TREA

Machines or pumps with differential surface pistons

Follow

Industry

  • CPC
  • F04B5/00
This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04BPOSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS

Current Industry

F04B5/00Machines or pumps with differential surface pistons

Sub Industries

F04B5/02with double-acting pistons
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Pump unit for medical purposes
    • Patent number 12,364,803
    • Issue date Jul 22, 2025
    • ERBE ELEKTROMEDIZIN GMBH
    • Michael Fehrenbacher
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic device
    • Patent number 12,366,232
    • Issue date Jul 22, 2025
    • INNAS BV
    • Peter Augustinus Johannes Achten
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Process for internally cooling an inline compressor
    • Patent number 12,366,237
    • Issue date Jul 22, 2025
    • Wayne A Wolf
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Soft serve ice cream pump assembly
    • Patent number 12,366,238
    • Issue date Jul 22, 2025
    • Plum Creek Farm LLC
    • Keith Zimmerman
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Connecting rod assembly for reciprocating pump
    • Patent number 12,366,245
    • Issue date Jul 22, 2025
    • VULCAN INDUSTRIAL HOLDINGS, LLC
    • Kyle Matthew Ellisor
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hydraulic fracturing pump health and performance monitoring using I...
    • Patent number 12,366,242
    • Issue date Jul 22, 2025
    • SPM Oil & Gas Inc.
    • Ralph E. Harris
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Minimizing drivetrain damage from bad discharge valves on positive...
    • Patent number 12,366,243
    • Issue date Jul 22, 2025
    • Halliburton Energy Services, Inc.
    • Stanley Vernon Stephenson
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Spring controlling valve
    • Patent number 12,366,244
    • Issue date Jul 22, 2025
    • VULCAN INDUSTRIAL HOLDINGS, LLC
    • Akhil Alex
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pump having a flange for mounting an auxiliary pump
    • Patent number 12,366,234
    • Issue date Jul 22, 2025
    • Caterpillar Inc.
    • Romas J. Povilonis
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electrically operated pump for a plural component spray system
    • Patent number 12,366,233
    • Issue date Jul 22, 2025
    • Graco Minnesota Inc.
    • Matthew R. Theisen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Linear FRAC pump drive system safety deflector
    • Patent number 12,359,660
    • Issue date Jul 15, 2025
    • SPM Oil & Gas Inc.
    • Chandu Kumar
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Valve cartridge for a fluid pump
    • Patent number 12,359,663
    • Issue date Jul 15, 2025
    • SPM Oil & Gas Inc.
    • Daryl James Belshan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Tightening device for a device for conveying fluid and a device for...
    • Patent number 12,359,664
    • Issue date Jul 15, 2025
    • PSG GERMANY GMBH
    • Simon Nettesheim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Lubricant reservoir, compressor system and heat pump
    • Patent number 12,359,852
    • Issue date Jul 15, 2025
    • SPH Sustainable Process Heat GmbH
    • Tim Hamacher
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Spring-based status sensors
    • Patent number 12,359,903
    • Issue date Jul 15, 2025
    • INSULET CORPORATION
    • Steven Cardinali
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fiber reinforced valve seal
    • Patent number 12,359,738
    • Issue date Jul 15, 2025
    • GD ENERGY PRODUCTS, LLC
    • Troy Edward Wiegand
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method for determining a present state of wear of a hydrostatic mac...
    • Patent number 12,359,662
    • Issue date Jul 15, 2025
    • MOOG GmbH
    • Dirk Becher
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Air bubble sensing systems and related signal processing
    • Patent number 12,352,697
    • Issue date Jul 8, 2025
    • Donaldson Company, Inc.
    • Davis B. Moravec
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Transfer pump
    • Patent number 12,352,254
    • Issue date Jul 8, 2025
    • Graco Minnesota Inc.
    • Steven D. Becker
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Linear compressor discharge valves
    • Patent number 12,352,262
    • Issue date Jul 8, 2025
    • Victrex Manufacturing Limited
    • Andrew Anderson
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Compressor and method for compressing a working medium
    • Patent number 12,352,263
    • Issue date Jul 8, 2025
    • MAXIMATOR GMBH
    • Robert Adler
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid end with clamped retention
    • Patent number 12,352,356
    • Issue date Jul 8, 2025
    • Kerr Machine Co.
    • Kelcy Jake Foster
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Controlling fluid operations for machine systems
    • Patent number 12,352,258
    • Issue date Jul 8, 2025
    • RPM Industries, LLC
    • John K. Apostolides
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Calibratable variable displacement pump
    • Patent number 12,352,260
    • Issue date Jul 8, 2025
    • Fluid Metering, Inc.
    • Richard Charles Hill
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Miniature vacuum pump and miniature vacuum device
    • Patent number 12,352,261
    • Issue date Jul 8, 2025
    • Baifeng Li
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Air compressor cylinder liner
    • Patent number 12,352,264
    • Issue date Jul 8, 2025
    • Orbital Australia Pty Ltd
    • John Howard Tubb
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Variable output, hydraulic drive system
    • Patent number 12,352,295
    • Issue date Jul 8, 2025
    • Robert D. Kline
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Valve assemblies for a diaphragm pump
    • Patent number 12,345,248
    • Issue date Jul 1, 2025
    • PSG GERMANY GMBH
    • Charankumar Kodandaramaiah
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Packing assembly with threaded sleeve for interaction with an insta...
    • Patent number 12,345,253
    • Issue date Jul 1, 2025
    • VULCAN INDUSTRIAL HOLDINGS, LLC
    • Chance Ray Mullins
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Self-locking plug
    • Patent number 12,345,332
    • Issue date Jul 1, 2025
    • VULCAN INDUSTRIAL HOLDINGS, LLC
    • Kyle Matthew Ellisor
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    AIR COMPRESSOR STRUCTURE
    • Publication number 20250237207
    • Publication date Jul 24, 2025
    • UNIK WORLD INDUSTRIAL CO., LTD.
    • Wen San Chou
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Proportional Additive Dosing Pump with Bidirectional Rolling Diaphragm
    • Publication number 20250237213
    • Publication date Jul 24, 2025
    • Tefen Flow and Dosing Technologies LTD.
    • Zvi Weingarten
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID COMPRESSION APPARATUS AND METHOD
    • Publication number 20250237201
    • Publication date Jul 24, 2025
    • L'air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Ge...
    • Youssef ABDO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DOUBLE ACTING TWO STAGE PISTON TYPE PUMP
    • Publication number 20250237203
    • Publication date Jul 24, 2025
    • ZF CV Systems Europe BV
    • Simon Warner
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SELF-LOCKING PLUG
    • Publication number 20250237308
    • Publication date Jul 24, 2025
    • Vulcan Industrial Holdings, LLC
    • Kyle Matthew Ellisor
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID COMPRESSION APPARATUS AND METHOD
    • Publication number 20250237205
    • Publication date Jul 24, 2025
    • L'air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Ge...
    • Youssef ABDO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Portable Air Compressor
    • Publication number 20250237204
    • Publication date Jul 24, 2025
    • The NOCO Company
    • Matthew Michael BOSWAY
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SEALING HIGH PRESSURE FLOW DEVICES
    • Publication number 20250230877
    • Publication date Jul 17, 2025
    • KERR MACHINE CO.
    • Mark S. Nowell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP PERFORMANCE DATA LOGGING APPARATUS
    • Publication number 20250230809
    • Publication date Jul 17, 2025
    • KIMLEY-HORN TECHNOLOGY SOLUTIONS, INC.
    • Zak PURVIS
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Portable Fluid Tank System with Multi-State Control Interface and R...
    • Publication number 20250230808
    • Publication date Jul 17, 2025
    • Black & Decker Inc.
    • Heather M. Lockhart
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID END
    • Publication number 20250230811
    • Publication date Jul 17, 2025
    • KERR MACHINE CO.
    • Mark S. Nowell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Inflator with Upper Cover Showing Pressure Value
    • Publication number 20250223953
    • Publication date Jul 10, 2025
    • BETO ENGINEERING AND MARKETING CO., LTD
    • Lopin WANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD AND APPARATUS FOR PUMP FAILURE PREDICTION
    • Publication number 20250223959
    • Publication date Jul 10, 2025
    • SK INNOVATION CO., LTD.
    • Seungjun Lee
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    STUCK-PUMP PREVENTION DEVICE
    • Publication number 20250223960
    • Publication date Jul 10, 2025
    • SUBARU CORPORATION
    • Akihiro SUZUKI
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    MANIFOLD ASSEMBLY
    • Publication number 20250223961
    • Publication date Jul 10, 2025
    • KERR MACHINE CO.
    • Kelcy Jake Foster
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    FLUID END ASSEMBLY
    • Publication number 20250223962
    • Publication date Jul 10, 2025
    • KERR MACHINE CO.
    • Kelcy Jake Foster
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    FLUID PUMP HOUSING SECTION HAVING ONE OR MORE JOINING FLANGES COLLE...
    • Publication number 20250215875
    • Publication date Jul 3, 2025
    • Halliburton Energy Services, Inc.
    • Michael Foss
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    LINEAR PERISTALTIC PUMP
    • Publication number 20250215871
    • Publication date Jul 3, 2025
    • Cellular Origins Limited
    • Daniel Strange
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FAN TESTING SYSTEM
    • Publication number 20250216298
    • Publication date Jul 3, 2025
    • Bitmain Technologies Inc.
    • You LI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PISTON COMPRESSOR AND PORTABLE REFRIGERATOR COMPRISING SAME
    • Publication number 20250215865
    • Publication date Jul 3, 2025
    • Dometic Sweden AB
    • Haibo Hao
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD FOR DETERMINING MALFUNCTION OF A LIQUID DRAINAGE PUMP AND RE...
    • Publication number 20250215873
    • Publication date Jul 3, 2025
    • Ke MA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MONITORING APPARATUS, ARRANGEMENT AND METHOD FOR A SPRINKLER PUMP UNIT
    • Publication number 20250215874
    • Publication date Jul 3, 2025
    • MECON GmbH
    • Joachim Böke
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY SWASH PLATE HYDRAULIC PUMP
    • Publication number 20250207570
    • Publication date Jun 26, 2025
    • KAWASAKI JUKOGYO KABUSHIKI KAISHA
    • Shinji NISHIDA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    A COMPRESSOR ASSEMBLY
    • Publication number 20250207572
    • Publication date Jun 26, 2025
    • GEA Refrigeration Netherlands N.V.
    • Joseph Johannes Adrianus Maria VAN DEN OETELAAR
    • 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 20250207574
    • Publication date Jun 26, 2025
    • KERR MACHINE CO.
    • Kelcy Jake Foster
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DRIVE SYSTEM FOR A POSITIVE DISPLACEMENT PUMP
    • Publication number 20250207575
    • Publication date Jun 26, 2025
    • Graco Minnesota Inc.
    • Bradley H. Hines
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP AND COMBINATION PUMP/MIXER DEVICE WITH LOBED CHECK VALVE FLUID...
    • Publication number 20250207576
    • Publication date Jun 26, 2025
    • ALPHINITY USA, INC.
    • Michael C. Gagne
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PLUNGER LIFT WITH AN ADJUSTABLE AND VARIABLE CLUTCH
    • Publication number 20250207579
    • Publication date Jun 26, 2025
    • Endurance Lift Solutions, LLC
    • Ryan Gernentz
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    PUMP NOISE ATTENUATOR AND METHOD THEREOF
    • Publication number 20250207581
    • Publication date Jun 26, 2025
    • LEGGETT & PLATT CANADA CO.
    • Horia BLENDEA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    FLUID END
    • Publication number 20250207571
    • Publication date Jun 26, 2025
    • KERR MACHINE CO.
    • Micheal Cole Thomas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...