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one side of the double-acting liquid motor being always under the influence of the liquid under pressure

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  • F04B9/1053
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FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04BPOSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS F04B9/00Piston machines or pumps characterised by the driving or driven means to or from their working members

Current Industry

F04B9/1053one side of the double-acting liquid motor being always under the influence of the liquid under pressure
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Pump device
    • Patent number 11,795,927
    • Issue date Oct 24, 2023
    • OBS Technology AS
    • Nils Terje Ottestad
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic system for high speed reciprocating cylinders
    • Patent number 11,268,501
    • Issue date Mar 8, 2022
    • Hydraquip, Inc.
    • Eric Wayne Martin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Substance dispensing system
    • Patent number 10,792,695
    • Issue date Oct 6, 2020
    • Rooftop Research, LLC.
    • Robert S. Burns
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    High pressure generator with bidirectional check valves controlling...
    • Patent number 10,422,326
    • Issue date Sep 24, 2019
    • SUGINO MACHINE LIMITED
    • Sho Sato
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Booster pump
    • Patent number 10,280,907
    • Issue date May 7, 2019
    • MITSUI E&S MACHINERY CO., LTD.
    • Kazushige Ohta
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Controllable constriction device for the throat of a venturi channe...
    • Patent number 10,197,071
    • Issue date Feb 5, 2019
    • Dosatron International
    • Sebastien Furet
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Pumping assembly
    • Patent number 9,863,415
    • Issue date Jan 9, 2018
    • 1238585 Alberta Ltd.
    • Perry L. St. Denis
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Substance dispensing system
    • Patent number 9,511,390
    • Issue date Dec 6, 2016
    • Rooftop Research, LLC.
    • Robert S. Burns
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Proportional dosimeter for metering an auxiliary liquid into a main...
    • Patent number 9,303,634
    • Issue date Apr 5, 2016
    • Dosatron International
    • Sebastien Furet
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Double acting reciprocating motor with uni-directional fluid flow
    • Patent number 6,589,027
    • Issue date Jul 8, 2003
    • Westport Research Inc.
    • Mihai Ursan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Reciprocating motor with uni-directional fluid flow
    • Patent number 6,398,527
    • Issue date Jun 4, 2002
    • Westport Research Inc.
    • Anker Gram
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Control system for a hydraulic transformer having variable pressure...
    • Patent number 6,374,602
    • Issue date Apr 23, 2002
    • Caterpillar Inc.
    • Sameer M. Prabhu
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Flow-through vertical filling pump with a plurality of diaphragms
    • Patent number 5,897,304
    • Issue date Apr 27, 1999
    • Tetra Laval Holdings & Finance, S.A.
    • Yutaka Kaneko
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Reciprocating engine
    • Patent number 5,613,420
    • Issue date Mar 25, 1997
    • Glockemann Peck Engineering Pty Ltd.
    • Ralph Glockemann
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Direct action fluid motor and injection pump
    • Patent number 5,513,963
    • Issue date May 7, 1996
    • Frank & Robyn Walton 1990 Family Trust
    • Frank A. Walton
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Device for controlling piston displacement and pump including same
    • Patent number 5,505,224
    • Issue date Apr 9, 1996
    • Societe Civile de Recherche ODY
    • Stephane Urrutia
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid intensifier
    • Patent number 5,484,269
    • Issue date Jan 16, 1996
    • Moog Inc.
    • Ralph L. Vick
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Magnetically actuated fluid motor
    • Patent number 5,243,897
    • Issue date Sep 14, 1993
    • Frank & Robyn Walton 1990 Family Trust
    • Frank A. Walton
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Compression spring fluid motor
    • Patent number 5,137,435
    • Issue date Aug 11, 1992
    • Frank and Robyn Walton 1990 Family Trust
    • Frank Walton
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Liquid injection apparatus having an external adjustor
    • Patent number 4,809,731
    • Issue date Mar 7, 1989
    • Walton; Frank A.
    • Frank A. Walton
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Viscous damped valve for hydraulic pump
    • Patent number 4,792,291
    • Issue date Dec 20, 1988
    • Graco Inc.
    • Daniel J. Kvinge
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Control arrangement for controlling a hydraulic drive for driving a...
    • Patent number 4,768,420
    • Issue date Sep 6, 1988
    • Ernst Korthaus
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid pressure ratio transformer system
    • Patent number 4,488,853
    • Issue date Dec 18, 1984
    • New Process Industries, Inc.
    • Glendon M. Benson
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fluid actuator
    • Patent number 4,343,225
    • Issue date Aug 10, 1982
    • The Bendix Corporation
    • Dean Runkle
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Hydraulically actuated pump assembly
    • Patent number 4,118,154
    • Issue date Oct 3, 1978
    • George K. Roeder
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Linear hydraulic motor
    • Patent number 4,111,607
    • Issue date Sep 5, 1978
    • Amiad Systems Ltd.
    • Chanany Tavor
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Fluid motor drives pump having an active inlet valve
    • Patent number 3,945,768
    • Issue date Mar 23, 1976
    • Graco Inc.
    • Donald K. Georgi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Linear hydraulic motor
    • Patent number 3,939,755
    • Issue date Feb 24, 1976
    • Amiad Systems Limited
    • Hanani Tabor
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    3737254
    • Patent number 3,737,254
    • Issue date Jun 5, 1973
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    3420183
    • Patent number 3,420,183
    • Issue date Jan 7, 1969
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    ULTRAHIGH PRESSURE GENERATOR
    • Publication number 20180149145
    • Publication date May 31, 2018
    • Sugino Machine Limited
    • Sho SATO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHODS AND SYSTEMS FOR PRESSURIZING HARSH FLUIDS
    • Publication number 20180030968
    • Publication date Feb 1, 2018
    • SCHLUMBERGER TECHNOLOGY CORPORATION
    • Sandeep Verma
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID PUMP SYSTEM
    • Publication number 20140334947
    • Publication date Nov 13, 2014
    • Caterpillar Inc.
    • David E. Hackett
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    "Substance Dispensing System"
    • Publication number 20140260231
    • Publication date Sep 18, 2014
    • Rooftop Research, LLC.
    • Robert S. Burns
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    PROPORTIONAL DOSIMETER FOR METERING AN AUXILIARY LIQUID INTO A MAIN...
    • Publication number 20130233421
    • Publication date Sep 12, 2013
    • DOSATRON INTERNATIONAL
    • Sébastien Furet
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Reciprocating piston pump operating on pressure medium
    • Publication number 20080286120
    • Publication date Nov 20, 2008
    • Jan Noord
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Dosing Device for Introducing an Additive Into a Liquid Flow
    • Publication number 20070227961
    • Publication date Oct 4, 2007
    • Dosatron International
    • Gilbert Barras
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Double acting reciprocating motor with uni-directional fluid flow
    • Publication number 20020150483
    • Publication date Oct 17, 2002
    • Mihai Ursan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...