TREA

having two or more sets of cylinders or pistons

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Industry

  • CPC
  • F04B1/22
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Parent Industries

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

Current Industry

F04B1/22having two or more sets of cylinders or pistons
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Power end frame with residual compressive stress and methods
    • Patent number 12,158,143
    • Issue date Dec 3, 2024
    • Caterpillar Inc.
    • Curtis John Graham
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Multi-function oar
    • Patent number 12,103,651
    • Issue date Oct 1, 2024
    • CHUAN JIING ENTERPRISE CO., LTD.
    • Tien Tsai Tseng
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Piston hydraulic device
    • Patent number 11,905,938
    • Issue date Feb 20, 2024
    • Dana Motion Systems Italia S.r.l.
    • Alessandro Sassi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic assembly device, system and method
    • Patent number 11,788,505
    • Issue date Oct 17, 2023
    • GARTECH, LLC
    • Gary Pendleton
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Power end for hydraulic fracturing pump
    • Patent number 11,686,305
    • Issue date Jun 27, 2023
    • ST9 GAS AND OIL, LLC
    • Christopher Paul Buckley
    • E21 - EARTH DRILLING MINING
  • 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

    Hydrostatic piston machine
    • Patent number 11,261,861
    • Issue date Mar 1, 2022
    • Robert Bosch GmbH
    • Timo Nafz
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic drive apparatus
    • Patent number 11,137,001
    • Issue date Oct 5, 2021
    • Kawasaki Jukogyo Kabushiki Kaisha
    • Hideki Tanaka
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Variable displacement pump
    • Patent number 11,053,929
    • Issue date Jul 6, 2021
    • Kabushiki Kaisha Toyota Jidoshokki
    • Tsutomu Matsuo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Power end for hydraulic fracturing pump
    • Patent number 11,009,024
    • Issue date May 18, 2021
    • ST9 GAS AND OIL, LLC
    • Christopher Paul Buckley
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic swash block positioning system
    • Patent number 10,961,991
    • Issue date Mar 30, 2021
    • INNAS BV
    • Peter Augustinus Johannes Achten
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic device, a method of manufacturing a hydraulic device and...
    • Patent number 10,830,221
    • Issue date Nov 10, 2020
    • INNAS BV
    • Peter Augustinus Johannes Achten
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Hydraulic rotary machine
    • Patent number 10,808,686
    • Issue date Oct 20, 2020
    • Kobe Steel, Ltd.
    • Satoshi Maekawa
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Cylinder block and swash plate type liquid-pressure rotating appara...
    • Patent number 10,794,185
    • Issue date Oct 6, 2020
    • Kawasaki Jukogyo Kabushiki Kaisha
    • Koichi Komada
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • 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

    Cradle-mounted swash with trunnion-mounted positioning arms
    • Patent number 10,760,683
    • Issue date Sep 1, 2020
    • Parker-Hannifin Corporation
    • Jason Scot Richardson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Distribution device for a hydraulic machine and a hydraulic machine...
    • Patent number 10,690,109
    • Issue date Jun 23, 2020
    • Poclain Hydraulics Industrie
    • Dominique Costaz
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • 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

    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

    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

    Pump arrangement
    • Patent number 10,495,074
    • Issue date Dec 3, 2019
    • Danfoss A/S
    • Welm Friedrichsen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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 machine with floating cylinders
    • Patent number 10,400,742
    • Issue date Sep 3, 2019
    • MERLO GALFRÉ INNOVATION LAB S.R.L.
    • Renato Galfre
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • 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

    Piston pump and valve plate of piston pump
    • Patent number 10,145,367
    • Issue date Dec 4, 2018
    • KYB Corporation
    • Ryunosuke Ishikawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Device for producing metal member
    • Patent number 10,071,440
    • Issue date Sep 11, 2018
    • Komatsu Ltd.
    • Yoshitaka Shibata
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Piston of axial piston pump motor, cylinder block of axial piston p...
    • Patent number 9,964,211
    • Issue date May 8, 2018
    • Kawasaki Jukogyo Kabushiki Kaisha
    • Isamu Yoshimura
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Hydraulic axial piston machine
    • Patent number 9,920,751
    • Issue date Mar 20, 2018
    • Robert Bosch GmbH
    • Herbert Dreher
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Hydraulic pump and piston for such a hydraulic pump
    • Patent number 9,849,482
    • Issue date Dec 26, 2017
    • HYDAC DRIVE CENTER GMBH
    • Bernd Wykydal
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Method for coating a pump component
    • Patent number 9,782,795
    • Issue date Oct 10, 2017
    • HYDAC DRIVE CENTER GMBH
    • Bernd Wykydal
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

  • Information Patent Application

    HYDRAULIC ASSEMBLY DEVICE, SYSTEM AND METHOD
    • Publication number 20230400007
    • Publication date Dec 14, 2023
    • Gartech, LLC
    • Gary Pendleton
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    MULTI-FUNCTION OAR
    • Publication number 20230159146
    • Publication date May 25, 2023
    • CHUAN JIING ENTERPRISE CO., LTD.
    • Tien Tsai Tseng
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Application

    ASSISTIVE TORQUE ELECTRO-HYDRAULIC PISTON PUMP SYSTEM
    • Publication number 20230151800
    • Publication date May 18, 2023
    • MOOG INC.
    • David GEIGER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HYDRAULIC PUMP MOTOR
    • Publication number 20220275792
    • Publication date Sep 1, 2022
    • Komatsu Ltd.
    • Hideaki Usami
    • 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

    POWER END FOR HYDRAULIC FRACTURING PUMP
    • Publication number 20210239112
    • Publication date Aug 5, 2021
    • ST9 Gas and Oil, LLC
    • Christopher Paul Buckley
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DOUBLE-PLATE ROTARY BARREL PUMP
    • Publication number 20210164456
    • Publication date Jun 3, 2021
    • IFP Energies nouvelles
    • Jean TRICARD
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PISTON HYDRAULIC DEVICE
    • Publication number 20210156369
    • Publication date May 27, 2021
    • Dana Motion Systems Italia S.R.L.
    • ALESSANDRO SASSI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    POWER END FOR HYDRAULIC FRACTURING PUMP
    • Publication number 20210140416
    • Publication date May 13, 2021
    • ST9 Gas and Oil, LLC
    • Christopher Paul Buckley
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DOUBLE-PLATE AND DOUBLE-CYLINDER PUMP
    • Publication number 20210108622
    • Publication date Apr 15, 2021
    • IFP Energies nouvelles
    • Philippe PAGNIER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Hydraulic Assembly Device, System and Method
    • Publication number 20210054821
    • Publication date Feb 25, 2021
    • Gartech, LLC
    • Gary Pendleton
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    HYDRAULIC DRIVE APPARATUS
    • Publication number 20200248719
    • Publication date Aug 6, 2020
    • KAWASAKI JUKOGYO KABUSHIKI KAISHA
    • Hideki TANAKA
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    HYDRAULIC ROTARY MACHINE
    • Publication number 20200063723
    • Publication date Feb 27, 2020
    • Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    • Satoshi MAEKAWA
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    Hydraulic Actuator
    • Publication number 20190277269
    • Publication date Sep 12, 2019
    • ROBERT BOSCH GmbH
    • Christian Markert
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CYLINDER BLOCK AND SWASH PLATE TYPE LIQUID-PRESSURE ROTATING APPARA...
    • Publication number 20190264564
    • Publication date Aug 29, 2019
    • KAWASAKI JUKOGYO KABUSHIKI KAISHA
    • Koichi KOMADA
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    A HYDRAULIC DEVICE, A METHOD OF MANUFACTURING A HYDRAULIC DEVICE AN...
    • Publication number 20190211812
    • Publication date Jul 11, 2019
    • INNAS BV
    • Peter Augustinus Johannes Achten
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    DUAL OUTPUT VARIABLE DISPLACEMENT AXIAL PISTON PUMP AND METHOD THEREOF
    • Publication number 20180347552
    • Publication date Dec 6, 2018
    • SCHAEFFLER TECHNOLOGIES AG & CO. KG
    • Joseph Johnson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT PUMP
    • Publication number 20180328350
    • Publication date Nov 15, 2018
    • KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    • Tsutomu MATSUO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Cradle-Mounted Swash with Trunnion-Mounted Positioning Arms
    • Publication number 20180216731
    • Publication date Aug 2, 2018
    • Parker-Hannifin Corporation
    • Jason Scott Richardson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • 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

    HYDRAULIC MACHINE WITH IMPROVED OSCILLATING AXIAL CYLINDERS
    • Publication number 20170335820
    • Publication date Nov 23, 2017
    • MONEY S.R.L
    • Felice PECORARI
    • 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

    Hydrostatic Axial Piston Machine with Control Disk
    • Publication number 20170159637
    • Publication date Jun 8, 2017
    • ROBERT BOSCH GmbH
    • Josef Kopecki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HYDRAULIC ROTARY MACHINE
    • Publication number 20170159639
    • Publication date Jun 8, 2017
    • KYB Corporation
    • Ryunosuke ISHIKAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HYDRAULIC ROTARY MACHINE
    • Publication number 20170159638
    • Publication date Jun 8, 2017
    • KYB Corporation
    • Ryunosuke ISHIKAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HYDRAULIC MACHINE WITH FLOATING CYLINDERS
    • Publication number 20170152832
    • Publication date Jun 1, 2017
    • Merlo Group Innovation Lab S.r.l.
    • Renato GALFRE'
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DISTRIBUTION DEVICE FOR A HYDRAULIC MACHINE AND A HYDRAULIC MACHINE...
    • Publication number 20170130693
    • Publication date May 11, 2017
    • POCLAIN HYDRAULICS INDUSTRIE
    • Dominique COSTAZ
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    POSITIVE DISPLACEMENT MACHINES AND METHODS OF INCREASING LOAD-CARRY...
    • Publication number 20170016431
    • Publication date Jan 19, 2017
    • Purdue Research Foundation
    • Monika Marianne Ivantysynova
    • 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
    • Publication number 20160348654
    • Publication date Dec 1, 2016
    • KANZAKI KOKYUKOKI MFG. CO., LTD.
    • Toshifumi YASUDA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...