2, 2024
    • HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    • Takeshi TSUCHIYA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotor Assembly, Compressor and Air Conditioner
    • Publication number 20240110565
    • Publication date Apr 4, 2024
    • GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
    • Hua Liu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DIRECT DRIVE REFRIGERANT SCREW COMPRESSOR WITH REFRIGERANT LUBRICAT...
    • Publication number 20240102472
    • Publication date Mar 28, 2024
    • Carrier Corporation
    • Yifan QIU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotor Assembly, Compressor and Air Conditioner
    • Publication number 20240084802
    • Publication date Mar 14, 2024
    • GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
    • Jianming Tan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...