TREA

Preventing foaming, churning or cavitation

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  • CPC
  • F15B21/047
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F15Hydraulics devices F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL FLUID-PRESSURE ACTUATORS F15B21/00Common features Fluid-pressure systems, or details thereof, not covered by any preceding group

Current Industry

F15B21/047Preventing foaming, churning or cavitation
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Valve module with active valve oiling
    • Patent number 12,366,291
    • Issue date Jul 22, 2025
    • Schaeffler Technologies AG & Co. KG
    • Matthias Grenzhäuser
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic oil diffuser
    • Patent number 12,117,022
    • Issue date Oct 15, 2024
    • Caterpillar Inc.
    • Michael A Zolvinski
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Vortex reservoir
    • Patent number 11,559,755
    • Issue date Jan 24, 2023
    • Eric Amato
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Valve with anti-cavitation features
    • Patent number 11,480,200
    • Issue date Oct 25, 2022
    • Parker-Hannifin Corporation
    • Brian Slattery
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Tank for a hydraulic unit
    • Patent number 11,396,893
    • Issue date Jul 26, 2022
    • Robert Bosch GmbH
    • Alexander Huber
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Prevention of cavitation
    • Patent number 11,235,846
    • Issue date Feb 1, 2022
    • Newsouth Innovations Pty Limited
    • Richard Mark Pashley
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Cavitation avoidance system
    • Patent number 11,028,845
    • Issue date Jun 8, 2021
    • Halliburton Energy Services, Inc.
    • Joseph A. Beisel
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Aircraft hydraulic system
    • Patent number 11,021,237
    • Issue date Jun 1, 2021
    • Airbus Operations Limited
    • Alessio Tarantino
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Vortex reservoir
    • Patent number 10,881,987
    • Issue date Jan 5, 2021
    • Eric Amato
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Work machine
    • Patent number 10,801,532
    • Issue date Oct 13, 2020
    • Hitachi Construction Machinery Co., Ltd.
    • Yuichi Ogawa
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic circuit for travel motor
    • Patent number 10,801,523
    • Issue date Oct 13, 2020
    • Clark Equipment Company
    • Patrick P. Lacher
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic fluid circuit with fixed minimum back pressure
    • Patent number 10,619,652
    • Issue date Apr 14, 2020
    • Caterpillar Inc.
    • Jeremy Todd Peterson
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic fluid tank arrangement
    • Patent number 10,578,136
    • Issue date Mar 3, 2020
    • Volvo Construction Equipment AB
    • Bo Vigholm
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Fluid container in particular hydraulic tank for a motor pump unit
    • Patent number 10,308,279
    • Issue date Jun 4, 2019
    • TRW Automotive GmbH
    • Michael Moczala
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Compositions and methods for generating cavitation resistance
    • Patent number 10,233,843
    • Issue date Mar 19, 2019
    • Purdue Research Foundation
    • Rusi Taleyarkhan
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Pressure-limiting valve
    • Patent number 10,228,709
    • Issue date Mar 12, 2019
    • Hydac Fluidtechnik GmbH
    • Peter Bruck
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Regenerative reservoir
    • Patent number 10,077,788
    • Issue date Sep 18, 2018
    • Helgesen Industries, Inc.
    • Shaoping Xiong
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Void protection system
    • Patent number 9,644,649
    • Issue date May 9, 2017
    • Caterpillar Global Mining LLC
    • John Ferraz
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Reducing dig force in hydraulic implements
    • Patent number 9,394,929
    • Issue date Jul 19, 2016
    • Caterpillar Inc.
    • Keith Edward Lawrence
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic driving apparatus for working machine
    • Patent number 9,316,236
    • Issue date Apr 19, 2016
    • Kobelco Cranes Co., Ltd.
    • Hiroo Kondo
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Universal orientation electro-hydraulic actuator
    • Patent number 9,273,703
    • Issue date Mar 1, 2016
    • Parker-Hannifin Corporation
    • Timothy B. Sweeney
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Void protection system
    • Patent number 9,206,583
    • Issue date Dec 8, 2015
    • Caterpillar Global Mining LLC
    • Matthew J. Beschorner
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic circuit for construction machine
    • Patent number 9,175,698
    • Issue date Nov 3, 2015
    • Kobelco Construction Machinery Co., Ltd.
    • Shota Oguma
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Return diffuser for hydraulic tank
    • Patent number 8,991,422
    • Issue date Mar 31, 2015
    • Caterpillar Inc.
    • Bruno Lawrence Risatti
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Oil tank
    • Patent number 8,739,822
    • Issue date Jun 3, 2014
    • U-Tec Co., Ltd.
    • Yukio Uenishi
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Controlling device for hydraulic consumers
    • Patent number 8,443,827
    • Issue date May 21, 2013
    • HYDAC FILTERTECHNIK GMBH
    • Winfried Rüb
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic cylinder
    • Patent number 8,276,919
    • Issue date Oct 2, 2012
    • NOK Corporation
    • Yoshiyuki Abe
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic braking circuit
    • Patent number 8,215,723
    • Issue date Jul 10, 2012
    • Robert Bosch GmbH
    • Jean Fourcade
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Power steering pump flow control
    • Patent number 7,993,111
    • Issue date Aug 9, 2011
    • Ford Global Technologies, LLC
    • Samir Joshi
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Reservoir assembly
    • Patent number 7,779,862
    • Issue date Aug 24, 2010
    • GM Global Technology Operations, Inc.
    • Rod M. Sanderson
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

  • Information Patent Application

    DEVICE AND METHOD FOR CAVITATION DETECTION OF PURE WATER HYDRAULIC...
    • Publication number 20250216281
    • Publication date Jul 3, 2025
    • Shandong University of Science and Technology
    • Qiang ZHANG
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Dynamic Logic Element For Controlling Pressure Limit In Hydraulic S...
    • Publication number 20230022750
    • Publication date Jan 26, 2023
    • Parthiban Varadharajan
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    HYDRAULIC OIL DIFFUSER
    • Publication number 20220325727
    • Publication date Oct 13, 2022
    • Caterpillar Inc.
    • Michael A Zolvinski
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Valve with Anti-Cavitation Features
    • Publication number 20210262494
    • Publication date Aug 26, 2021
    • Parker-Hannifin Corporation
    • Brian Slattery
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    VORTEX RESERVOIR
    • Publication number 20210170307
    • Publication date Jun 10, 2021
    • Eric Amato
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Electrohydraulic System with a Hydraulic Spindle and at least One C...
    • Publication number 20200240445
    • Publication date Jul 30, 2020
    • ROBERT BOSCH GmbH
    • Stefan Schober
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Tank for a Hydraulic Unit
    • Publication number 20200124059
    • Publication date Apr 23, 2020
    • ROBERT BOSCH GmbH
    • Alexander Huber
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    PREVENTION OF CAVITATION
    • Publication number 20200079483
    • Publication date Mar 12, 2020
    • Richard Mark Pashley
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Application

    VORTEX RESERVOIR
    • Publication number 20200009477
    • Publication date Jan 9, 2020
    • Eric Amato
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    HYDRAULIC CIRCUIT FOR TRAVEL MOTOR
    • Publication number 20190136875
    • Publication date May 9, 2019
    • CLARK EQUIPMENT COMPANY
    • Patrick P. Lacher
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    VOID PROTECTION SYSTEM
    • Publication number 20150260205
    • Publication date Sep 17, 2015
    • Caterpillar Global Mining LLC
    • John Ferraz
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Device And Method In Respect Of A Rock Drilling Machine And Rock Dr...
    • Publication number 20150122117
    • Publication date May 7, 2015
    • ATLAS COPCO ROCK DRILLS AB
    • Per Jonsson
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    VOID PROTECTION SYSTEM
    • Publication number 20140308106
    • Publication date Oct 16, 2014
    • Caterpillar Global Mining LLC
    • Matthew J. Beschorner
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC ANTI-CAVITATION SYSTEM
    • Publication number 20140075929
    • Publication date Mar 20, 2014
    • Caterpillar Global Mining LLC
    • John Luvaas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    RETURN DIFFUSER FOR HYDRAULIC TANK
    • Publication number 20140014215
    • Publication date Jan 16, 2014
    • Caterpillar, Inc.
    • Bruno Lawrence Risatti
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    HYDRAULIC CIRCUIT FOR CONSTRUCTION MACHINE
    • Publication number 20130167522
    • Publication date Jul 4, 2013
    • KOBELCO CONSTRUCTION MACHINERY CO., LTD.
    • SHOTA OGUMA
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    HYDRAULIC DRIVING APPARATUS FOR WORKING MACHINE
    • Publication number 20130152575
    • Publication date Jun 20, 2013
    • Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    • Hiroo Kondo
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    PUMP SUCTION CHARGING SYSTEM
    • Publication number 20130036728
    • Publication date Feb 14, 2013
    • CLARK EQUIPMENT COMPANY
    • Gaetan Billaud
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    OIL TANK
    • Publication number 20120305114
    • Publication date Dec 6, 2012
    • U-TEC CO., LTD.
    • Yukio Uenishi
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    UNIVERSAL ORIENTATION ELECTRO-HYDRAULIC ACTUATOR
    • Publication number 20120067035
    • Publication date Mar 22, 2012
    • Parker-Hannifin Corporation
    • Timothy B. Sweeney
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    HYDRAULIC CYLINDER
    • Publication number 20100308542
    • Publication date Dec 9, 2010
    • NOK Corporation
    • Yoshiyuki Abe
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    CONTROLLING DEVICE FOR HYDRAULIC CONSUMERS
    • Publication number 20100065135
    • Publication date Mar 18, 2010
    • Winfried Rub
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    HYDRAULIC VALVE ASSEMBLY
    • Publication number 20090217983
    • Publication date Sep 3, 2009
    • ROBERT BOSCH GmbH
    • Wolfgang Kauss
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    VARIABLE VOLUME RESERVOIR
    • Publication number 20090191068
    • Publication date Jul 30, 2009
    • CLARK EQUIPMENT COMPANY
    • Joseph A. St. Aubin
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Power Steering Pump Flow Control
    • Publication number 20090175734
    • Publication date Jul 9, 2009
    • Samir Joshi
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Anti-Cavitation Manifold for Drive Coupled, Dual Motor Reversible H...
    • Publication number 20080178587
    • Publication date Jul 31, 2008
    • Harry J Last
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Freely rotatable closed grapple head and machine using same
    • Publication number 20080166212
    • Publication date Jul 10, 2008
    • Larry D. Hested
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    Combined Relief and Positive Surge Protection Device For Operating...
    • Publication number 20080110167
    • Publication date May 15, 2008
    • Voith Turbo GMBH & Co. KG
    • Dieter Laukemann
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    HYDRAULIC BRAKING CIRCUIT
    • Publication number 20080093920
    • Publication date Apr 24, 2008
    • ROBERT BOSCH GmbH
    • Jean Fourcade
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Double-acting valve unit
    • Publication number 20070169822
    • Publication date Jul 26, 2007
    • Deere & Company, a Delaware corporation
    • Phillip S. Roe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...