Machines or pumps with differential surface pistons

Industry

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  • F04B5/00
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Patents Grantslast 30 patents

  • Information Patent Grant

    Instrumented fracturing pump systems and methods

    • Patent number 12,281,646
    • Issue date Apr 22, 2025
    • Schlumberger Technology Corporation
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Fracturing equipment

    • Patent number 12,281,648
    • Issue date Apr 22, 2025
    • Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Hot-swappable pump unit and coolant distribution unit using same

    • Patent number 12,284,784
    • Issue date Apr 22, 2025
    • Delta Electronics, Inc.
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid end

    • Patent number 12,281,649
    • Issue date Apr 22, 2025
    • Kerr Machine Co.
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Locking assembly apparatus for pump systems, and related methods

    • Patent number 12,281,647
    • Issue date Apr 22, 2025
    • FORUM US, INC.
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method for detecting presence of tubing in pump assembly

    • Patent number 12,279,805
    • Issue date Apr 22, 2025
    • Avent, Inc.
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Reciprocating pump

    • Patent number 12,276,268
    • Issue date Apr 15, 2025
    • Tacmina Corporation
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid transfer and depressurization system

    • Patent number 12,276,277
    • Issue date Apr 15, 2025
    • TPE MIDSTREAM LLC
    • 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 12,276,270
    • Issue date Apr 15, 2025
    • Kerr Machine Co.
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Integrated air supply unit

    • Patent number 12,276,269
    • Issue date Apr 15, 2025
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid control device

    • Patent number 12,276,271
    • Issue date Apr 15, 2025
    • Murata Manufacturing Co., Ltd.
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Valve

    • Patent number 12,276,345
    • Issue date Apr 15, 2025
    • LEE VENTUS LTD.
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Sealed peristaltic pump for household electric appliance

    • Patent number 12,276,273
    • Issue date Apr 15, 2025
    • SEB S.A.
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid end

    • Patent number 12,276,276
    • Issue date Apr 15, 2025
    • Kerr Machine Co.
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Providing backpressure for electric compressor

    • Patent number 12,270,393
    • Issue date Apr 8, 2025
    • Bendix Commercial Vehicle Systems LLC
    • Richard J Conklin
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Piston pump and method of manufacturing the same

    • Patent number 12,270,395
    • Issue date Apr 8, 2025
    • Nebojša Dimitrijević
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor intake muffler and filter

    • Patent number 12,270,389
    • Issue date Apr 8, 2025
    • BLACK & DECKER INC.
    • Mark W. Wood
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Packing bore wear sleeve retainer system

    • Patent number 12,270,394
    • Issue date Apr 8, 2025
    • VULCAN INDUSTRIAL HOLDINGS, LLC
    • Kyle Matthew Ellisor
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Sealing high pressure flow devices

    • Patent number 12,270,491
    • Issue date Apr 8, 2025
    • Kerr Machine Co.
    • Mark S. Nowell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Self-priming transfer pump with quick pump attachment/detachment

    • Patent number 12,264,669
    • Issue date Apr 1, 2025
    • FARMCHEM CORP
    • Justin Peterson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump closure

    • Patent number 12,264,670
    • Issue date Apr 1, 2025
    • ISG Innovative Systems GmbH
    • Makus Schöning
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Piston assembly

    • Patent number 12,264,659
    • Issue date Apr 1, 2025
    • Dana Motion Systems Italia S.r.l.
    • Luca Fontanesi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    High pressure pump

    • Patent number 12,264,661
    • Issue date Apr 1, 2025
    • Kerr Machine Co.
    • John Keith
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Flapper valve with common rotational direction

    • Patent number 12,264,668
    • Issue date Apr 1, 2025
    • Hamilton Sundstrand Corporation
    • Myles Kelly
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Controlling ramp up of a fluid pump

    • Patent number 12,264,667
    • Issue date Apr 1, 2025
    • Caterpillar Inc.
    • Todd Ryan Kabrich
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Manifold assembly

    • Patent number 12,264,671
    • Issue date Apr 1, 2025
    • Kerr Machine Co.
    • Kelcy Jake Foster
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Modular chemical dispenser and pump for same

    • Patent number 12,264,428
    • Issue date Apr 1, 2025
    • Delaware Capital Formation, Inc.
    • Glen Shafer
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Cooling of a drive system for diaphragm pumps

    • Patent number 12,263,335
    • Issue date Apr 1, 2025
    • Berlin Heart GmbH
    • Matthew Oakley
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Transmission assembly of pump head of diaphragm booster pump, pump...

    • Patent number 12,258,951
    • Issue date Mar 25, 2025
    • SHENZHEN ANGEL DRINKING WATER INDUSTRIAL GROUP CORPORATION
    • Guoping Li
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Piston assembly for an unloader valve of an air compressor

    • Patent number 12,258,955
    • Issue date Mar 25, 2025
    • KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
    • Joerg Mellar
    • B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    PUMP WASHOUT DIAGNOSTIC SYSTEM

    • Publication number 20250129696
    • Publication date Apr 24, 2025
    • LIBERTY OILFIELD SERVICES LLC
    • Kirk Michael Fiscus
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    LIQUID PUMP UNIT

    • Publication number 20250129777
    • Publication date Apr 24, 2025
    • COOLER MASTER CO., LTD.
    • YU-LUN HAUNG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SEAT PULLER SYSTEM, RECIPROCATING PUMP VALVE SEAT PULLER ASSEMBLY,...

    • Publication number 20250128366
    • Publication date Apr 24, 2025
    • Steven K. Deel
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    DUAL MOTOR PUMP ASSEMBLY

    • Publication number 20250129774
    • Publication date Apr 24, 2025
    • Shawn KAHAN
    • B08 - CLEANING
  • Information Patent Application

    INVERTED SHROUD FIELD ASSEMBLY FOR GAS ACCUMULATION PREVENTION ABOV...

    • Publication number 20250122785
    • Publication date Apr 17, 2025
    • Saudi Arabian Oil Company
    • Chidirim Enoch Ejim
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    AIRLESS SPRINT & WATER WASH SYSTEM

    • Publication number 20250122833
    • Publication date Apr 17, 2025
    • GE INFRASTRUCTURE TECHNOLOGY LLC
    • Victor Alfonso GONZALEZ TELLEZ
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    PUMPING CASSETTE

    • Publication number 20250122871
    • Publication date Apr 17, 2025
    • DEKA Products Limited Partnership
    • Jason A. Demers
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CHECK VALVE FOR RAT RE-STOW PUMP

    • Publication number 20250116268
    • Publication date Apr 10, 2025
    • HAMILTON SUNDSTRAND CORPORATION
    • Przemyslaw KIELCZYKOWSKI
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Application

    DOUBLE DIAPHRAGM PUMP

    • Publication number 20250116269
    • Publication date Apr 10, 2025
    • Unibioc Hygienic Technologies UK, Ltd.
    • Sebastian Antoni Soyke
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    BALANCED PRESSURE SEAL FOR HIGH PRESSURE PUMPS

    • Publication number 20250116270
    • Publication date Apr 10, 2025
    • Wanner Engineering, Inc.
    • Richard D. Hembree
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    RECIPROCATING COMPRESSOR

    • Publication number 20250116265
    • Publication date Apr 10, 2025
    • LG ELECTRONICS INC.
    • Kyoungjun PARK
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROBUST VALVE ROD GUIDE ASSEMBLY

    • Publication number 20250109639
    • Publication date Apr 3, 2025
    • Ravdos Holdings Inc.
    • Santhosh Ramaswamy
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    POWDER SUPPLY PUMP

    • Publication number 20250109741
    • Publication date Apr 3, 2025
    • Irene FACCIO
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    LIQUID COOLED PLUNGER SYSTEM

    • Publication number 20250109745
    • Publication date Apr 3, 2025
    • KERR MACHINE CO.
    • Micheal Cole Thomas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LIQUID DISPENSER

    • Publication number 20250109740
    • Publication date Apr 3, 2025
    • Fast & Fluid Managment B.V.
    • Marcel Hendrikus Petrus ENGELS
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP DEVICE AND VALVE MODULE

    • Publication number 20250109746
    • Publication date Apr 3, 2025
    • IWAKI CO., LTD.
    • Masaki KIKUCHI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP ROD AND DRIVING LINK WITH SIDE-LOAD REDUCING CONFIGURATION

    • Publication number 20250101975
    • Publication date Mar 27, 2025
    • Graco Minnesota Inc.
    • David J. Thompson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MANUALLY OPERATED PUMP ASSEMBLY

    • Publication number 20250101968
    • Publication date Mar 27, 2025
    • KickStart International, Inc.
    • Alan Charles Spybey
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COOLING ARRANGEMENT AND METHOD FOR COOLING AN AT LEAST TWO-STAGE CO...

    • Publication number 20250101971
    • Publication date Mar 27, 2025
    • GARDNER DENVER DEUTSCHLAND GmbH
    • Frank Georg Klaus
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Sump Filter w/ C.O.D.

    • Publication number 20250092871
    • Publication date Mar 20, 2025
    • Conner J King
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MEDICAL FLUID THERAPY MACHINE INCLUDING READILY ACCESSIBLE PNEUMATI...

    • Publication number 20250084840
    • Publication date Mar 13, 2025
    • Baxter International Inc.
    • Charles Wayne Boylan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SEALING ASSEMBLY FOR A PUMP WITH A LEAK PATH

    • Publication number 20250084851
    • Publication date Mar 13, 2025
    • Cooper Standard Automotive Inc.
    • David S. Malone
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    POWER END FRAME ASSEMBLY

    • Publication number 20250084843
    • Publication date Mar 13, 2025
    • BJ Energy Solutions, LLC
    • Hau Nguyen-phuc Pham
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HANDHELD CLEANING MACHINE

    • Publication number 20250073759
    • Publication date Mar 6, 2025
    • ZHEJIANG QIANJI INTELLIGENT TECHNOLOGY CO., LTD.
    • Keke FU
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    FLUID END ASSEMBLY

    • Publication number 20250075697
    • Publication date Mar 6, 2025
    • KERR MACHINE CO.
    • Kelcy Jake Foster
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VIBRATION STABILIZER ASSEMBLY FOR A COMPRESSOR IN A TRANSPORT REFRI...

    • Publication number 20250075693
    • Publication date Mar 6, 2025
    • Carrier Corporation
    • Samuel Venne
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID END ASSEMBLY

    • Publication number 20250075695
    • Publication date Mar 6, 2025
    • KERR MACHINE CO.
    • Christopher Todd Barnett
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    COMPRESSOR FIXING DEVICE

    • Publication number 20250075696
    • Publication date Mar 6, 2025
    • Samsung Electronics Co., Ltd.
    • Sung HAN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VIRTUAL VALVE IN A MEMS-BASED COOLING SYSTEM

    • Publication number 20250075825
    • Publication date Mar 6, 2025
    • Frore Systems Inc.
    • Vikram Mukundan
    • B81 - MICRO-STRUCTURAL TECHNOLOGY
  • Information Patent Application

    VALVE CARTRIDGE FOR A FLUID PUMP

    • Publication number 20250075694
    • Publication date Mar 6, 2025
    • SPM OIL & GAS INC.
    • Daryl James BELSHAN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...