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  • F04B1/2042
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FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04BPOSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS F04B1/00Multi-cylinder machines or pumps characterised by number or arrangements of cylinders

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F04B1/2042Valve means
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic pump motor
    • Patent number 12,104,569
    • Issue date Oct 1, 2024
    • Komatsu Ltd.
    • Hideaki Usami
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Axial piston pump with inclined plate
    • Patent number 12,044,233
    • Issue date Jul 23, 2024
    • MIXTRON S.R.L.
    • Stefano Brevini
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Axial piston pump with inclined plate
    • Patent number 11,994,116
    • Issue date May 28, 2024
    • MIXTRON S.R.L.
    • Stefano Brevini
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic pump/motor
    • Patent number 11,994,097
    • Issue date May 28, 2024
    • Komatsu Ltd.
    • Shunsuke Koide
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Hydrostatic axial piston machine
    • Patent number 11,619,203
    • Issue date Apr 4, 2023
    • Robert Bosch GmbH
    • Walther Wustmann
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Hydraulic machine, hydraulic assembly having the hydraulic machine,...
    • Patent number 11,619,214
    • Issue date Apr 4, 2023
    • Robert Bosch GmbH
    • Andreas Guender
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Hydrostatic axial piston machine having pressure side change
    • Patent number 11,603,829
    • Issue date Mar 14, 2023
    • Robert Bosch GmbH
    • David Breuer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary axial piston machine with hydrostatic pressing device seal a...
    • Patent number 11,591,910
    • Issue date Feb 28, 2023
    • Robert Bosch GmbH
    • David Breuer
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Valve plate assembly
    • Patent number 11,555,488
    • Issue date Jan 17, 2023
    • Danfoss A/S
    • Stig Kildegaard Andersen
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Axial piston machine with pressure relief in the through drive space
    • Patent number 11,162,481
    • Issue date Nov 2, 2021
    • Robert Bosch GmbH
    • David Breuer
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Low profile electro-hydrostatic actuator
    • Patent number 11,118,610
    • Issue date Sep 14, 2021
    • The Boeing Company
    • David E. Blanding
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydrostatic piston engine
    • Patent number 11,008,862
    • Issue date May 18, 2021
    • Robert Bosch GmbH
    • David Breuer
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Hydraulic motor
    • Patent number 11,009,015
    • Issue date May 18, 2021
    • Hydro-Gear Limited Partnership
    • Nathan W. Bonny
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Hydraulic pump with inlet baffle
    • Patent number 10,947,963
    • Issue date Mar 16, 2021
    • Parker-Hannifin Corporation
    • Daniel Dyminski
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Displacement adjusting device of swash plate pump
    • Patent number 10,914,294
    • Issue date Feb 9, 2021
    • Kawasaki Jukogyo Kabushiki Kaisha
    • Hidetoshi Miura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pressure compensating pump
    • Patent number 10,900,472
    • Issue date Jan 26, 2021
    • Hydro-Gear Limited Partnership
    • Nathan W. Bonny
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic systems with variable speed drives
    • Patent number 10,822,772
    • Issue date Nov 3, 2020
    • Wrightspeed, Inc.
    • Ian Wright
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid pressure pump
    • Patent number 10,788,024
    • Issue date Sep 29, 2020
    • Mitsubishi Heavy Industries, Ltd.
    • Atsushi Kakino
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    High pressure axial piston pump with multiple discharge ports
    • Patent number 10,718,320
    • Issue date Jul 21, 2020
    • Clayton Note
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Hydraulic pump-motor
    • Patent number 10,598,146
    • Issue date Mar 24, 2020
    • Komatsu Ltd.
    • Takeo Iida
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Hydrostatic axial piston machine
    • Patent number 10,519,939
    • Issue date Dec 31, 2019
    • Robert Bosch GmbH
    • Andreas Apperger
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic apparatus
    • Patent number 10,519,990
    • Issue date Dec 31, 2019
    • YANMAR CO., LTD.
    • Kazuhiro Owada
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydrostatic axial piston machine
    • Patent number 10,458,387
    • Issue date Oct 29, 2019
    • Robert Bosch GmbH
    • Josef Kopecki
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Hydraulic device
    • Patent number 10,436,184
    • Issue date Oct 8, 2019
    • Danfoss A/S
    • Sveinn Porarinsson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Axial piston pump/motor
    • Patent number 10,408,197
    • Issue date Sep 10, 2019
    • Rolls-Royce PLC
    • Andrew Syska
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Hydraulic machine
    • Patent number 10,385,887
    • Issue date Aug 20, 2019
    • Danfoss A/S
    • Stig Kildegaard Andersen
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic pump assembly
    • Patent number 10,317,916
    • Issue date Jun 11, 2019
    • BorgWarner Sweden AB
    • Gustaf Lagunoff
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Valve assembly for variable swash plate compressor
    • Patent number 10,316,831
    • Issue date Jun 11, 2019
    • Hanon Systems
    • Sang Woo Bae
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable displacement axial piston pump with fluid controlled swash...
    • Patent number 10,247,178
    • Issue date Apr 2, 2019
    • Robert Bosch GmbH
    • Nathan Sink
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic pump port plate with variable area metering notch
    • Patent number 10,227,964
    • Issue date Mar 12, 2019
    • Caterpillar Inc.
    • Kevin J. Graf
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    ACTUATION SYSTEM FOR A MOTOR
    • Publication number 20240318642
    • Publication date Sep 26, 2024
    • Dana Motion Systems Italia S.R.L.
    • FEDERICA FRANZONI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Control plate of a hydraulic machine and hydraulic machine
    • Publication number 20240175429
    • Publication date May 30, 2024
    • Danfoss A/S
    • Stig Kildegaard Andersen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Hub Feed Oil System
    • Publication number 20230279847
    • Publication date Sep 7, 2023
    • Overair, Inc.
    • William Martin Waide
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HYDRAULIC PUMP/MOTOR
    • Publication number 20230021713
    • Publication date Jan 26, 2023
    • Komatsu Ltd.
    • Shunsuke Koide
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    AXIAL PISTON PUMP WITH INCLINED PLATE
    • Publication number 20230003216
    • Publication date Jan 5, 2023
    • MIXTRON S.R.L.
    • Stefano BREVINI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AXIAL PISTON PUMP WITH INCLINED PLATE
    • Publication number 20230003204
    • Publication date Jan 5, 2023
    • MIXTRON S.R.L.
    • Stefano BREVINI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SUPPORT SYSTEM FOR A DISPLACEMENT ADJUSTMENT PLATE OF AN AXIAL PIST...
    • Publication number 20220325704
    • Publication date Oct 13, 2022
    • Dana Motion Systems Italia S.R.L.
    • Piergiorgio TRINCHIERI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Hydrostatic Axial Piston Machine of the Swash Plate Construction Type
    • Publication number 20210254608
    • Publication date Aug 19, 2021
    • ROBERT BOSCH GmbH
    • David Breuer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Hydrostatic Axial Piston Machine Having Pressure Side Change
    • Publication number 20210254609
    • Publication date Aug 19, 2021
    • ROBERT BOSCH GmbH
    • David Breuer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Hydraulic Machine, Hydraulic Assembly having the Hydraulic Machine,...
    • Publication number 20200340460
    • Publication date Oct 29, 2020
    • ROBERT BOSCH GmbH
    • Andreas Guender
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DISPLACEMENT ADJUSTING DEVICE OF SWASH PLATE PUMP
    • Publication number 20200263675
    • Publication date Aug 20, 2020
    • KAWASAKI JUKOGYO KABUSHIKI KAISHA
    • Hidetoshi MIURA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HYDRAULIC PUMP WITH INLET BAFFLE
    • Publication number 20190390663
    • Publication date Dec 26, 2019
    • Parker-Hannifin Corporation
    • Daniel Dyminski
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Hydrostatic Piston Engine
    • Publication number 20190178226
    • Publication date Jun 13, 2019
    • ROBERT BOSCH GmbH
    • David Breuer
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    Hydrostatic Axial Piston Machine
    • Publication number 20180163708
    • Publication date Jun 14, 2018
    • ROBERT BOSCH GmbH
    • Andreas Apperger
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AXIAL PISTON HYDRAULIC PUMP
    • Publication number 20180156207
    • Publication date Jun 7, 2018
    • HYDRO LEDUC
    • Louis-Claude Porel
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT AXIAL PISTON PUMP WITH FLUID CONTROLLED SWASH...
    • Publication number 20170276124
    • Publication date Sep 28, 2017
    • ROBERT BOSCH GmbH
    • Nathan Sink
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LIQUID-PRESSURE ROTATING DEVICE
    • Publication number 20170226855
    • Publication date Aug 10, 2017
    • KAWASAKI JUKOGYO KABUSHIKI KAISHA
    • Akihiro KONDO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PISTON PUMP AND VALVE PLATE OF PISTON PUMP
    • Publication number 20170016432
    • Publication date Jan 19, 2017
    • KYB Corporation
    • Ryunosuke ISHIKAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HYDRAULIC PUMP/MOTOR
    • Publication number 20160327015
    • Publication date Nov 10, 2016
    • Komatsu Ltd.
    • Takeo Iida
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PORT PLATE ASSEMBLY FOR HYDRAULIC UNIT
    • Publication number 20160273359
    • Publication date Sep 22, 2016
    • HAMILTON SUNDSTRAND CORPORATION
    • Kris H. Campbell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HYDRAULIC DEVICE
    • Publication number 20160230749
    • Publication date Aug 11, 2016
    • Danfoss A/S
    • Sveinn Porarinsson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    APPARATUS INCLUDING SWASHPLATES FIXED ON SHAFT ASSEMBLY AND PISTON...
    • Publication number 20160025080
    • Publication date Jan 28, 2016
    • Iqbal Zafar
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HYDRAULIC PUMP WITH DOUBLE DIRECTION OF ROTATION
    • Publication number 20160025081
    • Publication date Jan 28, 2016
    • HYDRO LEDUC
    • François Porel
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SWASH PLATE TYPE VARIABLE DISPLACEMENT COMPRESSOR
    • Publication number 20150211502
    • Publication date Jul 30, 2015
    • Kabushiki Kaisha Toyota Jidoshokki
    • Masaki OTA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VALVE ASSEMBLY FOR VARIABLE SWASH PLATE COMPRESSOR
    • Publication number 20150086400
    • Publication date Mar 26, 2015
    • HALLA VISTEON CLIMATE CONTROL CORP.
    • Sang Woo Bae
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Piston pump
    • Publication number 20150075158
    • Publication date Mar 19, 2015
    • Ultraflex S.p.A.
    • Marcella Gai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID PRESSURE PUMP
    • Publication number 20150078930
    • Publication date Mar 19, 2015
    • Mitsubishi Heavy Industries, Ltd.
    • Atsushi Kakino
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    BENT AXIS TYPE AXIAL PISTON PUMP/MOTOR
    • Publication number 20150030471
    • Publication date Jan 29, 2015
    • Komatsu Ltd.
    • Takuya Miyata
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DOUBLE SWASH PLATE PUMP WITH ADJUSTABLE VALVE RING CONCEPT
    • Publication number 20140308139
    • Publication date Oct 16, 2014
    • Medhat Kamel Bahr Khalil
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Hydrostatic Positive Displacement Machine
    • Publication number 20140150640
    • Publication date Jun 5, 2014
    • Richard Hofmann
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...