TREA

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

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Industry

  • CPC
  • F04C

Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps

Current Industry

F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS

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
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Parallel connected multiple shaft roots vacuum pump
    • Patent number 12,297,831
    • Issue date May 13, 2025
    • ELIVAC CO., LTD
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Inverter manufacturing equipment
    • Patent number 12,297,834
    • Issue date May 13, 2025
    • HANON SYSTEMS
    • 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
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Scroll compressor and refrigeration apparatus
    • Patent number 12,297,830
    • Issue date May 13, 2025
    • Daikin Industries, Ltd.
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor, refrigeration system, and method for controlling...
    • Patent number 12,297,835
    • Issue date May 13, 2025
    • JOHNSON CONTROLS AIR CONDITIONING AND REFRIGERATION (WUXI) CO., LTD.
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Motor-driven compressor
    • Patent number 12,301,072
    • Issue date May 13, 2025
    • Kabushiki Kaisha Toyota Jidoshokki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor with chromium nitride and titanium nitride layers
    • Patent number 12,297,832
    • Issue date May 13, 2025
    • CARRIER JAPAN CORPORATION
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electronic vaping device
    • Patent number 12,296,091
    • Issue date May 13, 2025
    • ALTRIA CLIENT SERVICES LLC
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Variable-capacity oil pump
    • Patent number 12,297,829
    • Issue date May 13, 2025
    • Hitachi Astemo, Ltd.
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rubber compound with fiber reinforcement
    • Patent number 12,297,833
    • Issue date May 13, 2025
    • Abaco Drilling Technologies LLC
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Electric compressor with a multicavity pulsation muffler system
    • Patent number 12,292,049
    • Issue date May 6, 2025
    • Mahle International GmbH
    • Brent Haseley
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Motor-driven compressor
    • Patent number 12,292,217
    • Issue date May 6, 2025
    • Kabushiki Kaisha Toyota Jidoshokki
    • Shun Ito
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Vacuum pump to generate a negative pressure
    • Patent number 12,292,050
    • Issue date May 6, 2025
    • Gebr. Becker GmbH
    • Denko Popovac
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor module and electric-motor-driven refrigerant compressor
    • Patent number 12,292,052
    • Issue date May 6, 2025
    • Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Würzburg
    • Budi Rinaldi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Device for controlling a fluid mass flow for a device for compressi...
    • Patent number 12,292,051
    • Issue date May 6, 2025
    • HANON SYSTEMS
    • Ayhan Ayar
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method and system for transportating fluid, and device employing sy...
    • Patent number 12,292,041
    • Issue date May 6, 2025
    • MGI Tech Co., Ltd.
    • Xiangkun Sui
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric compressor with scroll bearing injection orifice
    • Patent number 12,292,048
    • Issue date May 6, 2025
    • Mahle International GmbH
    • Brent Haseley
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Absorbent articles with elastics in multiple layers
    • Patent number 12,285,322
    • Issue date Apr 29, 2025
    • The Procter & Gamble Company
    • Sarah Marie Wade
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil pump
    • Patent number 12,286,970
    • Issue date Apr 29, 2025
    • Hitachi Astemo, Ltd.
    • Daisuke Kato
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Scroll compressor
    • Patent number 12,286,971
    • Issue date Apr 29, 2025
    • LG Electronics Inc.
    • Minho Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump body assembly, fluid machinery, and heat exchange device
    • Patent number 12,286,972
    • Issue date Apr 29, 2025
    • Gree Electric Appliances, Inc. of Zhuhai
    • Mingzhu Dong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 12,281,653
    • Issue date Apr 22, 2025
    • LG Electronics Inc.
    • Byungkil Yoo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump having outer gear and inner gear
    • Patent number 12,281,652
    • Issue date Apr 22, 2025
    • LG Innotek Co., Ltd
    • Hyun Shik Cho
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil pump not requiring changing positions of suction port and disch...
    • Patent number 12,281,650
    • Issue date Apr 22, 2025
    • Youngshin Precision Co., Ltd.
    • Do Jae Joo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric pump
    • Patent number 12,281,651
    • Issue date Apr 22, 2025
    • LG Innotek Co., Ltd
    • Hoon Ki Hong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric compressor
    • Patent number 12,276,279
    • Issue date Apr 15, 2025
    • Kabushiki Kaisha Toyota Jidoshokki
    • Takahiro Kato
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Submersible fuel oil set
    • Patent number 12,276,278
    • Issue date Apr 15, 2025
    • HAYES PUMP, INC.
    • Ahmed M. Hassan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Integrated connector between first and second vacuum pumps creating...
    • Patent number 12,276,283
    • Issue date Apr 15, 2025
    • Edwards Japan Limited
    • Takashi Kabasawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Uniaxial eccentric screw pump with radial adjustment of the stator
    • Patent number 12,276,280
    • Issue date Apr 15, 2025
    • Heishin Ltd
    • Nobuhisa Suhara
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric motor with dual pump for providing scavenge and delivery f...
    • Patent number 12,270,396
    • Issue date Apr 8, 2025
    • GHSP, Inc.
    • Ryan David Rosinski
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • 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

    FLOATING-TYPE OIL-FREE VACUUM SCROLL COMPRESSOR
    • Publication number 20250146487
    • Publication date May 8, 2025
    • SHENYANG CANTA MEDICAL TECH. CO., LTD.
    • Xiaobo ZHU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20250146488
    • Publication date May 8, 2025
    • LG ELECTRONICS INC.
    • Changeol JO
    • 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 20250146489
    • Publication date May 8, 2025
    • Gardner Denver Schopfheim GmbH
    • Dimitrij Sergey KAVUN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR-OIL RECEIVING DEVICE AND COMPRESSOR SYSTEM HAVING A COMP...
    • Publication number 20250137456
    • Publication date May 1, 2025
    • KNORR-BREMSE SYSTEME FUR SCHIENENFAHRZEUGE GMBH
    • Adrian KRAMLICH
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DUAL-MODE COMPRESSOR
    • Publication number 20250137460
    • Publication date May 1, 2025
    • TSINGHUA UNIVERSITY
    • Weilin ZHUGE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP AND METHOD FOR ADJUSTING THE DELIVERY RATE OF A PUMP
    • Publication number 20250137455
    • Publication date May 1, 2025
    • ITT Bornemann GmbH
    • Eike Steffen Korte
    • 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

    BREAST PROSTHESES, METHODS OF MANUFACTURING BREAST PROSTHESES, AND...
    • Publication number 20250127608
    • Publication date Apr 24, 2025
    • LifeCell Corporation
    • Dhanuraj Shetty
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    A VARIABLE-SPEED REFRIGERATING SCROLL COMPRESSOR WITH AN OIL FLOW R...
    • Publication number 20250129781
    • Publication date Apr 24, 2025
    • Danfoss Commercial Compressors
    • Remi Bou DARGHAM
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR
    • Publication number 20250129785
    • Publication date Apr 24, 2025
    • Hitachi-Johnson Controls Air Conditioning, Inc.
    • Allen FENG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SWITCH ARRANGEMENTS FOR ULTRASONIC SURGICAL INSTRUMENTS
    • Publication number 20250127536
    • Publication date Apr 24, 2025
    • Cilag GMBH International
    • Richard W. Timm
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ROTARY POSITIVE DISPLACEMENT DEVICE
    • Publication number 20250129778
    • Publication date Apr 24, 2025
    • Spherical Rotors Inc.
    • Michael Justin Sereda-Mohr
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR AND REFRIGERATION CYCLE DEVICE HAVING THE SAME
    • Publication number 20250129779
    • Publication date Apr 24, 2025
    • LG ELECTRONICS INC.
    • Kiyoul NOH
    • 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

    Oil Feed Type Compressor
    • Publication number 20250129782
    • Publication date Apr 24, 2025
    • HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    • Tomoyuki KADO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PORTABLE CLASS-II LUBRICATION DEVICE
    • Publication number 20250129884
    • Publication date Apr 24, 2025
    • Hove A/S
    • IVAN MADSEN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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

    COMPRESSOR AND REFRIGERATION CYCLE DEVICE
    • Publication number 20250122876
    • Publication date Apr 17, 2025
    • Carrier Japan Corporation
    • Yuzuki Kawashima
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR ASSEMBLY COMPRISING A MOTOR DRIVING ONE OR MORE COMPRESS...
    • Publication number 20250122877
    • Publication date Apr 17, 2025
    • ATLAS COPCO AIRPOWER, naamloze vennootschap
    • Thomas Luc SWERTS
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR HAVING COMPRESSION SUBASSEMBLY AND METHODS OF ASSEMBLING...
    • Publication number 20250122873
    • Publication date Apr 17, 2025
    • Copeland LP
    • Stephen Hopkins
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR AND METHOD FOR PRODUCING ECCENTRIC BUSH NECESSARY...
    • Publication number 20250122874
    • Publication date Apr 17, 2025
    • HANON SYSTEMS
    • Seung Yong Hwang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ANTIROTATION REED VALVE SYSTEMS AND METHODS FOR COMPRESSORS
    • Publication number 20250122878
    • Publication date Apr 17, 2025
    • Copeland LP
    • Greg Seevers
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR
    • Publication number 20250122875
    • Publication date Apr 17, 2025
    • JOHNSON CONTROLS AIR CONDITIONING AND REFRIGERATION (WUXI) CO., LTD.
    • Haixian Zhang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PROCESS PUMP WITH DYNAMIC SEAL FOR DRY RUN CAPABILITY
    • Publication number 20250116271
    • Publication date Apr 10, 2025
    • VIKING PUMP, INC.
    • Justin PIERCE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL ASSEMBLIES AND COMPRESSORS INCLUDING THE SAME
    • Publication number 20250116272
    • Publication date Apr 10, 2025
    • Copeland LP
    • Kirill Michailovich Ignatiev
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20250116273
    • Publication date Apr 10, 2025
    • Panasonic Intellectual Property Management Co., Ltd.
    • Hirofumi YOSHIDA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY PISTON MACHINE
    • Publication number 20250116223
    • Publication date Apr 10, 2025
    • Chandra Shekhar NARASIMHAN
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • 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...