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for sealing or thrust balance

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  • F04D29/2266
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04DNON-POSITIVE DISPLACEMENT PUMPS F04D29/00Details, component parts, or accessories

Current Industry

F04D29/2266for sealing or thrust balance
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    E-assist turbocharger with bleed fluid system connecting compressor...
    • Patent number 11,933,312
    • Issue date Mar 19, 2024
    • Garrett Transportation I Inc.
    • Milan Nejedly
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Aircraft engine fuel pump
    • Patent number 11,920,606
    • Issue date Mar 5, 2024
    • SAFRAN AIRCRAFT ENGINES
    • Petar Dimitrov Tomov
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotor assembly
    • Patent number 11,808,273
    • Issue date Nov 7, 2023
    • ebm-papst St. Georgen GmbH & Co. KG
    • Volker Ehlers
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    High energy density turbomachines
    • Patent number 11,781,556
    • Issue date Oct 10, 2023
    • The Texas A&M University System
    • Abhay R. Patil
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable gap between impeller rotor and static structure
    • Patent number 11,674,406
    • Issue date Jun 13, 2023
    • Pratt & Whitney Canada Corp.
    • Simon Baker-Ostiguy
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Impeller with external blades
    • Patent number 11,598,347
    • Issue date Mar 7, 2023
    • TRANE INTERNATIONAL INC.
    • Joel Gronvall
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump
    • Patent number 11,441,567
    • Issue date Sep 13, 2022
    • HELLA GMBH & CO. KGAA
    • Ingo Geue
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor or turbine with back-disk seal and vent
    • Patent number 11,377,954
    • Issue date Jul 5, 2022
    • Garrett Transportation I Inc.
    • James W. Reyenga
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Waste water pump
    • Patent number 11,359,639
    • Issue date Jun 14, 2022
    • Grundfos Holding a/s
    • Poul Johannes Henning
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Pump and impeller with auxiliary blades on the underside of the imp...
    • Patent number 11,268,517
    • Issue date Mar 8, 2022
    • NIDEC SANKYO CORPORATION
    • Nobuki Kokubo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary parts for a slurry pump
    • Patent number 11,268,533
    • Issue date Mar 8, 2022
    • Weir Minerals Europe Limited
    • Pavol Loderer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Modular water purification system for nuclear power plants
    • Patent number 11,198,630
    • Issue date Dec 14, 2021
    • Dominion Engineering, Inc.
    • David Arguelles
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Wear ring for use in a pump
    • Patent number 11,118,596
    • Issue date Sep 14, 2021
    • Boulden Company, Inc.
    • Brian Boulden
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Impeller
    • Patent number 11,092,161
    • Issue date Aug 17, 2021
    • Jaguar Land Rover Limited
    • Matthew Albrecht
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Thrust bearing system and method for operating the same
    • Patent number 11,085,457
    • Issue date Aug 10, 2021
    • Fluid Equipment Development Company, LLC
    • Eli Oklejas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil pump of vehicle having inner ring
    • Patent number 11,022,134
    • Issue date Jun 1, 2021
    • Hyundai Motor Company
    • Jae-Kyun Doo
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pump systems with variable diameter impeller devices
    • Patent number 10,989,216
    • Issue date Apr 27, 2021
    • Carmine Rende
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump
    • Patent number 10,920,785
    • Issue date Feb 16, 2021
    • Aisin Seiki Kabushiki Kaisha
    • Shuji Hattori
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Cooling unit
    • Patent number 10,876,533
    • Issue date Dec 29, 2020
    • COOLTERA LIMITED
    • Mark Steven Luxford
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Electric centrifugal pump with containment shell grooves
    • Patent number 10,823,188
    • Issue date Nov 3, 2020
    • Buhler Motor GmbH
    • Jürgen Ehrsam
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal turbo machinery
    • Patent number 10,801,520
    • Issue date Oct 13, 2020
    • Mitsubishi Heavy Industries, Ltd.
    • Takeshi Sano
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Thrust bearing system and method for operating the same
    • Patent number 10,801,512
    • Issue date Oct 13, 2020
    • Vector Technologies LLC
    • Eli Oklejas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary blood pump
    • Patent number 10,758,654
    • Issue date Sep 1, 2020
    • TC1 LLC
    • Richard K. Wampler
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Methods and devices for reducing circumferential pressure imbalance...
    • Patent number 10,746,196
    • Issue date Aug 18, 2020
    • Technology Commercialization Corp.
    • Michael W. Kenworthy
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Apertures spaced around impeller bottom shroud of centrifugal pump
    • Patent number 10,731,651
    • Issue date Aug 4, 2020
    • Baker Hughes, a GE company, LLC
    • Abhay Patil
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Wear ring for use in a pump
    • Patent number 10,724,532
    • Issue date Jul 28, 2020
    • Boulden Company, Inc.
    • Brian Boulden
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multi-stage pump with enhanced thrust balancing features
    • Patent number 10,690,139
    • Issue date Jun 23, 2020
    • ITT Manufacturing Enterprises LLC.
    • Paul Walter Behnke
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Impeller assembly for centrifugal pumps
    • Patent number 10,670,035
    • Issue date Jun 2, 2020
    • Ebara Corporation
    • Renato Groppo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Impeller assembly for centrifugal pumps
    • Patent number 10,626,880
    • Issue date Apr 21, 2020
    • Ebara Corporation
    • Masashi Obuchi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump for conveying a highly viscous fluid
    • Patent number 10,550,850
    • Issue date Feb 4, 2020
    • SULZER MANAGEMENT AG
    • Arnaldo Rodrigues
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    LIQUID RING ROTOR
    • Publication number 20240229816
    • Publication date Jul 11, 2024
    • Richard Paul Kelsall
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LIQUID RING ROTOR
    • Publication number 20240133394
    • Publication date Apr 25, 2024
    • Richard Paul Kelsall
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CRUDE OIL EXTRACTION PUMP
    • Publication number 20240125217
    • Publication date Apr 18, 2024
    • Mitsubishi Heavy Industries, Ltd.
    • Shuhei Sasaki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CENTRIUGAL PUMP
    • Publication number 20230332611
    • Publication date Oct 19, 2023
    • BATTLEMAX (PTY) LTD
    • Thomas Muller
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    IMPROVED AIRCRAFT ENGINE FUEL PUMP
    • Publication number 20230279867
    • Publication date Sep 7, 2023
    • SAFRAN AIRCRAFT ENGINES
    • Petar Dimitrov TOMOV
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotary Parts For A Slurry Pump
    • Publication number 20220268293
    • Publication date Aug 25, 2022
    • Weir Minerals Australia Ltd.
    • Pavol Loderer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP IMPELLER AND RADIAL PUMP COMPRISING THE IMPELLER
    • Publication number 20220170477
    • Publication date Jun 2, 2022
    • NIDEC GPM GmbH
    • Constantin Richlich
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTOR ASSEMBLY
    • Publication number 20220003237
    • Publication date Jan 6, 2022
    • EBM-PAPST ST. GEORGEN GMBH & CO. KG
    • Volker EHLERS
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HIGH ENERGY DENSITY TURBOMACHINES
    • Publication number 20210324869
    • Publication date Oct 21, 2021
    • THE TEXAS A&M UNIVERSITY SYSTEM
    • Abhay R. Patil
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    MODULAR WATER PURIFICATION SYSTEM FOR NUCLEAR POWER PLANTS
    • Publication number 20210122653
    • Publication date Apr 29, 2021
    • Dominion Engineering, Inc.
    • David ARGUELLES
    • G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
  • Information Patent Application

    IMPELLER WITH EXTERNAL BLADES
    • Publication number 20200408220
    • Publication date Dec 31, 2020
    • TRANE INTERNATIONAL INC.
    • Joel Gronvall
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Rotary Blood Pump
    • Publication number 20200345909
    • Publication date Nov 5, 2020
    • TC1 LLC
    • Richard K. Wampler
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    ROTORS FOR USE IN CAUSTIC ENVIRONMENTS
    • Publication number 20200276403
    • Publication date Sep 3, 2020
    • Vapotherm, Inc.
    • Jonathan Kohanski
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    PUMP SYSTEMS WITH VARIABLE DIAMETER IMPELLER DEVICES
    • Publication number 20200109717
    • Publication date Apr 9, 2020
    • Carmine Rende
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Thrust Bearing System And Method For Operating The Same
    • Publication number 20200011340
    • Publication date Jan 9, 2020
    • Vector Technologies LLC
    • Eli OKLEJAS
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    OIL PUMP OF VEHICLE HAVING INNER RING
    • Publication number 20190353178
    • Publication date Nov 21, 2019
    • Hyundai Motor Company
    • Jae-Kyun DOO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP
    • Publication number 20190331125
    • Publication date Oct 31, 2019
    • AISIN SEIKI KABUSHIKI KAISHA
    • Shuji Hattori
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP SYSTEMS WITH VARIABLE DIAMETER IMPELLER DEVICES
    • Publication number 20190226490
    • Publication date Jul 25, 2019
    • Carmine Rende
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotary Blood Pump
    • Publication number 20190209754
    • Publication date Jul 11, 2019
    • TC1 LLC
    • Richard K. Wampler
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Wear Ring for Use in a Pump
    • Publication number 20190128275
    • Publication date May 2, 2019
    • Boulden Company, Inc.
    • Brian Boulden
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CENTRIFUGAL PUMP WITH BALANCING DEVICE AND A METHOD OF BALANCING AX...
    • Publication number 20190063450
    • Publication date Feb 28, 2019
    • SULZER MANAGEMENT AG
    • Matti KOIVIKKO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COOLING UNIT
    • Publication number 20190055946
    • Publication date Feb 21, 2019
    • Cooltera Limited
    • Mark Steven Luxford
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Wear Ring for Use in a Pump
    • Publication number 20180306200
    • Publication date Oct 25, 2018
    • BOULDEN COMPANY, INC.
    • Brian Boulden
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PUMP FOR CIRCULATING WATER
    • Publication number 20180266430
    • Publication date Sep 20, 2018
    • New Motech Co., Ltd.
    • Jeong Cheol JANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SEALED ROTOR ASSEMBLY FOR A ROTARY FLUID DEVICE
    • Publication number 20180231015
    • Publication date Aug 16, 2018
    • PEOPLEFLO MANUFACTURING, INC.
    • William R. Blankemeier
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY PARTS FOR A SLURRY PUMP
    • Publication number 20180172017
    • Publication date Jun 21, 2018
    • Weir Minerals Australia Ltd.
    • Pavol Loderer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Impeller for a Centrifugal Pump, and Centrifugal Pump
    • Publication number 20180163741
    • Publication date Jun 14, 2018
    • GEA TUCHENHAGEN GMBH
    • Markus Pawlik
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    IMPELLER ASSEMBLY FOR CENTRIFUGAL PUMPS
    • Publication number 20180128281
    • Publication date May 10, 2018
    • EBARA CORPORATION
    • Renato GROPPO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    IMPELLER FOR CENTRIFUGAL PUMPS
    • Publication number 20180045213
    • Publication date Feb 15, 2018
    • EBARA CORPORATION
    • Renato GROPPO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    IMPELLER ASSEMBLY FOR CENTRIFUGAL PUMPS
    • Publication number 20170260992
    • Publication date Sep 14, 2017
    • EBARA CORPORATION
    • Masashi OBUCHI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...