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adaptations of pistons

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  • CPC
  • F04B39/0005
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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

F04B39/0005adaptations of pistons
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Fracturing pump arrangement using a plunger with an internal fluid...
    • Patent number 12,221,957
    • Issue date Feb 11, 2025
    • Kerr Machine Co.
    • Mark S. Nowell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil feeder and linear compressor including the same
    • Patent number 12,180,955
    • Issue date Dec 31, 2024
    • LG Electronics Inc.
    • Sangsub Jeong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Household electric appliance with high/low-pressure function
    • Patent number 12,158,140
    • Issue date Dec 3, 2024
    • Shiqing Li
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Inverted fluid chamber
    • Patent number 12,158,141
    • Issue date Dec 3, 2024
    • Welker, Inc.
    • Hung Ngoc Pham
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump body, compressor, and heat exchange apparatus
    • Patent number 12,135,020
    • Issue date Nov 5, 2024
    • Gree Green Refrigeration Technology Center Co., Ltd, of Zhuhai
    • Sen Yang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Reciprocal compressor and refrigerator including the same
    • Patent number 12,129,842
    • Issue date Oct 29, 2024
    • Samsung Electronics Co., Ltd.
    • Jinsu In
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor with piston ring arrangement on piston
    • Patent number 12,116,996
    • Issue date Oct 15, 2024
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Nobuyuki Narisawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Reciprocating compressor with a jacket around the piston rod
    • Patent number 12,078,164
    • Issue date Sep 3, 2024
    • NUOVO PIGNONE TECHNOLOGIE SRL
    • Manjunatha M. Chandrashekar
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Reciprocating-piston machine, compressed air supply system, vehicle...
    • Patent number 12,055,134
    • Issue date Aug 6, 2024
    • ZF CV Systems Europe BV
    • Dieter Frank
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Linear compressor
    • Patent number 12,044,225
    • Issue date Jul 23, 2024
    • LG Electronics Inc.
    • Kiwon Noh
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Two-dimensional engine
    • Patent number 12,037,993
    • Issue date Jul 16, 2024
    • Xiaohui Chen
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pump system, use of a pneumatic resistance and medical device or ga...
    • Patent number 12,037,998
    • Issue date Jul 16, 2024
    • DRÄGER SAFETY AG & CO. KGAA
    • Hans-Ullrich Hansmann
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Multi-stage compressor
    • Patent number 11,988,200
    • Issue date May 21, 2024
    • DONGGUAN XIANMA ELECTROMECHANICAL CO., LTD
    • Menglin Zou
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Piston for reciprocating compressor having complementary sealing el...
    • Patent number 11,982,265
    • Issue date May 14, 2024
    • FAIVELEY TRANSPORT ITALIA S. p. A.
    • Corrado Rossino
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor
    • Patent number 11,976,644
    • Issue date May 7, 2024
    • LG Electronics Inc.
    • Hyeongjun Lim
    • 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

    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

    Fracturing pump arrangement using a plunger with an internal fluid...
    • Patent number 11,952,986
    • Issue date Apr 9, 2024
    • Kerr Machine Co.
    • Mark S. Nowell
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Fracturing pump arrangement using a plunger with an internal fluid...
    • Patent number 11,952,990
    • Issue date Apr 9, 2024
    • Kerr Machine Co.
    • Mark S. Nowell
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Air inflation device
    • Patent number 11,913,438
    • Issue date Feb 27, 2024
    • Beto Engineering and Marketing Co., Ltd.
    • Lopin Wang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    System for tire inflation
    • Patent number 11,850,896
    • Issue date Dec 26, 2023
    • Aperia Technologies, Inc.
    • Brandon Richardson
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Piston including a composite layer applied to metal substrate
    • Patent number 11,850,773
    • Issue date Dec 26, 2023
    • Tenneco Inc.
    • Warran Boyd Lineton
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Compressor including discharge plenum
    • Patent number 11,808,256
    • Issue date Nov 7, 2023
    • LG Electronics Inc.
    • Youngmun Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal compressor with piston intensifier
    • Patent number 11,788,521
    • Issue date Oct 17, 2023
    • Southwest Research Institute
    • Timothy Charles Allison
    • 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

    Linear compressor
    • Patent number 11,746,767
    • Issue date Sep 5, 2023
    • LG Electronics Inc.
    • Sangik Son
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rod packing
    • Patent number 11,719,344
    • Issue date Aug 8, 2023
    • Compressor Products International, LLC
    • Pascal Mahieux
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump system, use of a pneumatic resistance and medical device or ga...
    • Patent number 11,680,562
    • Issue date Jun 20, 2023
    • Drager Safety AG & Co. KGaA
    • Hans-Ullrich Hansmann
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Hydraulic piston with a depressurized groove
    • Patent number 11,649,812
    • Issue date May 16, 2023
    • Vianney Rabhi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Linear compressor
    • Patent number 11,603,834
    • Issue date Mar 14, 2023
    • LG Electronics Inc.
    • Wooju Jeon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    DEVICE FOR DECOMPRESSION OF A GAS CONTAINER
    • Publication number 20240376879
    • Publication date Nov 14, 2024
    • GRTGAZ
    • Marc VANBALEGHEM
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Reversible Reciprocating Pump
    • Publication number 20240280101
    • Publication date Aug 22, 2024
    • Quidnet Energy Inc.
    • Howard K. Schmidt
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    FRACTURING PUMP ARRANGEMENT USING A PLUNGER WITH AN INTERNAL FLUID...
    • Publication number 20240218864
    • Publication date Jul 4, 2024
    • KERR MACHINE CO.
    • Mark S. Nowell
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    FRACTURING PUMP ARRANGEMENT USING A PLUNGER WITH AN INTERNAL FLUID...
    • Publication number 20240209845
    • Publication date Jun 27, 2024
    • KERR MACHINE CO.
    • Mark S. Nowell
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    COMPRESSOR AND MANUFACTURING METHOD THEREFOR
    • Publication number 20240209846
    • Publication date Jun 27, 2024
    • GUANGZHOU DESHAN CNC TECHNOLOGY CO., LTD.
    • Yingxue Luo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FRACTURING PUMP ARRANGEMENT USING A PLUNGER WITH AN INTERNAL FLUID...
    • Publication number 20240175433
    • Publication date May 30, 2024
    • KERR MACHINE CO.
    • Mark S. Nowell
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    PISTON COMPRESSOR, MORE PARTICULARLY FOR A HEAT PUMP
    • Publication number 20240125312
    • Publication date Apr 18, 2024
    • SPH Sustainable Process Heat GmbH
    • Tim Hamacher
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SYSTEM FOR TIRE INFLATION
    • Publication number 20240083203
    • Publication date Mar 14, 2024
    • Aperia Technologies, Inc.
    • Brandon Richardson
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    FRACTURING PUMP ARRANGEMENT USING A PLUNGER WITH AN INTERNAL FLUID...
    • Publication number 20240068455
    • Publication date Feb 29, 2024
    • KERR MACHINE CO.
    • Mark S. Nowell
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Active Agent-Containing Articles
    • Publication number 20230399595
    • Publication date Dec 14, 2023
    • The Procter & Gamble Company
    • Mark William Hamersky
    • C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
  • Information Patent Application

    LINEAR COMPRESSOR
    • Publication number 20230332588
    • Publication date Oct 19, 2023
    • LG ELECTRONICS INC.
    • Wooju JEON
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    RECIPROCAL COMPRESSOR AND REFRIGERATOR INCLUDING THE SAME
    • Publication number 20230220841
    • Publication date Jul 13, 2023
    • Samsung Electronics Co., Ltd.
    • Jinsu IN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP SYSTEM, USE OF A PNEUMATIC RESISTANCE AND MEDICAL DEVICE OR GA...
    • Publication number 20230220845
    • Publication date Jul 13, 2023
    • Drager Safety AG & Co. KGaA
    • Hans-Ullrich HANSMANN
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    FRACTURING PUMP WITH IN-LINE FLUID END
    • Publication number 20230193884
    • Publication date Jun 22, 2023
    • KERR MACHINE CO.
    • Mark S. Nowell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SYSTEM FOR TIRE INFLATION
    • Publication number 20230173857
    • Publication date Jun 8, 2023
    • Aperia Technologies, Inc.
    • Brandon Richardson
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Compressor
    • Publication number 20230087184
    • Publication date Mar 23, 2023
    • HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    • Tasuku ONODERA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FRACTURING PUMP WITH IN-LINE FLUID END
    • Publication number 20230075447
    • Publication date Mar 9, 2023
    • KERR MACHINE CO.
    • Mark S. Nowell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HEAT PUMPS AND FLUID PUMPS THEREFOR
    • Publication number 20230074965
    • Publication date Mar 9, 2023
    • Terry Ingram
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AN APPARATUS FOR DAMPING PRESSURE PULSATION FOR A COMPRESSOR OF A G...
    • Publication number 20230022916
    • Publication date Jan 26, 2023
    • HANON SYSTEMS
    • Ayhan Ayar
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP BODY, COMPRESSOR, AND HEAT EXCHANGE APPARATUS
    • Publication number 20220412332
    • Publication date Dec 29, 2022
    • GREE GREEN REFRIGERATION TECHNOLOGY CENTER CO., LTD. OF ZHUHAI
    • Sen YANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    APPARATUS FOR CONTROLLING COMPRESSOR, COMPRESSOR AND METHOD FOR CON...
    • Publication number 20220397112
    • Publication date Dec 15, 2022
    • LG ELECTRONICS INC.
    • Youngsung KIM
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR
    • Publication number 20220389918
    • Publication date Dec 8, 2022
    • LG ELECTRONICS INC.
    • Hyeongjun LIM
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Vacuum Sealable Container with Internal Pump Mechanism
    • Publication number 20220380110
    • Publication date Dec 1, 2022
    • HBL Holdings, LLC
    • Andrew D. Cosgarea
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Reversible Reciprocating Pump
    • Publication number 20220356878
    • Publication date Nov 10, 2022
    • Quidnet Energy, Inc.
    • Howard K. Schmidt
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    SYSTEM FOR TIRE INFLATION
    • Publication number 20220348046
    • Publication date Nov 3, 2022
    • Aperia Technologies, Inc.
    • Brandon Richardson
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Piston of Cylinder of Air Compressor
    • Publication number 20220341408
    • Publication date Oct 27, 2022
    • Wen-San CHOU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PISTON OF CYLINDER OF AIR COMPRESSOR
    • Publication number 20220341409
    • Publication date Oct 27, 2022
    • Wen-San CHOU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PISTON FOR RECIPROCATING COMPRESSOR HAVING COMPLEMENTARY SEALING EL...
    • Publication number 20220325710
    • Publication date Oct 13, 2022
    • Faiveley Transport Italia S.P.A.
    • Corrado Rossino
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Gas-filling device
    • Publication number 20220268263
    • Publication date Aug 25, 2022
    • Shengwei Liang
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    HYDROGEN GAS COMPRESSION DEVICE
    • Publication number 20220268264
    • Publication date Aug 25, 2022
    • SAEMCHAN ENERGY CO., LTD.
    • Kwang Chan AN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...