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Multi-stage pumps

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Industry

  • CPC
  • F04D17/12
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04DNON-POSITIVE DISPLACEMENT PUMPS F04D17/00Radial-flow pumps

Current Industry

F04D17/12Multi-stage pumps
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Stator blade for a centrifugal compressor
    • Patent number 11,965,527
    • Issue date Apr 23, 2024
    • NUOVO PIGNONE TECHNOLOGIE SRL
    • Marco Giachi
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Compressor rotor structure and method for arranging said rotor stru...
    • Patent number 11,959,485
    • Issue date Apr 16, 2024
    • Siemens Energy Global GmbH & Co. KG
    • Mark J. Kuzdzal
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multi-switch pump assembly
    • Patent number 11,953,018
    • Issue date Apr 9, 2024
    • Cooper-Standard Automotive Inc.
    • David S. Malone
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Process and apparatus for compressing hydrogen gas in a centrifugal...
    • Patent number 11,926,906
    • Issue date Mar 12, 2024
    • Air Products and Chemicals, Inc.
    • Joseph Gerard Wehrman
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Multi-stage compressor with turbine section for fuel cell system
    • Patent number 11,927,193
    • Issue date Mar 12, 2024
    • Garrett Transportation I Inc.
    • Brent Donato
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Compact low noise efficient blower for CPAP devices
    • Patent number 11,892,000
    • Issue date Feb 6, 2024
    • ResMed Motor Technologies Inc.
    • Barton John Kenyon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor rotor structure
    • Patent number 11,885,340
    • Issue date Jan 30, 2024
    • Siemens Energy Global GmbH & Co. KG
    • Martin Reimann
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Centrifugal pump assembly
    • Patent number 11,879,474
    • Issue date Jan 23, 2024
    • Grundfos Holding a/s
    • Martin Bang Kristensen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal supercharger transmission case
    • Patent number 11,879,478
    • Issue date Jan 23, 2024
    • Christopher Scott Spies
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal compressor
    • Patent number 11,873,822
    • Issue date Jan 16, 2024
    • Mitsubishi Heavy Industries Compressor Corporation
    • Akihiro Nakaniwa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor with motor cooling impeller
    • Patent number 11,867,199
    • Issue date Jan 9, 2024
    • Hamilton Sundstrand Corporation
    • Debabrata Pal
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method and apparatus for a submersible multistage labyrinth-screw pump
    • Patent number 11,867,176
    • Issue date Jan 9, 2024
    • Lex Submersible Pumps FZE Company
    • Anton Shakirov
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Interstage capacity control valve with side stream flow distributio...
    • Patent number 11,859,621
    • Issue date Jan 2, 2024
    • TRANE INTERNATIONAL INC.
    • Mark W. Harrison
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multifunctional pump assembly
    • Patent number 11,852,147
    • Issue date Dec 26, 2023
    • Cooper-Standard Automotive Inc.
    • David S. Malone
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Gas bearing management for a compressor
    • Patent number 11,852,150
    • Issue date Dec 26, 2023
    • TRANE INTERNATIONAL INC.
    • Jacob T. Helgerson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Single suction centrifugal blower
    • Patent number 11,852,163
    • Issue date Dec 26, 2023
    • Denso Corporation
    • Sho Kosaka
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Compressor interstage throttle, and method of operating therof
    • Patent number 11,841,026
    • Issue date Dec 12, 2023
    • TRANE INTERNATIONAL INC.
    • Mark W. Harrison
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Corrosion-resistant air preheater capable of slowing down dust deposit
    • Patent number 11,828,300
    • Issue date Nov 28, 2023
    • JINING HUAYUAN THERMAL POWER CO., LTD.
    • Yunling Qi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Geared compressor
    • Patent number 11,821,424
    • Issue date Nov 21, 2023
    • Mitsubishi Heavy Industries Compressor Corporation
    • Hiroyuki Miyata
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary machine with improved shaft
    • Patent number 11,821,433
    • Issue date Nov 21, 2023
    • Nuovo Pignone Tecnologie Srl
    • Giuseppe Iurisci
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor rotor having flow loop through tie bolt
    • Patent number 11,821,435
    • Issue date Nov 21, 2023
    • Siemens Energy Global GmbH & Co. KG
    • Kevin Miny
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Process and apparatus for compressing hydrogen gas in a centrifugal...
    • Patent number 11,773,873
    • Issue date Oct 3, 2023
    • Air Products and Chemicals, Inc.
    • Joseph Gerard Wehrman
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Surge protection for a multistage compressor
    • Patent number 11,768,014
    • Issue date Sep 26, 2023
    • Carrier Corporation
    • Vishnu M. Sishtla
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Guide device for directing gas through a gas pressurizing device
    • Patent number 11,761,457
    • Issue date Sep 19, 2023
    • ATLAS COPCO (WUXI) COMPRESSOR CO., LTD.
    • Rakeshkumar Natubhai Patel
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Radial turbomachine
    • Patent number 11,754,092
    • Issue date Sep 12, 2023
    • Micronel AG
    • Ronny Zwahlen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electrified air system for use with central tire inflation system
    • Patent number 11,745,550
    • Issue date Sep 5, 2023
    • Deere & Company
    • Joseph R. Gonsowski
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Turbomachine inner housing
    • Patent number 11,732,720
    • Issue date Aug 22, 2023
    • Siemens Energy Global GmbH & Co. KG
    • Dieter Nass
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Multi-stage rotor
    • Patent number 11,732,718
    • Issue date Aug 22, 2023
    • Feizal Alli Gaffoor
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Compressor rotor having seal elements
    • Patent number 11,725,665
    • Issue date Aug 15, 2023
    • Siemens Energy Global GmbH & Co. KG
    • Kevin Miny
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Turbo compressor and turbo chiller including the same
    • Patent number 11,698,074
    • Issue date Jul 11, 2023
    • LG Electronics Inc.
    • Cheolmin Kim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Multistage Centrifugal Compressor
    • Publication number 20240151239
    • Publication date May 9, 2024
    • Hitachi Industrial Products, Ltd.
    • Kiyotaka HIRADATE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Manufacture of a Stage Casing in a Hybrid Process
    • Publication number 20240141918
    • Publication date May 2, 2024
    • KSB SE & Co. KGaA
    • Tammuz NOBEL
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GAS BEARING MANAGEMENT FOR A COMPRESSOR
    • Publication number 20240133390
    • Publication date Apr 25, 2024
    • TRANE INTERNATIONAL INC.
    • Jacob T. Helgerson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPACT LOW NOISE EFFICIENT BLOWER FOR CPAP DEVICES
    • Publication number 20240133386
    • Publication date Apr 25, 2024
    • ResMed Motor Technologies Inc.
    • Barton John KENYON
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Multi-Stage Compressor with Internal Interstage Feed
    • Publication number 20240068483
    • Publication date Feb 29, 2024
    • Ronald David Conry
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD FOR EFFICIENT PART LOAD COMPRESSOR OPERATION
    • Publication number 20240060497
    • Publication date Feb 22, 2024
    • NEXT GEN COMPRESSION LLC
    • Shawn P. LAWLOR
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR
    • Publication number 20240026886
    • Publication date Jan 25, 2024
    • DAIKIN INDUSTRIES, LTD.
    • Taiichi NOSE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR FOR CO2 CYCLE WITH AT LEAST TWO CASCADE COMPRESSION STAG...
    • Publication number 20240011493
    • Publication date Jan 11, 2024
    • Nuovo Pignone Tecnologie S.r.l.
    • Ernani Fulvio BELLOBUONO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Centrifugal Compressor, and Method for Manufacturing Same
    • Publication number 20230417255
    • Publication date Dec 28, 2023
    • Hitachi Industrial Products, Ltd.
    • Yuta MOCHIZUKI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CENTRIFUGAL COMPRESSOR
    • Publication number 20230375005
    • Publication date Nov 23, 2023
    • Hitachi Industrial Products, Ltd.
    • Kiyotaka HIRADATE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MULTI-STAGE TURBOMACHINE
    • Publication number 20230340959
    • Publication date Oct 26, 2023
    • Jacques BOIGEY
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MULTI-STAGE ELECTRIC CENTRIFUGAL COMPRESSOR
    • Publication number 20230332607
    • Publication date Oct 19, 2023
    • MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.
    • Naomichi SHIBATA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR ROTOR HAVING SEAL ASSEMBLY WITHIN HIRTH COUPLING
    • Publication number 20230332614
    • Publication date Oct 19, 2023
    • Siemens Energy Global GmbH & Co. KG
    • Martin Reimann
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    MULTISTAGE CENTRIFUGAL COMPRESSOR
    • Publication number 20230323898
    • Publication date Oct 12, 2023
    • ATLAS COPCO AIRPOWER, naamloze vennootschap
    • Bjorn VERRELST
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    TWO STAGE MIXED-FLOW COMPRESSOR
    • Publication number 20230323886
    • Publication date Oct 12, 2023
    • Carrier Corporation
    • Vishnu Sishtla
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR WITH MOTOR COOLING IMPELLER
    • Publication number 20230323896
    • Publication date Oct 12, 2023
    • HAMILTON SUNDSTRAND CORPORATION
    • Debabrata Pal
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MULTI-SWITCH PUMP ASSEMBLY
    • Publication number 20230313809
    • Publication date Oct 5, 2023
    • Cooper Standard Automotive Inc.
    • David S. Malone
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MULTIFUNCTIONAL PUMP ASSEMBLY
    • Publication number 20230313800
    • Publication date Oct 5, 2023
    • Cooper Standard Automotive Inc.
    • David S. Malone
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MULTI-STAGE CENTRIFUGAL COMPRESSOR
    • Publication number 20230304501
    • Publication date Sep 28, 2023
    • ENOGIA
    • Arthur LEROUX
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GEARED COMPRESSOR
    • Publication number 20230272796
    • Publication date Aug 31, 2023
    • MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION
    • Hiroyuki Miyata
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CENTRIFUGAL COMPRESSOR
    • Publication number 20230258190
    • Publication date Aug 17, 2023
    • MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION
    • Akihiro Nakaniwa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSION SYSTEM, CHEMICAL PLANT, AND METHOD OF OPERATING COMPRES...
    • Publication number 20230228274
    • Publication date Jul 20, 2023
    • MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION
    • Yuya Tanaka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD AND SYSTEM FOR CONTROLLING DIFFERENTIAL PRESSURE FOR AN EXTE...
    • Publication number 20230213037
    • Publication date Jul 6, 2023
    • TRANE INTERNATIONAL INC.
    • Jacob T. Helgerson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GAS BEARING MANAGEMENT FOR A COMPRESSOR
    • Publication number 20230213038
    • Publication date Jul 6, 2023
    • TRANE INTERNATIONAL INC.
    • Jacob T. Helgerson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    TURBO COMPRESSOR
    • Publication number 20230193917
    • Publication date Jun 22, 2023
    • LG ELECTRONICS INC.
    • Changgook MOON
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD AND APPARATUS FOR A SUBMERSIBLE MULTISTAGE LABYRINTH-SCREW PUMP
    • Publication number 20230193903
    • Publication date Jun 22, 2023
    • Lex Submersible Pumps FZE Company
    • ANTON Shakirov
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR ROTOR HAVING FLOW LOOP THROUGH TIE BOLT
    • Publication number 20230193920
    • Publication date Jun 22, 2023
    • Kevin Miny
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MULTISTAGE RADIAL COMPRESSOR BAFFLE
    • Publication number 20230184254
    • Publication date Jun 15, 2023
    • Garrett Transportation I Inc.
    • Philippe Arnold
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTOR STRUCTURE FOR A TURBOMACHINE WITH FEATURES TO CONTROL RELATIV...
    • Publication number 20230175520
    • Publication date Jun 8, 2023
    • Siemens Energy Global GmbH & Co. KG
    • Kevin Miny
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    COMPRESSOR ROTOR STRUCTURE AND METHOD FOR ARRANGING SAID ROTOR STRU...
    • Publication number 20230175513
    • Publication date Jun 8, 2023
    • Siemens Energy Global GmbH & Co. KG
    • Mark J. Kuzdzal
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...