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with means for changing the flow-path through the stages

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Industry

  • CPC
  • F04D1/10
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04DNON-POSITIVE DISPLACEMENT PUMPS F04D1/00Radial-flow pumps

Current Industry

F04D1/10with means for changing the flow-path through the stages
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Fluid pump systems
    • Patent number 12,071,898
    • Issue date Aug 27, 2024
    • Hamilton Sundstrand Corporation
    • Adrian L. Stoicescu
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Multistage centrifugal pump
    • Patent number 11,788,533
    • Issue date Oct 17, 2023
    • SULZER MANAGEMENT AG
    • Marc Widmer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Intermediate bearing in electrical submersible pump
    • Patent number 11,415,138
    • Issue date Aug 16, 2022
    • BAKER HUGHES OILFIELD OPERATIONS, LLC
    • Zheng Ye
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fan flow directing features, systems and methods
    • Patent number 11,339,793
    • Issue date May 24, 2022
    • Apple Inc.
    • Anthony J. Aiello
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Dual stage grinder pump
    • Patent number 10,816,008
    • Issue date Oct 27, 2020
    • Robert Keener
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal pump with coalescing effect, design method and use thereof
    • Patent number 10,578,110
    • Issue date Mar 3, 2020
    • Typhonix AS
    • Trygve Husveg
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multi-stage, self-priming centrifugal pump assembly
    • Patent number 10,337,516
    • Issue date Jul 2, 2019
    • Grundfos Holding a/s
    • Bjarne Vinther Toft
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump and method for changing the pumping capacity of a pump
    • Patent number 10,280,924
    • Issue date May 7, 2019
    • SULZER MANAGEMENT AG
    • Nils Hökby
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fuel pumping unit
    • Patent number 10,138,816
    • Issue date Nov 27, 2018
    • Rolls-Royce PLC
    • Martin Yates
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Back-to-back centrifugal pump
    • Patent number 9,803,644
    • Issue date Oct 31, 2017
    • Nuovo Pignone SRL
    • Lorenzo Bergamini
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Impeller vane with leading edge enhancement
    • Patent number 9,133,849
    • Issue date Sep 15, 2015
    • Baker Hughes Incorporated
    • Ketankumar K. Sheth
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Wall of turbo machine and turbo machine
    • Patent number 9,051,840
    • Issue date Jun 9, 2015
    • IHI Corporation
    • Katsunori Mitsuhashi
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Centrifugal pump for a gas turbine engine
    • Patent number 6,361,270
    • Issue date Mar 26, 2002
    • Coltec Industries, Inc.
    • George L. Bennett
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump
    • Patent number 6,167,724
    • Issue date Jan 2, 2001
    • The BOC Group plc
    • Josef Pozivil
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Recirculating pump for electrical submersible pump system
    • Patent number 5,845,709
    • Issue date Dec 8, 1998
    • Baker Hughes Incorporated
    • John J. Mack
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pump with separate pumping stages for pumping a plurality of liquids
    • Patent number 5,785,504
    • Issue date Jul 28, 1998
    • Les Entreprises Denis Darveau Inc.
    • Denis Cote
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    High-pressure high-temperature coal slurry centrifugal pump and let...
    • Patent number 4,893,986
    • Issue date Jan 16, 1990
    • Rockwell International Corporation
    • Fritz C. Catterfeld
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    One-piece pumping device with ambivalent operation
    • Patent number 4,229,142
    • Issue date Oct 21, 1980
    • Le Materiel Telephonique
    • Jean-Claude Le Dall
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Sealing system for use in composite multi-stage pump
    • Patent number 4,121,839
    • Issue date Oct 24, 1978
    • Mitsui Toatsu Chemicals, Inc.
    • Shiro Takano
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3811797
    • Patent number 3,811,797
    • Issue date May 21, 1974
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3794456
    • Patent number 3,794,456
    • Issue date Feb 26, 1974
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    3678689
    • Patent number 3,678,689
    • Issue date Jul 25, 1972
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    3430921
    • Patent number 3,430,921
    • Issue date Mar 4, 1969
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    3110264
    • Patent number 3,110,264
    • Issue date Nov 12, 1963
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2976810
    • Patent number 2,976,810
    • Issue date Mar 28, 1961
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2957426
    • Patent number 2,957,426
    • Issue date Oct 25, 1960
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2900918
    • Patent number 2,900,918
    • Issue date Aug 25, 1959
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2780998
    • Patent number 2,780,998
    • Issue date Feb 12, 1957
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2773454
    • Patent number 2,773,454
    • Issue date Dec 11, 1956
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2750893
    • Patent number 2,750,893
    • Issue date Jun 19, 1956
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    MULTISTAGE CENTRIFUGAL PUMP
    • Publication number 20230011820
    • Publication date Jan 12, 2023
    • SULZER MANAGEMENT AG
    • Marc WIDMER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MULTISTAGE CENTRIFUGAL PUMP FOR CONVEYING A FLUID
    • Publication number 20220065255
    • Publication date Mar 3, 2022
    • SULZER MANAGEMENT AG
    • Bruno MAROCCIA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Intermediate Bearing In Electrical Submersible Pump
    • Publication number 20210048029
    • Publication date Feb 18, 2021
    • Baker Hughes Oilfield Operations LLC
    • Zheng Ye
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FAN FLOW DIRECTING FEATURES, SYSTEMS AND METHODS
    • Publication number 20200141418
    • Publication date May 7, 2020
    • Apple Inc.
    • Anthony J. Aiello
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP AND METHOD FOR CHANGING THE PUMPING CAPACITY OF A PUMP
    • Publication number 20170089343
    • Publication date Mar 30, 2017
    • SULZER MANAGEMENT AG
    • Nils Hökby
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MULTI-STAGE, SELF-PRIMING CENTRIFUGAL PUMP ASSEMBLY
    • Publication number 20160084253
    • Publication date Mar 24, 2016
    • GRUNDFOS HOLDING A/S
    • Bjarne VINTHER TOFT
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CENTRIFUGAL PUMP WITH COALESCING EFFECT, DESIGN METHOD AND USE THEREOF
    • Publication number 20150337842
    • Publication date Nov 26, 2015
    • Typhonix AS
    • Trygve HUSVEG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Hydraulic Turbines with Exit Flow Direction Opposite to its Inlet F...
    • Publication number 20150275913
    • Publication date Oct 1, 2015
    • Ahmed El Jamil Ahmed Mohamed
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SUPERSONIC COMPRESSOR WITH SEPARATOR
    • Publication number 20150104290
    • Publication date Apr 16, 2015
    • Dresser-Rand Company
    • Bradford W. Dickson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    IMPELLER VANE WITH LEADING EDGE ENHANCEMENT
    • Publication number 20130115047
    • Publication date May 9, 2013
    • BAKER HUGHES INCORPORATED
    • Ketankumar K. Sheth
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    WALL OF TURBO MACHINE AND TURBO MACHINE
    • Publication number 20100172749
    • Publication date Jul 8, 2010
    • Katsunori Mitsuhashi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES