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Particularities in the contacting area between cylinder barrel or valve plate

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  • F04B1/2021
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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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F04B1/2021Particularities in the contacting area between cylinder barrel or valve plate
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic piston machine
    • Patent number 11,952,987
    • Issue date Apr 9, 2024
    • Danfoss A/S
    • Stig Kildegaard Andersen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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

    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

    Axial piston pump with port plate having balance feed aperture reli...
    • Patent number 11,236,736
    • Issue date Feb 1, 2022
    • Honeywell International Inc.
    • Abigail Parsons
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary type valve plate compressor
    • Patent number 11,078,892
    • Issue date Aug 3, 2021
    • Hyundai Motor Company
    • Seong-Bin Jeong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic machine
    • Patent number 11,035,351
    • Issue date Jun 15, 2021
    • Danfoss A/S
    • Stig Kildegaard Andersen
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • 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

    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

    Axial piston hydraulic pump
    • Patent number 10,690,124
    • Issue date Jun 23, 2020
    • Hydro Leduc
    • Louis-Claude Porel
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump device
    • Patent number 10,590,920
    • Issue date Mar 17, 2020
    • Danfoss A/S
    • Welm Friedrichsen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic running surface
    • Patent number 10,533,541
    • Issue date Jan 14, 2020
    • Hydro-Gear Limited Partnership
    • Nathan W. Bonny
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Axial piston pump
    • Patent number 10,527,029
    • Issue date Jan 7, 2020
    • HYDAC DRIVE CENTER GMBH
    • Manuel Kronpass
    • 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

    Hydrostatic pump barrel with sloped kidney ports
    • Patent number 10,364,806
    • Issue date Jul 30, 2019
    • Parker-Hannifin Corporation
    • Daniel Dyminski
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Sliding member
    • Patent number 10,309,457
    • Issue date Jun 4, 2019
    • Senju Metal Industry Co., Ltd.
    • Naoki Sato
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Hydrostatic axial piston machine
    • Patent number 10,294,789
    • Issue date May 21, 2019
    • Linde Hydraulics GmbH & Co. KG
    • Lukas Krittian
    • 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...
  • Information Patent Grant

    Hydrostatic axial piston machine
    • Patent number 10,094,365
    • Issue date Oct 9, 2018
    • Robert Bosch GmbH
    • Alexander Bidell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Banded ceramic valve and/or port plate
    • Patent number 10,094,364
    • Issue date Oct 9, 2018
    • John P. MacHarg
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Hydrostatic positive displacement machine
    • Patent number 10,024,158
    • Issue date Jul 17, 2018
    • Linde Hydraulics GmbH & Co. KG
    • Richard Hofmann
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Hydraulic running surface
    • Patent number 10,018,190
    • Issue date Jul 10, 2018
    • Hydro-Gear Limited Partnership
    • Nathan W. Bonny
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic pump/motor
    • Patent number 10,018,174
    • Issue date Jul 10, 2018
    • Komatsu Ltd.
    • Takeo Iida
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Hydraulic running surface
    • Patent number 9,657,726
    • Issue date May 23, 2017
    • Hydro-Gear Limited Partnership
    • Nathan W. Bonny
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid pressure rotary machine
    • Patent number 9,644,480
    • Issue date May 9, 2017
    • KYB Corporation
    • Tetsuya Iwanaji
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Hydrostatic axial piston machine having a cylinder barrel with a wo...
    • Patent number 9,638,180
    • Issue date May 2, 2017
    • Robert Bosch GmbH
    • Manuel Sell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Axial piston machine
    • Patent number 9,341,170
    • Issue date May 17, 2016
    • Robert Bosch GmbH
    • Clemens Krebs
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    VALVE PLATE, CYLINDER BLOCK, AND HYDRAULIC PUMP/MOTOR
    • Publication number 20230304481
    • Publication date Sep 28, 2023
    • Komatsu Ltd.
    • Mitsutaka Ikeda
    • 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

    HYDRAULIC AXIAL PISTON MACHINE
    • Publication number 20210189878
    • Publication date Jun 24, 2021
    • Danfoss A/S
    • Stig Kildegaard Andersen
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    HYDRAULIC PISTON MACHINE
    • Publication number 20210148343
    • Publication date May 20, 2021
    • Danfoss A/S
    • Stig Kildegaard Andersen
    • 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

    ROTARY TYPE VALVE PLATE COMPRESSOR
    • Publication number 20200011307
    • Publication date Jan 9, 2020
    • Hyundai Motor Company
    • Seong-Bin JEONG
    • 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

    HYDRAULIC ROTARY MACHINE AND VALVE PLATE THEREOF
    • Publication number 20190145388
    • Publication date May 16, 2019
    • KYB Corporation
    • Ryunosuke ISHIKAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID PRESSURE ROTARY MACHINE
    • Publication number 20140360351
    • Publication date Dec 11, 2014
    • Kayaba Industry Co., Ltd.
    • Tetsuya Iwanaji
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HYDROSTATIC AXIAL PISTON MACHINE HAVING A CYLINDER BARREL WITH A WO...
    • Publication number 20140334948
    • Publication date Nov 13, 2014
    • ROBERT BOSCH GmbH
    • Manuel Sell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Vehicle With A Hydraulic Drive System
    • Publication number 20140166387
    • Publication date Jun 19, 2014
    • Peter A.J. Achten
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    AXIAL PISTONS HYDRAULIC PUMP ABLE TO FUNCTION IN ONE OR THE OTHER R...
    • Publication number 20140003970
    • Publication date Jan 2, 2014
    • Louis-Claude POREL
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AXIAL PISTON MACHINE
    • Publication number 20130298754
    • Publication date Nov 14, 2013
    • ROBERT BOSCH GmbH
    • Clemens Krebs
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VALVE PLATE AND AXIAL PISTON HYDRAULIC PUMP MOTOR INCLUDING THE SAME
    • Publication number 20130055888
    • Publication date Mar 7, 2013
    • KAWASAKI JUKOGYO KABUSHIKI KAISHA
    • Takeshi Ohno
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Axial Bearing For Use In A Hydraulic Device, A Hydraulic Transforme...
    • Publication number 20120031089
    • Publication date Feb 9, 2012
    • Peter Augustinus Johannes Achten
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    FLOW-OPTIMIZED CYLINDER DRUM FOR HYDROSTATIC PISTON ENGINES
    • Publication number 20110030644
    • Publication date Feb 10, 2011
    • Robert Bosch GMBH
    • Joachim Rentschler
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AXIAL-PISTON MACHINE HAVING AN ANTIWEAR LAYER
    • Publication number 20100000401
    • Publication date Jan 7, 2010
    • Brueninghaus Hydromatik GmbH
    • Thomas Beck
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AXIAL PISTON MACHINE AND CONTROL PLATE FOR AN AXIAL PISTON MACHINE
    • Publication number 20090199705
    • Publication date Aug 13, 2009
    • ROBERT BOSCH GmbH
    • Martin Zug
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Hydrostatic Axial Piston Machine
    • Publication number 20090095148
    • Publication date Apr 16, 2009
    • Linde Material Handling GmbH
    • Martin Bergmann
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID POWERED MOTOR OR PUMP
    • Publication number 20090041591
    • Publication date Feb 12, 2009
    • HYDRODRIVE TECHNOLOGIES INC.
    • Michael John Brisland
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Hydrostatic Piston Machine with Output Volume Flow in the Circumfer...
    • Publication number 20080295680
    • Publication date Dec 4, 2008
    • Brueninghaus Hydromatik GmbH
    • Thomas Kunze
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HYDRAULIC PUMP END COVER
    • Publication number 20080295682
    • Publication date Dec 4, 2008
    • Parker-Hannifin Corporation
    • MICHAEL THOLAN CROSBY
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Displacer Unit With a Valve Plate Body
    • Publication number 20080246222
    • Publication date Oct 9, 2008
    • Linde Aktiengesellschaft
    • Robert Adler
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Hydraulic Piston Pump
    • Publication number 20080138225
    • Publication date Jun 12, 2008
    • Shigeru Shinohara
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Axial piston pump or motor of the swashplate or bent axis type
    • Publication number 20070289441
    • Publication date Dec 20, 2007
    • AGCO GmbH
    • Konrad Guggemos
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Distribution system for a hydrostatic piston machine
    • Publication number 20070074626
    • Publication date Apr 5, 2007
    • SAM HYDRAULIK S.P.A.
    • Orles Ferretti
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Working vehicle
    • Publication number 20070028610
    • Publication date Feb 8, 2007
    • Toshifumi Yasuda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Wear-resistant port plate for a fluid transfer device and fluid tra...
    • Publication number 20070022873
    • Publication date Feb 1, 2007
    • Honeywell International Inc.
    • Steven E. Sund
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Axial piston device
    • Publication number 20060269421
    • Publication date Nov 30, 2006
    • Shigenori Sakikawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Axial pistion machine and a control plate for an axial piston engine
    • Publication number 20060169072
    • Publication date Aug 3, 2006
    • Josef Beck
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...