TREA

with an actuating or actuated element at the inner ends of the cylinders

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  • CPC
  • F04B1/113
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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

F04B1/113with an actuating or actuated element at the inner ends of the cylinders
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    System for a bent axis motor
    • Patent number 11,898,582
    • Issue date Feb 13, 2024
    • Dana Motion Systems Italia S.r.l.
    • Federica Franzoni
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Hydraulic apparatus having an additional thrust section
    • Patent number 10,527,022
    • Issue date Jan 7, 2020
    • Poclain Hydraulics Industrie
    • Clement Philippe Recoura
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Spin pump with spun-epicyclic geometry having piston bores capped w...
    • Patent number 10,465,669
    • Issue date Nov 5, 2019
    • Chart Inc.
    • John Corey
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Radial piston pump and wind power generator
    • Patent number 9,945,360
    • Issue date Apr 17, 2018
    • Hitachi, Ltd.
    • Hiroshi Mukai
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Spin pump with spun-epicyclic geometry
    • Patent number 9,771,931
    • Issue date Sep 26, 2017
    • Chart Inc.
    • John Corey
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    High pressure pump
    • Patent number 9,188,116
    • Issue date Nov 17, 2015
    • Kinemax Systems, LLC
    • Franz W. Kellar
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Pump
    • Patent number 9,109,585
    • Issue date Aug 18, 2015
    • YASA MOTORS POLAND SP. ZO.O.
    • Markus Mueller
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    High pressure pump
    • Patent number 8,267,672
    • Issue date Sep 18, 2012
    • Franz W. Kellar
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    High pressure pump
    • Patent number 7,661,935
    • Issue date Feb 16, 2010
    • Kinemax Pump Systems LLC
    • Franz W. Kellar
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Metering and pumping devices
    • Patent number 7,574,925
    • Issue date Aug 18, 2009
    • University of Southern California
    • Behrokh Khoshnevis
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Cruciform pump
    • Patent number 6,672,848
    • Issue date Jan 6, 2004
    • Gene-Huang Yang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Two rotor sliding vane compressor
    • Patent number 5,681,153
    • Issue date Oct 28, 1997
    • Carrier Corporation
    • Roger C. Weatherston
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic piston machines
    • Patent number 5,626,465
    • Issue date May 6, 1997
    • Unipat AG
    • Christian H. Thoma
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Two rotor sliding vane compressor
    • Patent number 5,567,139
    • Issue date Oct 22, 1996
    • Roger C. Weatherston
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Positive displacement centrifugal pump
    • Patent number 5,484,268
    • Issue date Jan 16, 1996
    • Impact MST Incorporated
    • Robert P. Swank
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic radial piston machines
    • Patent number 5,482,442
    • Issue date Jan 9, 1996
    • Unipat AG
    • Arthur A. Blair
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary piston machines with a wear-resistant driving mechanism
    • Patent number 5,249,506
    • Issue date Oct 5, 1993
    • Wolfhart Willimczik
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Hydraulic piston apparatus
    • Patent number 5,244,356
    • Issue date Sep 14, 1993
    • Daiichi Electric Kabushiki Kaisha
    • Hisao Hasegawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Positive displacement pumps
    • Patent number 5,228,840
    • Issue date Jul 20, 1993
    • Impact MST Incorporated
    • Robert P. Swank
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid displacement apparatus with traveling chambers
    • Patent number 5,114,321
    • Issue date May 19, 1992
    • Vairex Corporation
    • Ski Milburn
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydromechanical continuously variable transmission employing plunge...
    • Patent number 5,076,057
    • Issue date Dec 31, 1991
    • Honda Giken Kogyo Kabushiki Kaisha
    • Fujiya Maruno
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump having piston and cylinder rotatable respectively about spaced...
    • Patent number 4,902,208
    • Issue date Feb 20, 1990
    • R. A. Ray Wood
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic pump
    • Patent number 4,892,468
    • Issue date Jan 9, 1990
    • Akebono Brake Industry Co., Ltd.
    • Toshifumi Maehara
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Sealing apparatus for device having variable volume chambers
    • Patent number 4,610,609
    • Issue date Sep 9, 1986
    • William W. Milburn
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotating cylinder fluid pressure device
    • Patent number 4,455,125
    • Issue date Jun 19, 1984
    • Everett F. Irwin
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Variable volume positive displacement rotary pump
    • Patent number 4,437,816
    • Issue date Mar 20, 1984
    • Dunham-Bush, Inc.
    • Dennis A. Magee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Radial piston pump
    • Patent number 4,277,228
    • Issue date Jul 7, 1981
    • G. L. Rexroth GmbH
    • Jorg Dantlgraber
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump for liquids
    • Patent number 4,264,283
    • Issue date Apr 28, 1981
    • Lucas Industries Limited
    • Edward N. Gaffney
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Self-filling fluid device
    • Patent number 4,147,092
    • Issue date Apr 3, 1979
    • Caterpillar Tractor Co.
    • William K. Engel
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Radial piston pump or motor with unrestricted inlet means
    • Patent number 4,048,907
    • Issue date Sep 20, 1977
    • Caterpillar Tractor Co.
    • William K. Engel
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    RADIAL ROTARY PISTON MACHINE
    • Publication number 20230296088
    • Publication date Sep 21, 2023
    • UP-STEEL, S.R.O.
    • Lubos URBAN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Connector plate, hydraulic machine having a connector plate, and hy...
    • Publication number 20180252209
    • Publication date Sep 6, 2018
    • ROBERT BOSCH GmbH
    • Brian Kane
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SPIN PUMP WITH SPUN-EPICYCLIC GEOMETRY
    • Publication number 20180073493
    • Publication date Mar 15, 2018
    • Chart Inc.
    • John Corey
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HYDRAULIC APPARATUS HAVING AN ADDITIONAL THRUST SECTION
    • Publication number 20170022965
    • Publication date Jan 26, 2017
    • POCLAIN HYDRAULICS INDUSTRIE
    • Clement Philippe RECOURA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HIGH PRESSURE PUMP
    • Publication number 20130017108
    • Publication date Jan 17, 2013
    • Franz W. Kellar
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    PUMP
    • Publication number 20120328459
    • Publication date Dec 27, 2012
    • YASA MOTORS POLAND SP. Z O.O.
    • Markus Mueller
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HIGH PRESSURE PUMP
    • Publication number 20100040486
    • Publication date Feb 18, 2010
    • Kinemax Pump Systems LLC
    • Franz W. Kellar
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    Metering and Pumping Devices
    • Publication number 20080121013
    • Publication date May 29, 2008
    • University of Southern California
    • Behrokh Khoshnevis
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    High pressure pump
    • Publication number 20060182640
    • Publication date Aug 17, 2006
    • Slack and Parr Technologies LLC
    • Franz W. Kellar
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Cruciform pump
    • Publication number 20030180166
    • Publication date Sep 25, 2003
    • Gene-Huang Yang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...