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Industry

  • CPC
  • F04C18/08
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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

F04C18/08of intermeshing-engagement type
Industries

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    ROTARY COMPRESSOR DRIVE LINE
    • Publication number 20240344517
    • Publication date Oct 17, 2024
    • ATLAS COPCO AIRPOWER, naamloze vennootschap
    • Flip Frans MATHYS
    • 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

    GAS COMPRESSION SYSTEM
    • Publication number 20240287989
    • Publication date Aug 29, 2024
    • ATLAS COPCO (WUXI) COMPRESSOR CO., LTD.
    • Chunlin WANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SUPERCHARGER ROTORS FOR INCREASED ENGINE POWER OUTPUT
    • Publication number 20240209856
    • Publication date Jun 27, 2024
    • Brian Tooley Racing, Inc.
    • Brian Keith Tooley
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    GEAR PUMP AND USE THEREOF
    • Publication number 20240200557
    • Publication date Jun 20, 2024
    • MAAG PUMP SYSTEMS AG
    • René TRIEBE
    • 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

    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

    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

    LOW COEFFICIENT OF EXPANSION ROTORS FOR BLOWERS
    • Publication number 20230366399
    • Publication date Nov 16, 2023
    • Gardner Denver, Inc.
    • Roger Clive Palmer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GEARED COMPRESSOR
    • Publication number 20230272796
    • Publication date Aug 31, 2023
    • MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION
    • Hiroyuki Miyata
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPLEX SCREW ROTORS
    • Publication number 20230272797
    • Publication date Aug 31, 2023
    • Gardner Denver, Inc.
    • Luke Gray
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Low Coefficient of Expansion Rotors for Vacuum Boosters
    • Publication number 20230265849
    • Publication date Aug 24, 2023
    • Gardner Denver, Inc.
    • Roger Clive Palmer
    • 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 20230258180
    • Publication date Aug 17, 2023
    • KAESER KOMPRESSOREN SE
    • Andreas Foerster
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTOR PAIR FOR A COMPRESSION BLOCK OF A SCREW MACHINE
    • Publication number 20220136504
    • Publication date May 5, 2022
    • KAESER KOMPRESSOREN SE
    • Gerald Weih
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LOW COEFFICIENT OF EXPANSION ROTORS FOR BLOWERS
    • Publication number 20210310487
    • Publication date Oct 7, 2021
    • GARDNER DENVER INC.
    • Roger Clive Palmer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotary Fluid Flow Device
    • Publication number 20210301825
    • Publication date Sep 30, 2021
    • Exponential Technologies, Inc.
    • Alejandro Juan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotor Structure of Screw Compressor and Inverter Screw Compressor W...
    • Publication number 20210277898
    • Publication date Sep 9, 2021
    • GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
    • Hua Liu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPLEX SCREW ROTORS
    • Publication number 20210231122
    • Publication date Jul 29, 2021
    • GARDNER DENVER, INC.
    • Luke Gray
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ACTIVE HYDRAULIC RIPPLE CANCELLATION METHODS AND SYSTEMS
    • Publication number 20210207597
    • Publication date Jul 8, 2021
    • ClearMotion, Inc.
    • Colin Patrick O'Shea
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP SYSTEM FOR SEMICONDUCTOR CHAMBER
    • Publication number 20210180596
    • Publication date Jun 17, 2021
    • PLAN CO., LTD
    • In Cheol LEE
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    MOTOR-DRIVEN ROOTS PUMP
    • Publication number 20210025388
    • Publication date Jan 28, 2021
    • Kabushiki Kaisha Toyota Jidoshokki
    • Fumiya SHINODA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    STEAM COMPRESSOR COMPRISING A DRY POSITIVE-DISPLACEMENT UNIT AS A S...
    • Publication number 20200386228
    • Publication date Dec 10, 2020
    • Ralf Steffens
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC PUMP DEVICE AND MOUNTING STRUCTURE OF ELECTRIC PUMP
    • Publication number 20200309130
    • Publication date Oct 1, 2020
    • NIDEC TOSOK CORPORATION
    • Hitoshi SAKAMOTO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DISPLACEMENT COMPRESSOR SYSTEM FOR R-718
    • Publication number 20200309129
    • Publication date Oct 1, 2020
    • Ralf Steffens
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    A Slide Valve for a Twin-Screw Compressor
    • Publication number 20200291942
    • Publication date Sep 17, 2020
    • Johnson Controls Technology Company
    • Shengmei Yang
    • 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 20200240411
    • Publication date Jul 30, 2020
    • KAESER KOMPRESSOREN SE
    • Andreas Foerster
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Repair of Cast Iron Bore Inner Diameter Surfaces
    • Publication number 20200114478
    • Publication date Apr 16, 2020
    • Caterpillar Inc.
    • Kegan Jon Luick
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Rotor Pair for a Compression Block of a Screw Machine
    • Publication number 20200040894
    • Publication date Feb 6, 2020
    • KAESER KOMPRESSOREN SE
    • Gerald Weih
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    IMPROVEMENTS IN ROTARY CLAW PUMPS
    • Publication number 20200032799
    • Publication date Jan 30, 2020
    • THE QUEENSTOWN TRUST
    • John FLEMING
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw Compressor for a Utility Vehicle
    • Publication number 20190390672
    • Publication date Dec 26, 2019
    • Gilles HEBRARD
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...