TREA

the spring fluid being in direct contact with the pumped fluid

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  • F04B11/0025
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FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04BPOSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS F04B11/00Equalisation of pulses

Current Industry

F04B11/0025the spring fluid being in direct contact with the pumped fluid
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Flow cytometer
    • Patent number 12,174,107
    • Issue date Dec 24, 2024
    • Beckman Coulter, Inc.
    • Yong Qin Chen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Flow cytometer
    • Patent number 12,174,106
    • Issue date Dec 24, 2024
    • Beckman Coulter, Inc.
    • Yong Qin Chen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Mechanically driven modular diaphragm pump
    • Patent number 11,905,939
    • Issue date Feb 20, 2024
    • Graco Minnesota Inc.
    • Bradley H. Hines
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Flow cytometer
    • Patent number 11,703,443
    • Issue date Jul 18, 2023
    • IRIS International, Inc.
    • Yong Qin Chen
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Pulsation damper
    • Patent number 11,661,930
    • Issue date May 30, 2023
    • Aspen Pumps Limited
    • Gary Haffenden
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Mechanically driven modular diaphragm pump
    • Patent number 11,639,713
    • Issue date May 2, 2023
    • Graco Minnesota Inc.
    • Bradley H. Hines
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Flow cytometer
    • Patent number 11,255,772
    • Issue date Feb 22, 2022
    • IRIS International, Inc.
    • Yong Qin Chen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Mechanically driven modular diaphragm pump
    • Patent number 11,002,261
    • Issue date May 11, 2021
    • Graco Minnesota Inc.
    • Bradley J. Hines
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Bootstrap accumulator containing integrated bypass valve
    • Patent number 10,954,966
    • Issue date Mar 23, 2021
    • Raytheon Company
    • Kirk A. Miller
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Axial Piston Machine
    • Patent number 10,465,668
    • Issue date Nov 5, 2019
    • Robert Bosch GmbH
    • Armin Merz
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Device and method for damping pressure fluctuations in the delivery...
    • Patent number 10,422,327
    • Issue date Sep 24, 2019
    • Putzmeister Solid Pumps GmbH
    • Winfried Horwath
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pressure stabilizing mechanism and hydraulic pump equipped therewith
    • Patent number 9,632,515
    • Issue date Apr 25, 2017
    • MS Gregson Inc.
    • Mario Vitali
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Bootstrap accumulator system with telescoping actuator cylinder
    • Patent number 9,127,661
    • Issue date Sep 8, 2015
    • Hamilton Sundstrand Corporation
    • Keith E. Short
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hyperbolic horn for pulsation filter device used with gas compressor
    • Patent number 8,740,590
    • Issue date Jun 3, 2014
    • Southern Gas Association Gas Machinery Research Council
    • James F. Unruh
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Flow pulsatility dampening devices
    • Patent number 8,366,667
    • Issue date Feb 5, 2013
    • Baxter International Inc.
    • William Chan
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Dampener apparatus and method
    • Patent number 8,171,959
    • Issue date May 8, 2012
    • SPX APV Danmark A/S
    • Leif Steen Larsen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pulsation reducing apparatus and inspection apparatus
    • Patent number 7,641,453
    • Issue date Jan 5, 2010
    • Tokyo Electron Limited
    • Masataka Hatta
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Damper device for a piston pump
    • Patent number 7,278,837
    • Issue date Oct 9, 2007
    • Tetra Laval Holdings & Finance S.A.
    • Rolf Malmberg
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Constant output fluidic system
    • Patent number 6,767,188
    • Issue date Jul 27, 2004
    • Becton, Dickinson and Company
    • David R. Vrane
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method of damping surges in a liquid system
    • Patent number 6,742,534
    • Issue date Jun 1, 2004
    • Richard John Hogsden
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Refrigerating agent compressor with improved pressure chamber
    • Patent number 6,401,965
    • Issue date Jun 11, 2002
    • Verdichter OE. GesmbH
    • Rudolf Lang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Piston pump
    • Patent number 6,341,950
    • Issue date Jan 29, 2002
    • Robert Bosch GmbH
    • Wolfgang Schuller
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Airless paint sprayer intake dampener
    • Patent number 6,183,224
    • Issue date Feb 6, 2001
    • Campbell Hausfeld/Scott Fetzer Company
    • Roger Conatser
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Piston pump
    • Patent number 6,093,003
    • Issue date Jul 25, 2000
    • Robert Bosch GmbH
    • Manfred Hauser
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Diaphragm pump
    • Patent number 5,888,056
    • Issue date Mar 30, 1999
    • Seong-Cheol Kim
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Pulsation damper for marine tank pumpout systems
    • Patent number 5,860,799
    • Issue date Jan 19, 1999
    • Sealand Technology, Inc.
    • Mark E. Scheibe
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Shock absorber for liquid conduits
    • Patent number 5,816,291
    • Issue date Oct 6, 1998
    • LJ Oljeledningar AB
    • Leif Johannesson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Airless paint sprayer intake dampener and inlet valve spring
    • Patent number 5,639,219
    • Issue date Jun 17, 1997
    • Campbell Hausfeld/Scott Fetzer Co.
    • Roger Conatser
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Airless paint sprayer outlet check valve
    • Patent number 5,609,300
    • Issue date Mar 11, 1997
    • Campbell Hausfeld/Scott Fetzer Company
    • Roger Conatser
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic actuator for pressure switch of fluidic system
    • Patent number 5,509,787
    • Issue date Apr 23, 1996
    • Osvaldo J. Valdes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    FLOW CYTOMETER
    • Publication number 20240426740
    • Publication date Dec 26, 2024
    • Beckman Coulter, Inc.
    • Yong Qin Chen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MECHANICALLY DRIVEN MODULAR DIAPHRAGM PUMP
    • Publication number 20230220839
    • Publication date Jul 13, 2023
    • Graco Minnesota Inc.
    • Bradley H. Hines
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLOW CYTOMETER
    • Publication number 20230073269
    • Publication date Mar 9, 2023
    • Iris International, Inc.
    • Yong Qin Chen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PULSATION DAMPER
    • Publication number 20230009988
    • Publication date Jan 12, 2023
    • Aspen Pumps Ltd
    • Christopher John Gee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLOW CYTOMETER
    • Publication number 20220113241
    • Publication date Apr 14, 2022
    • Iris International, Inc.
    • Yong Qin Chen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MECHANICALLY DRIVEN MODULAR DIAPHRAGM PUMP
    • Publication number 20210262456
    • Publication date Aug 26, 2021
    • Graco Minnesota Inc.
    • Bradley H. Hines
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MECHANICALLY DRIVEN MODULAR DIAPHRAGM PUMP
    • Publication number 20190154025
    • Publication date May 23, 2019
    • Graco Minnesota Inc.
    • Bradley J. Hines
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PULSE-COUPLED PUMP
    • Publication number 20190112959
    • Publication date Apr 18, 2019
    • Zhejiang FAI Electronics Co., Ltd.
    • Daguang XI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    BELLOWS PUMP APPARATUS
    • Publication number 20170350382
    • Publication date Dec 7, 2017
    • Nippon Pillar Packing Co., Ltd.
    • Atsushi NAKANO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Axial Piston Machine
    • Publication number 20170321668
    • Publication date Nov 9, 2017
    • ROBERT BOSCH GmbH
    • Armin Merz
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HYPERBOLIC HORN FOR PULSATION FILTER DEVICE USED WITH GAS COMPRESSOR
    • Publication number 20140212315
    • Publication date Jul 31, 2014
    • Southern Gas Association Gas Machinery Research Council
    • James F. Unruh
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    BOOTSTRAP ACCUMULATOR SYSTEM WITH TELESCOPING ACTUATOR CYLINDER
    • Publication number 20120097021
    • Publication date Apr 26, 2012
    • Keith E. Short
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLOW PULSATILITY DAMPENING DEVICES
    • Publication number 20110196303
    • Publication date Aug 11, 2011
    • Baxter International Inc.
    • William Chan
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    DAMPENER APPARATUS AND METHOD
    • Publication number 20100154910
    • Publication date Jun 24, 2010
    • Leif Steen Larsen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HYPERBOLIC HORN FOR PULSATION FILTER DEVICE USED WITH GAS COMPRESSOR
    • Publication number 20090155108
    • Publication date Jun 18, 2009
    • SOUTHWEST RESEARCH INSTITUTE
    • James F. Unruh
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Pulsation reducing apparatus and inspection apparatus
    • Publication number 20070031274
    • Publication date Feb 8, 2007
    • TOKYO ELECTRON LIMITED
    • Masataka Hatta
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Pump pulsation dampening attachment and method for dampening pump p...
    • Publication number 20050089428
    • Publication date Apr 28, 2005
    • Ramon M. Navarro
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Damper device for a piston pump
    • Publication number 20040208765
    • Publication date Oct 21, 2004
    • Rolf Malmberg
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Constant output fluidic system
    • Publication number 20040031521
    • Publication date Feb 19, 2004
    • David R. Vrane
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    Method of damping surges in a liquid system
    • Publication number 20030221722
    • Publication date Dec 4, 2003
    • Richard John Hogsden
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...