ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS

Industry

  • CPC
  • F04C

Sub Industries

F04C11/00Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type Pumping installations F04C13/00Adaptations of machines or pumps for special use F04C14/00Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations F04C15/00Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00 F04C18/00Rotary-piston pumps specially adapted for elastic fluids F04C19/00Rotary-piston pumps with fluid ring or the like, specially adapted for elastic fluids F04C2/00Rotary-piston machines or pumps F04C21/00Oscillating-piston pumps specially adapted for elastic fluids F04C2210/00Fluid F04C2220/00Application F04C2230/00Manufacture F04C2240/00Components F04C2250/00Geometry F04C2270/00Control Monitoring or safety arrangements F04C2280/00Arrangements for preventing or removing deposits or corrosion 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 F04C25/00Adaptations of pumps for special use of pumps for elastic fluids F04C27/00Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids F04C28/00Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids F04C29/00Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00 F04C3/00Rotary-piston machines or pumps, with non-parallel axes of movement of co-operating members F04C5/00Rotary-piston machines or pumps with the working-chamber walls at least partly resiliently deformable F04C7/00Rotary-piston machines or pumps with fluid ring or the like F04C9/00Oscillating-piston machines or pumps

Patents Grantslast 30 patents

  • Information Patent Grant

    Scroll compressor

    • Patent number 11,976,655
    • Issue date May 7, 2024
    • Copeland Climate Technologies (Suzhou) Co. Ltd.
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Positive displacement pump with pressure relief

    • Patent number 11,976,659
    • Issue date May 7, 2024
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electronic cigarette

    • Patent number 11,975,143
    • Issue date May 7, 2024
    • ALTRIA CLIENT SERVICES LLC
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Method and device for balancing crankshaft deformation, crankshaft,...

    • Patent number 11,976,652
    • Issue date May 7, 2024
    • Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor

    • Patent number 11,976,654
    • Issue date May 7, 2024
    • Kabushiki Kaisha Toyota Jidoshokki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric pump with cooling channel arrangement

    • Patent number 11,976,658
    • Issue date May 7, 2024
    • Zhejiang Sanhua Intelligent Controls CO., Ltd.
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid machine

    • Patent number 11,976,648
    • Issue date May 7, 2024
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor with suppressed reduction of rotational moment

    • Patent number 11,976,653
    • Issue date May 7, 2024
    • Sanden Corporation
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Compressor and air conditioner

    • Patent number 11,976,657
    • Issue date May 7, 2024
    • Mitsubishi Electric Corporation
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Roots pump containing rotors that capture and discharge a foreign s...

    • Patent number 11,976,656
    • Issue date May 7, 2024
    • Kabushiki Kaisha Toyota Jidoshokki
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Adhesive dispensing system with convertible nozzle assemblies

    • Patent number 11,975,350
    • Issue date May 7, 2024
    • Nordson Corporation
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Compressor and refrigeration cycle device

    • Patent number 11,971,201
    • Issue date Apr 30, 2024
    • TOSHIBA CARRIER CORPORATION
    • Takuya Hirayama
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Test frame and methods for fluidly testing agricultural devices

    • Patent number 11,971,029
    • Issue date Apr 30, 2024
    • Precision Planting LLC
    • Ben L. Schlipf
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Internal gear fluid machine

    • Patent number 11,971,033
    • Issue date Apr 30, 2024
    • Eckerle Technologies GmbH
    • Alexander Goss
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Single-stage enthalpy enhancing rotary compressor and air condition...

    • Patent number 11,971,038
    • Issue date Apr 30, 2024
    • Gree Electric Appliances, Inc. of Zhuhai
    • Guanghui Xia
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable compressor housing

    • Patent number 11,971,035
    • Issue date Apr 30, 2024
    • Tyco Fire & Security GmbH
    • Franklin Aaron Montejo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor and refrigeration device with an oil return channel havi...

    • Patent number 11,971,036
    • Issue date Apr 30, 2024
    • GUANGDONG MEIZHI PRECISION-MANUFACTURING CO., LTD.
    • Yang Li
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Drive shaft of compressor having oil groove portion and oil sump

    • Patent number 11,971,037
    • Issue date Apr 30, 2024
    • Daikin Industries, Ltd.
    • Eiji Kumakura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor

    • Patent number 11,971,030
    • Issue date Apr 30, 2024
    • HANON SYSTEMS
    • Kyung Jae Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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 sealable container with internal pump mechanism

    • Patent number 11,970,328
    • Issue date Apr 30, 2024
    • HBL Holdings, LLC
    • Andrew D. Cosgarea
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid machine

    • Patent number 11,973,381
    • Issue date Apr 30, 2024
    • Kabushiki Kaisha Toyota Jidoshokki
    • Katsutoshi Shiromaru
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Composite material for low-wear mechanical components for force and...

    • Patent number 11,970,597
    • Issue date Apr 30, 2024
    • Fresenius Medical Care Deutschland GmbH
    • Gerome Fischer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump body assembly, heat exchange apparatus, fluid machine and oper...

    • Patent number 11,971,031
    • Issue date Apr 30, 2024
    • Gree Electric Appliances, Inc. of Zhuhai
    • Mingzhu Dong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll type fluid machine

    • Patent number 11,971,034
    • Issue date Apr 30, 2024
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Yoshio Kobayashi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Cardiac valve replacement

    • Patent number 11,969,348
    • Issue date Apr 30, 2024
    • Edwards Lifesciences Corporation
    • David Alon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric pump

    • Patent number 11,973,380
    • Issue date Apr 30, 2024
    • NIDEC TOSOK CORPORATION
    • Yoshiyuki Kobayashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Compressor body and compressor to supply liquid into working chambe...

    • Patent number 11,965,510
    • Issue date Apr 23, 2024
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Shigeyuki Yorikane
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump

    • Patent number 11,965,505
    • Issue date Apr 23, 2024
    • VHIT S.p.A.
    • Pietro Francesco Crosio
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Dosing pump system

    • Patent number 11,965,496
    • Issue date Apr 23, 2024
    • Fernando A. Ubidia
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    GEAR PUMP, DRIVE DEVICE AND ADJUSTABLE-PITCH PROPELLER

    • Publication number 20240140612
    • Publication date May 2, 2024
    • Gideon Daniel VENTER
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Absorbent Articles With Elastics In Multiple Layers

    • Publication number 20240139036
    • Publication date May 2, 2024
    • The Procter & Gamble Company
    • Sarah Marie Wade
    • 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

    UMBILICAL HERNIA PROSTHESIS

    • Publication number 20240138969
    • Publication date May 2, 2024
    • SOFRADIM PRODUCTION
    • Pierre Bailly
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AXIALLY FLEXIBLE COMPRESSOR

    • Publication number 20240141897
    • Publication date May 2, 2024
    • Hangzhou Lvneng New Energy Vehicle Parts Co., LTD.
    • DAWEI GE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Method of Handling Gear Pump, Control System, Coating Apparatus and...

    • Publication number 20240141894
    • Publication date May 2, 2024
    • ABB Schweiz AG
    • Arnulf Krogedal
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • 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

    CHECK VALVE AND HYDRAULIC GEROTOR OR GEROLER MACHINE

    • Publication number 20240142009
    • Publication date May 2, 2024
    • Danfoss A/S
    • Jayant Subhash Bagri
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SLIDING-VANE PUMP

    • Publication number 20240141893
    • Publication date May 2, 2024
    • Valeo Powertrain GmbH
    • Roland STOESSEL
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID MACHINE

    • Publication number 20240141898
    • Publication date May 2, 2024
    • KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    • Fumiya SHINODA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    GEAR PUMP

    • Publication number 20240133377
    • Publication date Apr 25, 2024
    • Valeo Powertrain GmbH
    • Roland STOESSEL
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL-TYPE COMPRESSOR

    • Publication number 20240133378
    • Publication date Apr 25, 2024
    • Kabushiki Kaisha Toyota Jidoshokki
    • Yoshihiro FUKAYA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    TREATMENT OF PULMONARY ARTERIAL HYPERTENSION WITH PROSTACYCLIN-TREA...

    • Publication number 20240131078
    • Publication date Apr 25, 2024
    • United Therapeutics Corporation
    • Roger Jeffs
    • C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
  • Information Patent Application

    METHOD AND APPARATUS FOR AN END SEAL FOR INCREASING EFFICIENCY OF A...

    • Publication number 20240133376
    • Publication date Apr 25, 2024
    • LEX SUBMERSIBLE PUMPS FZE Company
    • ANTON Shakirov
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CONTROL OF LIQUID RING PUMP

    • Publication number 20240133380
    • Publication date Apr 25, 2024
    • Edwards Technologies Vacuum Engineering (Qingdao) Co Ltd
    • Xin Dai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HERMETIC TYPE COMPRESSOR

    • Publication number 20240133594
    • Publication date Apr 25, 2024
    • FUJITSU GENERAL LIMITED
    • Kenshi UEDA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR

    • Publication number 20240133379
    • Publication date Apr 25, 2024
    • KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    • Shiori Yamamoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    UNIAXIAL ECCENTRIC SCREW PUMP

    • Publication number 20240125321
    • Publication date Apr 18, 2024
    • HEISHIN Ltd.
    • Nobuhisa SUHARA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP CONFIGURATION INCLUDING A PURGE VALVE FOR REMOVING AIRLOCKS

    • Publication number 20240125323
    • Publication date Apr 18, 2024
    • Caterpillar Inc.
    • David A Mork
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR

    • Publication number 20240125324
    • Publication date Apr 18, 2024
    • KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    • Yuji HASHIMOTO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    End Plates and Inner Plate Bushings For Pumps

    • Publication number 20240125358
    • Publication date Apr 18, 2024
    • T & E Pumps Ltd.
    • Rachel ROBINSON
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    SCREW ASSEMBLY FOR A TRIPLE SCREW PUMP AND TRIPLE SCREW PUMP COMPRI...

    • Publication number 20240125322
    • Publication date Apr 18, 2024
    • Settima Meccanica S.r.l.
    • Manuele Rossi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    THERMAL MANAGEMENT SYSTEM, CONTROL METHOD THEREFOR, AND COMPRESSOR...

    • Publication number 20240123790
    • Publication date Apr 18, 2024
    • HANON SYSTEMS
    • Jung Myung Kwak
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    ELECTRIC COMPRESSOR WITH ISOLATION CONSTRAINT SYSTEM

    • Publication number 20240117807
    • Publication date Apr 11, 2024
    • MAHLE International GmbH
    • Brent Haseley
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SINGLE-MOTOR, DUAL-HYDRAULIC-CIRCUIT DRIVE SYSTEM FOR INDUSTRIAL MA...

    • Publication number 20240116739
    • Publication date Apr 11, 2024
    • Hyster-Yale Maximal Forklift (Zhejiang) Co., Ltd.
    • Binshen Gu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CONTROL SYSTEM FOR A SMART PUMP LOCATED WITHIN A LUBRICATION/COOLIN...

    • Publication number 20240120809
    • Publication date Apr 11, 2024
    • GHSP, INC.
    • David Michael Mitteer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PIN COUPLING FOR CONNECTING A ROTARY DRIVE TO A PROGRESSIVE-CAVITY...

    • Publication number 20240117844
    • Publication date Apr 11, 2024
    • Gordon L. FENTON
    • 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

    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 PISTON COMPRESSOR/PUMP/BLOWER WITH A VENTILATION CHANNEL

    • Publication number 20240110564
    • Publication date Apr 4, 2024
    • Gardner Denver Schopfheim GmbH
    • Dimitrij Sergey KAVUN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...