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

    Pressure regulator for engine lubrication system

    • Patent number 12,326,103
    • Issue date Jun 10, 2025
    • Cummins Inc.
    • Simon Tooley
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Fracturing apparatus and control method thereof, fracturing system

    • Patent number 12,320,344
    • Issue date Jun 3, 2025
    • Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
    • Jifeng Zhong
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Fluid sample pump system

    • Patent number 12,320,349
    • Issue date Jun 3, 2025
    • Mustang Sampling, LLC
    • Timothy L. Querrey
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Slurry transfer device and slurry transfer method using the same

    • Patent number 12,322,781
    • Issue date Jun 3, 2025
    • LG ENERGY SOLUTION, LTD.
    • Chan Woo Park
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Micro piston pump

    • Patent number 12,320,341
    • Issue date Jun 3, 2025
    • INSULET CORPORATION
    • Daniel Allis
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Linear drive assembly

    • Patent number 12,320,409
    • Issue date Jun 3, 2025
    • Kerr Machine Co.
    • Kelcy Jake Foster
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Piston pump for brake system

    • Patent number 12,319,255
    • Issue date Jun 3, 2025
    • Hyundai Mobis Co., Ltd.
    • Young Chang Choi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Intelligent controller for a reciprocating air compressor and metho...

    • Patent number 12,320,347
    • Issue date Jun 3, 2025
    • WAK Devices, LLC
    • Adam Thomas Walsh
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Piston pump for a high pressure cleaning device

    • Patent number 12,313,047
    • Issue date May 27, 2025
    • Alfred Kärcher SE & Co. KG
    • Robert Nathan
    • B08 - CLEANING
  • Information Patent Grant

    Pumping system

    • Patent number 12,313,056
    • Issue date May 27, 2025
    • Razmik David Gharakhanian
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    High pressure water pump fluid end

    • Patent number 12,313,063
    • Issue date May 27, 2025
    • NLB, Corp.
    • Donald Anthony Wojciechowski
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic pump performance deterioration detection system

    • Patent number 12,313,097
    • Issue date May 27, 2025
    • Kawasaki Jukogyo Kabushiki Kaisha
    • Akihiro Kondo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid end assembly

    • Patent number 12,313,048
    • Issue date May 27, 2025
    • Kerr Machine Co.
    • Micheal Cole Thomas
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Variable-speed integrated machine and wellsite apparatus

    • Patent number 12,313,059
    • Issue date May 27, 2025
    • Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
    • Shuzhen Cui
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Zeroing device

    • Patent number 12,313,060
    • Issue date May 27, 2025
    • Dana Motion Systems Italia S.r.l.
    • Luca Fontanesi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Fluid dispensing system having a piston rod and wear sleeve

    • Patent number 12,313,061
    • Issue date May 27, 2025
    • Graco Minnesota Inc.
    • Jeromy D. Horning
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Development of a higher-level model for operation of a compressor s...

    • Patent number 12,313,058
    • Issue date May 27, 2025
    • KAESER Kompressoren SE
    • Florian Wagner
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rubber balers

    • Patent number RE50443
    • Issue date May 27, 2025
    • Karltex Machine, Inc.
    • Sig Fragstein
  • Information Patent Grant

    Refrigerant compressor

    • Patent number 12,313,062
    • Issue date May 27, 2025
    • Bitzer Kuehlmaschinenbau GmbH
    • Axel Friedrich
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Valve stop for use with a fluid end assembly

    • Patent number 12,313,167
    • Issue date May 27, 2025
    • BEST PUMP AND FLOW, LLC
    • Katherine Goodnight Schaller
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Crankshaft, compressor, and refrigeration device

    • Patent number 12,305,627
    • Issue date May 20, 2025
    • ANHUI MEIZHI COMPRESSOR CO., LTD.
    • Chengcheng Wang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Submersible hydraulic power units with interchangeable manifolds

    • Patent number 12,305,670
    • Issue date May 20, 2025
    • KTI Hydraulics Inc.
    • Chun Nien King
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Packing seal assembly

    • Patent number 12,305,628
    • Issue date May 20, 2025
    • Kerr Machine Co.
    • Christopher Todd Barnett
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid dispenser

    • Patent number 12,305,625
    • Issue date May 20, 2025
    • Fast & Fluid Management B.V.
    • Marcel Hendrikus Petrus Engels
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Condensate pump assembly

    • Patent number 12,305,637
    • Issue date May 20, 2025
    • Aspen Pumps Limited
    • Claire Saich
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electrochemical hydrogen compressor

    • Patent number 12,305,305
    • Issue date May 20, 2025
    • Honda Motor Co., Ltd.
    • Shoji Takasugi
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Motor driven pump with prognostic health monitoring based on motor...

    • Patent number 12,305,636
    • Issue date May 20, 2025
    • Hamilton Sundstrand Corporation
    • Edward W. Goy
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Diaphragm pump

    • Patent number 12,305,629
    • Issue date May 20, 2025
    • MABUCHI MOTOR OKEN CO., LTD.
    • Masatsugu Shirai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid end with clamped retention

    • Patent number 12,297,827
    • Issue date May 13, 2025
    • Kerr Machine Co.
    • Kelcy Jake Foster
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pulsation damper

    • Patent number 12,297,819
    • Issue date May 13, 2025
    • Aspen Pumps Ltd
    • Christopher John Gee
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    MODULAR POWER END

    • Publication number 20250180014
    • Publication date Jun 5, 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

    MINIATURE VACUUM PUMP AND MINIATURE VACUUM DEVICE

    • Publication number 20250180009
    • Publication date Jun 5, 2025
    • Baifeng LI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR VAPORIZER WITH DISCHARGE PIPE IN CRANKCASE

    • Publication number 20250180010
    • 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

    HEAT EXCHANGER FOR HYDRAULIC POST-TENSIONING JACK SYSTEM

    • Publication number 20250180011
    • Publication date Jun 5, 2025
    • Felix Sorkin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD OF PRODUCING COMPRESSED AIR VIA ENERGY EXCHANGE WITH COMPRES...

    • Publication number 20250180012
    • Publication date Jun 5, 2025
    • Dallas Chism Watson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    WELL SERVICING PUMP SYSTEM WITH DRIVELINE ASSEMBLY FOR HYDRAULIC FR...

    • Publication number 20250180077
    • Publication date Jun 5, 2025
    • Halliburton Energy Services, Inc.
    • Timothy Holiman Hunter
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    SELF-PRIMING TRANSFER PUMP WITH QUICK PUMP ATTACHMENT/DETACHMENT

    • Publication number 20250180013
    • Publication date Jun 5, 2025
    • FARMCHEM CORP
    • Justin Peterson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP MOTOR HANDLE

    • Publication number 20250172137
    • Publication date May 29, 2025
    • Graco Minnesota Inc.
    • Derek R. Shaw
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COOLING SLEEVE FOR USE WITH A FLUID END

    • Publication number 20250172139
    • Publication date May 29, 2025
    • KERR MACHINE CO.
    • Micheal Cole Thomas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SEALING HIGH PRESSURE FLOW DEVICES

    • Publication number 20250172213
    • Publication date May 29, 2025
    • KERR MACHINE CO.
    • Mark S. Nowell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Power End Housing for Plunger Pump and Plunger Pump Including Power...

    • Publication number 20250172138
    • Publication date May 29, 2025
    • YANTAI JEREH OILFIELD SERVICES GROUP CO., LTD.
    • Junlei YAO
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    QUICK-RELEASE PUMP MOUNTING BRACKET

    • Publication number 20250172236
    • Publication date May 29, 2025
    • BLUE-WHITE INDUSTRIES, LTD.
    • John T. Nguyen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GAS SUPPLY PUMP FOR SHIP DUAL FUEL ENGINE

    • Publication number 20250172132
    • Publication date May 29, 2025
    • HYUNDAI HEAVY INDUSTRIES CO., LTD.
    • Sang Don Lee
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    DIAPHRAGM RUPTURE SIGNALLING DEVICE

    • Publication number 20250172136
    • Publication date May 29, 2025
    • ProMinent GmbH
    • Josef BRAUN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MULTI VALVE CONTROL FOR PUMPS

    • Publication number 20250163784
    • Publication date May 22, 2025
    • Halliburton Energy Services, Inc.
    • Andrew Silas Clyburn
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP HOUSING WITH DRAIN FOR VEHICLE

    • Publication number 20250163909
    • Publication date May 22, 2025
    • GM GLOBAL TECHNOLOGY OPERATIONS LLC
    • Mark Claywell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DIAMETER VALVE BORES FOR THRU ROD FLUID ENDS

    • Publication number 20250163902
    • Publication date May 22, 2025
    • GD Energy Products, LLC
    • Konner Casey Kay
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Power End Housing for Plunger Pump and Plunger Pump Including Power...

    • Publication number 20250163910
    • Publication date May 22, 2025
    • YANTAI JEREH OILFIELD SERVICES GROUP CO., LTD.
    • Junlei YAO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Air Pump Device with Accessories Storage Function

    • Publication number 20250154943
    • Publication date May 15, 2025
    • Huaxin (Dongguan) Technology Co., Ltd.
    • Renlan Luo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MOUNTING STRUCTURE FOR DIAPHRAGM AND RETAINER

    • Publication number 20250154947
    • Publication date May 15, 2025
    • IWAKI CO., LTD.
    • Masaki KIKUCHI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    POWER END OF RECIPROCATING PUMP

    • Publication number 20250154949
    • Publication date May 15, 2025
    • GD Energy Products, LLC
    • Laramie Rose Smith
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MAGNETIC BEARING FOR SUPPORTING AN RC PISTON

    • Publication number 20250154984
    • Publication date May 15, 2025
    • Nuovo Pignone Tecnologie S.r.l.
    • Massimiliano ORTIZ NERI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FUEL PUMP ASSEMBLY

    • Publication number 20250154941
    • Publication date May 15, 2025
    • CUMMINS-SCANIA HPCR SYSTEM, LLC
    • Donald J. Benson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PACKING STYLE PISTON ROD

    • Publication number 20250154948
    • Publication date May 15, 2025
    • GD Energy Products, LLC
    • Konner Casey Kay
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    LIQUID SUPPLY DEVICE

    • Publication number 20250146485
    • Publication date May 8, 2025
    • Koganei Corporation
    • Takeo YAJIMA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID PRESSURE SUPPLY APPARATUS

    • Publication number 20250146481
    • Publication date May 8, 2025
    • HL MANDO CORPORATION
    • Ansoo YOON
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    FLOW CROSS JUNCTIONS FOR A MANIFOLD OF A HYDRAULIC FRACTURING SYSTE...

    • Publication number 20250146396
    • Publication date May 8, 2025
    • Scout Surface Solutions LLC
    • Michael James Cornelssen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DETECTION AND EXTRACTION OF NAPL CONTAMINATES

    • Publication number 20250137451
    • Publication date May 1, 2025
    • NAPL Solutions, LLC
    • Daniel Alexander Smedley
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP DEVICE AND PUMP ASSEMBLY COMPRISING AT LEAST ONE PUMP DEVICE

    • Publication number 20250137452
    • Publication date May 1, 2025
    • BAUSCH + STROBEL SE + CO.KG
    • Manuel Wallisch
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...