TREA

with valve arranged in the piston

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Industry

  • CPC
  • F04B39/0016
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04BPOSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS F04B39/00Component parts, details, or accessories, of pumps or pumping systems, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00

Current Industry

F04B39/0016with valve arranged in the piston
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Simulated respiratory tract
    • Patent number 12,331,732
    • Issue date Jun 17, 2025
    • Philip Morris Products S.A.
    • Pierre Herve
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Fracturing pump arrangement using a plunger with an internal fluid...
    • Patent number 12,276,270
    • Issue date Apr 15, 2025
    • Kerr Machine Co.
    • Mark S. Nowell
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Linear compressor
    • Patent number 12,241,460
    • Issue date Mar 4, 2025
    • LG Electronics Inc.
    • Wooju Jeon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Air stop sheet of piston of cylinder
    • Patent number 12,215,681
    • Issue date Feb 4, 2025
    • Wen-San Chou
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compression pump
    • Patent number 12,152,581
    • Issue date Nov 26, 2024
    • Brian Lee Davis
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method for assembling a high-pressure precompression pump
    • Patent number 12,049,884
    • Issue date Jul 30, 2024
    • Aptar France SAS
    • Matthieu Baillet
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Compressor
    • Patent number 12,018,664
    • Issue date Jun 25, 2024
    • LG Electronics Inc.
    • Kichul Choi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Linear compressor
    • Patent number 11,965,500
    • Issue date Apr 23, 2024
    • LG Electronics Inc.
    • Sangik Son
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Piston and valve sheet arrangement in compressor assembly for refri...
    • Patent number 11,952,991
    • Issue date Apr 9, 2024
    • ANHUI MEIZHI COMPRESSOR CO., LTD.
    • Wenjie Wu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Piston of air compressor
    • Patent number 11,905,945
    • Issue date Feb 20, 2024
    • Wen-San Chou
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Linear compressor
    • Patent number 11,905,940
    • Issue date Feb 20, 2024
    • LG Electronics Inc.
    • Youngmun Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Air compressor
    • Patent number 11,828,278
    • Issue date Nov 28, 2023
    • Wen-San Chou
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Piston of cylinder of air compressor
    • Patent number 11,815,080
    • Issue date Nov 14, 2023
    • Wen-San Chou
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Active agent-containing articles
    • Patent number 11,781,095
    • Issue date Oct 10, 2023
    • The Procter & Gamble Company
    • Mark William Hamersky
    • C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
  • Information Patent Grant

    Piston of air compressor
    • Patent number 11,761,437
    • Issue date Sep 19, 2023
    • Wen-San Chou
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Lubricator for bypass plunger
    • Patent number 11,754,069
    • Issue date Sep 12, 2023
    • Tri-Lift Services, Inc.
    • Kevin Kegin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Piston for compressor and compressor having same
    • Patent number 11,725,643
    • Issue date Aug 15, 2023
    • LG Electronics Inc.
    • Kyunyoung Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Double-acting reciprocating pump assembly for use in conjunction wi...
    • Patent number 11,725,641
    • Issue date Aug 15, 2023
    • William E. Howseman
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Portable air pump including a piston movable relative to a cylinder...
    • Patent number 11,713,753
    • Issue date Aug 1, 2023
    • Scott Wu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gas transport and pressurization system
    • Patent number 11,624,356
    • Issue date Apr 11, 2023
    • John B. King
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Linear motor and linear compressor having same
    • Patent number 11,606,015
    • Issue date Mar 14, 2023
    • LG Electronics Inc.
    • Kichul Choi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Linear compressor
    • Patent number 11,549,498
    • Issue date Jan 10, 2023
    • LG Electronics Inc.
    • Donghan Kim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Valve controlled vacuum system
    • Patent number 11,491,421
    • Issue date Nov 8, 2022
    • Hamilton Sundstrand Corporation
    • Gerald P. Dyer
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Variable pressure air pump having a first cylinder defining a first...
    • Patent number 11,480,167
    • Issue date Oct 25, 2022
    • Scott Wu
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Direct drive air pump
    • Patent number 11,454,223
    • Issue date Sep 27, 2022
    • Wei-Chi Wang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Cylinder piston for an air compressor
    • Patent number 11,454,230
    • Issue date Sep 27, 2022
    • AMK Holding GmbH & Co. KG
    • Jan Schmalz
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vehicle-mounted electric oil-free air compressor
    • Patent number 11,428,215
    • Issue date Aug 30, 2022
    • RUILI GROUP RUIAN AUTO PARTS CO., LTD
    • Bin Zhu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Portable air pump including a piston movable relative to a cylinder...
    • Patent number 11,408,408
    • Issue date Aug 9, 2022
    • Scott Wu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Automobile inflatable pump
    • Patent number 11,408,409
    • Issue date Aug 9, 2022
    • GUANGZHOU ANTU ELECTRIC CO., LTD.
    • Xinhua Kuang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor
    • Patent number 11,378,069
    • Issue date Jul 5, 2022
    • LG Electronics Inc.
    • Kichul Choi
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...

Patents Applicationslast 30 patents

  • Information Patent Application

    FRACTURING PUMP ARRANGEMENT USING A PLUNGER WITH AN INTERNAL FLUID...
    • Publication number 20250207574
    • Publication date Jun 26, 2025
    • KERR MACHINE CO.
    • Kelcy Jake Foster
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    COMPRESSOR WITH SUCTION VALVES IN PISTON AND CRANKCASE
    • Publication number 20250180001
    • Publication date Jun 5, 2025
    • Advanced Flow Solutions Inc.
    • Blake A. Wallace
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Piston rod mechanism for air compressor and air compressor
    • Publication number 20250180002
    • Publication date Jun 5, 2025
    • Dongguan Active Tools Co., Ltd.
    • Wesley Jui Hung Hong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PISTON FOR A PISTON PUMP, METHOD FOR PRODUCING A PISTON, AND PISTON...
    • Publication number 20240117800
    • Publication date Apr 11, 2024
    • thyssenkrupp Dynamic Components GmbH
    • Uwe DIETEL
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR
    • Publication number 20230145653
    • Publication date May 11, 2023
    • LG ELECTRONICS INC.
    • Kichul CHOI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID PUMP
    • Publication number 20230092080
    • Publication date Mar 23, 2023
    • ROLLS-ROYCE plc
    • Chloe J. PALMER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ECONOMIZER INJECTION IN A RECIPROCATING COMPRESSOR
    • Publication number 20230041180
    • Publication date Feb 9, 2023
    • Carrier Corporation
    • Vishnu M. Sishtla
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    High Volume, Low Pressure Oilless Pump
    • Publication number 20220389920
    • Publication date Dec 8, 2022
    • Setaysha Technical Solutions LLC
    • John Craig COLBORN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PORTABLE PUMP
    • Publication number 20220364554
    • Publication date Nov 17, 2022
    • Walmsley Developments Pty Ltd
    • Byron WALMSLEY
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AIR STOP SHEET OF PISTON OF CYLINDER
    • Publication number 20220341410
    • Publication date Oct 27, 2022
    • Wen-San CHOU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PORTABLE AIR PUMP
    • Publication number 20220333587
    • Publication date Oct 20, 2022
    • Scott Wu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Piston of air compressor
    • Publication number 20220333588
    • Publication date Oct 20, 2022
    • Wen-San CHOU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GAS TRANSPORT AND PRESSURIZATION SYSTEM
    • Publication number 20220252060
    • Publication date Aug 11, 2022
    • John B. King
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    EASY-TO-ASSEMBLE AIR PUMP
    • Publication number 20220228584
    • Publication date Jul 21, 2022
    • Scott Wu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD FOR ASSEMBLING A HIGH-PRESSURE PRECOMPRESSION PUMP
    • Publication number 20220220955
    • Publication date Jul 14, 2022
    • APTAR FRANCE SAS
    • Matthieu BAILLET
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    RECIPROCATING COMPRESSOR
    • Publication number 20220178360
    • Publication date Jun 9, 2022
    • IHI ROTATING MACHINERY ENGINEERING CO., LTD.
    • Kouji UKAI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PISTON ASSEMBLY, COMPRESSOR ASSEMBLY AND REFRIGERATION DEVICE
    • Publication number 20220099078
    • Publication date Mar 31, 2022
    • ANHUI MEIZHI COMPRESSOR CO., LTD.
    • Wenjie WU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR VALVE
    • Publication number 20210277879
    • Publication date Sep 9, 2021
    • Darren Lisle
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID PUMP DEVICE
    • Publication number 20210246887
    • Publication date Aug 12, 2021
    • ESUN TOOLS MFG. LTD.
    • Chin-Chuan Chen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Active Agent-Containing Articles
    • Publication number 20210239104
    • Publication date Aug 5, 2021
    • The Procter & Gamble Company
    • Mark William Hamersky
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    LINEAR COMPRESSOR
    • Publication number 20210190059
    • Publication date Jun 24, 2021
    • LG ELECTRONICS INC.
    • Donghan KIM
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PORTABLE AIR PUMP
    • Publication number 20210148350
    • Publication date May 20, 2021
    • Scott Wu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LINEAR COMPRESSOR
    • Publication number 20210095655
    • Publication date Apr 1, 2021
    • LG ELECTRONICS INC.
    • Sangsub JEONG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CYLINDER PISTON FOR AN AIR COMPRESSOR
    • Publication number 20210033084
    • Publication date Feb 4, 2021
    • AMK Holding GmbH & Co. KG
    • Jan Schmalz
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LINEAR MOTOR AND LINEAR COMPRESSOR HAVING SAME
    • Publication number 20200395836
    • Publication date Dec 17, 2020
    • LG ELECTRONICS INC.
    • Kichul CHOI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AIR PUMP
    • Publication number 20200300233
    • Publication date Sep 24, 2020
    • BETO ENGINEERING AND MARKETING CO., LTD
    • Lopin WANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CONTROLLED DESCENT CAGED BALL BYPASS PLUNGER
    • Publication number 20200199986
    • Publication date Jun 25, 2020
    • Endurance Lift Solutions, LLC
    • Chris Stadler
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    OIL-FREE VACUUM PUMP HAVING A PRISMATIC PISTON AND CORRESPONDING CO...
    • Publication number 20200124036
    • Publication date Apr 23, 2020
    • NIDEC GPM GmbH
    • Franz PAWELLEK
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DOUBLE ACTING ALPHA STIRLING REFRIGERATOR
    • Publication number 20200064030
    • Publication date Feb 27, 2020
    • Liping NING
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Variable Pressure Air Pump
    • Publication number 20200056601
    • Publication date Feb 20, 2020
    • Scott Wu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...