by adducting or recycling liquid

Industry

  • CPC
  • F04D9/005
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Patents Grantslast 30 patents

  • Information Patent Grant

    Centrifugal pump device

    • Patent number 11,746,795
    • Issue date Sep 5, 2023
    • Grundfos Holding a/s
    • Alessandro Iacoponi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Device for protecting an electric pump against overpressures

    • Patent number 11,560,896
    • Issue date Jan 24, 2023
    • DAB Pumps S.p.A.
    • Francesco Sinico
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Quick startup device for centrifugal pump

    • Patent number 11,555,497
    • Issue date Jan 17, 2023
    • JIANGSU UNIVERSITY
    • Xiaowei Li
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric submersible pump with discharge recycle

    • Patent number 11,353,028
    • Issue date Jun 7, 2022
    • Halliburton Energy Services, Inc.
    • Walter Dinkins
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal pump

    • Patent number 11,067,086
    • Issue date Jul 20, 2021
    • Grundfos Holding a/s
    • Janus Lukas Sierakowski-Larsen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Self-priming pump assembly

    • Patent number 10,634,145
    • Issue date Apr 28, 2020
    • GEA Tuchenhagen GmbH
    • Simon Anderson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal pump assembly

    • Patent number 10,619,640
    • Issue date Apr 14, 2020
    • Grundfos Holding a/s
    • Christian Madsen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multi-stage centrifugal pump unit

    • Patent number 9,879,680
    • Issue date Jan 30, 2018
    • Grundfos Management A/S
    • Steen Mikkelsen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Self-priming centrifugal pump

    • Patent number 9,759,217
    • Issue date Sep 12, 2017
    • Kabushiki Kaisha Yokota Seisakusho
    • Hiroshi Yokota
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Cap for cooperating with a flow control element of a valve for a se...

    • Patent number 9,482,366
    • Issue date Nov 1, 2016
    • DAB Pumps S.p.A.
    • Stefano Tazioli
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Self-priming centrifugal pump with internal series of diffusers and...

    • Patent number 6,837,692
    • Issue date Jan 4, 2005
    • DAB Pumps S.p.A.
    • Davide Martinello
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal submersible pump

    • Patent number 6,361,272
    • Issue date Mar 26, 2002
    • Lonnie Bassett
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Valve for pump with priming circuit

    • Patent number 5,513,959
    • Issue date May 7, 1996
    • KSB S.A.
    • Christian Mabillot
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Supplying self-suction unit

    • Patent number 5,356,274
    • Issue date Oct 18, 1994
    • Mu-Chun Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal suction pump

    • Patent number 5,234,320
    • Issue date Aug 10, 1993
    • Alberto G. Domenge
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal pump with cavitation reducing propeller

    • Patent number 5,102,297
    • Issue date Apr 7, 1992
    • George A. Thompson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Over the shaft fuel pumping system

    • Patent number 5,022,228
    • Issue date Jun 11, 1991
    • Allied-Signal Inc.
    • Jay N. Hoopes
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Over the shaft fuel pumping system

    • Patent number 4,989,411
    • Issue date Feb 5, 1991
    • Allied-Signal Inc.
    • Jay N. Hoopes
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Portable motor pump

    • Patent number 4,934,914
    • Issue date Jun 19, 1990
    • Ebara Corporation
    • Makoto Kobayashi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Side channel self priming fuel pump having reservoir

    • Patent number 4,804,313
    • Issue date Feb 14, 1989
    • Colt Industries Inc.
    • Pius J. Nasvytis
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic pumping system

    • Patent number 4,781,529
    • Issue date Nov 1, 1988
    • Loren J. Rose
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Self-priming pump system

    • Patent number 4,780,050
    • Issue date Oct 25, 1988
    • Sundstrand Corporation
    • Gerard Caine
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method and system for transferring liquid media

    • Patent number 4,147,474
    • Issue date Apr 3, 1979
    • Norsk Hydro A. S.
    • Ivar D. Heimdal
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3820173

    • Patent number 3,820,173
    • Issue date Jun 28, 1974
    • E04 - BUILDING
  • Information Patent Grant

    3726618

    • Patent number 3,726,618
    • Issue date Apr 10, 1973
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3507603

    • Patent number 3,507,603
    • Issue date Apr 21, 1970
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    3481274

    • Patent number 3,481,274
    • Issue date Dec 2, 1969
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3451417

    • Patent number 3,451,417
    • Issue date Jun 24, 1969
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3425436

    • Patent number 3,425,436
    • Issue date Feb 4, 1969
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3370604

    • Patent number 3,370,604
    • Issue date Feb 27, 1968
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Pumping System

    • Publication number 20220290673
    • Publication date Sep 15, 2022
    • SMITH & LOVELESS INC.
    • Robert A. Grove
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    IMPELLER WITH AXIALLY CURVING VANE EXTENSIONS TO PREVENT AIRLOCK

    • Publication number 20160186758
    • Publication date Jun 30, 2016
    • Flow Control LLC
    • Jeffrey D. LOPES
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Priming and Lubricating System and Method for Marine Pump Impellers

    • Publication number 20150285265
    • Publication date Oct 8, 2015
    • Cummins Power Generation IP, Inc.
    • Kurt Butz
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SELF-PRIMING CENTRIFUGAL PUMP

    • Publication number 20140169940
    • Publication date Jun 19, 2014
    • KABUSHIKI KAISHA YOKOTA SEISAKUSHO
    • Hiroshi Yokota
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CAP FOR COOPERATING WITH A FLOW CONTROL ELEMENT OF A VALVE FOR A SE...

    • Publication number 20140133960
    • Publication date May 15, 2014
    • DAB PUMPS S.P.A.
    • STEFANO TAZIOLI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MULTI-STAGE CENTRIFUGAL PUMP UNIT

    • Publication number 20120251308
    • Publication date Oct 4, 2012
    • Grundfos Management a/s
    • Steen MIKKELSEN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Shallow-Well Pump with Interchangeable Nozzle

    • Publication number 20070248469
    • Publication date Oct 25, 2007
    • FRANKLIN ELECTRIC CO., INC.
    • James J. Volk
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Centrifugal pump with facilitated self-priming

    • Publication number 20030108437
    • Publication date Jun 12, 2003
    • Davide Martinello
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...