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

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F04D29/16between pressure and suction sides
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Control of leakage for gas turbine engine compressor blades
    • Patent number 12,228,142
    • Issue date Feb 18, 2025
    • RTX Corporation
    • Luis Manuel Torres
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Seal assembly
    • Patent number 12,228,221
    • Issue date Feb 18, 2025
    • CUMMINS LTD.
    • Robin Daniels
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method and apparatus for an end seal for increasing efficiency of a...
    • Patent number 12,209,585
    • Issue date Jan 28, 2025
    • Lex Submersible Pumps FZE
    • Anton Shakirov
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Submersible centrifual pump having a hydrostatic support including...
    • Patent number 12,209,584
    • Issue date Jan 28, 2025
    • LEX SUMBERSIBLE PUMPS FZE
    • Anton Shakirov
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Step seal for refrigerant compressors
    • Patent number 12,146,501
    • Issue date Nov 19, 2024
    • Danfoss A/S
    • James Wilson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Side-channel machine (compressor, vacuum pump or blower) having an...
    • Patent number 12,078,179
    • Issue date Sep 3, 2024
    • Gardner Denver Deutschland GmbH
    • Rudi Dittmar
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fan
    • Patent number 12,031,544
    • Issue date Jul 9, 2024
    • Mitsubishi Electric Corporation
    • Tomoya Fukui
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal blower
    • Patent number 11,939,983
    • Issue date Mar 26, 2024
    • Accessible Technologies, Inc.
    • Michael A. Carlson
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Nuclear coolant pump seal and methods of sealing
    • Patent number 11,913,465
    • Issue date Feb 27, 2024
    • Candu Energy Inc.
    • Richard Dam
    • G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
  • 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

    Fan motor and manufacturing method of the same
    • Patent number 11,859,639
    • Issue date Jan 2, 2024
    • LG Electronics Inc.
    • Changlae Kim
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Housing for a ventilator and ventilator with a corresponding housing
    • Patent number 11,859,640
    • Issue date Jan 2, 2024
    • ZIEHL-ABEGG SE
    • Frieder Loercher
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gas turbine engine with active clearance control
    • Patent number 11,815,106
    • Issue date Nov 14, 2023
    • Florida Turbine Technologies, Inc.
    • Robert A. Ress
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Radial ventilator
    • Patent number 11,781,591
    • Issue date Oct 10, 2023
    • ebm-papst St. Georgen GmbH & Co. KG
    • Volker Ehlers
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Step seal for refrigerant compressors
    • Patent number 11,692,557
    • Issue date Jul 4, 2023
    • DANFOSS A/S
    • James Wilson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • 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

    Composite fan blades with integral attachment mechanism
    • Patent number 11,644,046
    • Issue date May 9, 2023
    • Aurora Flight Sciences Corporation
    • Daniel Cottrell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Side-channel compressor for a fuel cell system for conveying and/or...
    • Patent number 11,644,044
    • Issue date May 9, 2023
    • Robert Bosch GmbH
    • Ralph Leonard Fung
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal pump having an arrangement for sealing
    • Patent number 11,619,238
    • Issue date Apr 4, 2023
    • KSB SE & Co. KGaA
    • Alexander Boehm
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Automated fan inlet damper closure apparatus
    • Patent number 11,603,848
    • Issue date Mar 14, 2023
    • ACOUSTIFLO, LTD.
    • Christian O. Quinones
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Side-channel machine (compressor, vacuum pump or blower) having an...
    • Patent number 11,536,281
    • Issue date Dec 27, 2022
    • Gardner Denver Deutschland GmbH
    • Rudi Dittmar
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump assembly
    • Patent number 11,512,712
    • Issue date Nov 29, 2022
    • Grundfos Holding a/s
    • Thomas Blad
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Free-tipped axial fan assembly
    • Patent number 11,499,564
    • Issue date Nov 15, 2022
    • Robert Bosch GmbH
    • Robert J. Van Houten
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Pump for conveying a fluid
    • Patent number 11,493,053
    • Issue date Nov 8, 2022
    • SULZER MANAGEMENT AG
    • Christopher David Radcliffe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Seal assembly
    • Patent number 11,486,411
    • Issue date Nov 1, 2022
    • CUMMINS LTD.
    • Matthew J. Purdey
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Impeller-air intake interface for a centrifugal fan, and centrifuga...
    • Patent number 11,460,039
    • Issue date Oct 4, 2022
    • Carrier Corporation
    • Francette Fournier
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal blower assembly and method for assembling the same
    • Patent number 11,460,045
    • Issue date Oct 4, 2022
    • Regal Beloit America, Inc.
    • Sahand Pirouzpanah
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal pump assembly and impeller
    • Patent number 11,408,433
    • Issue date Aug 9, 2022
    • Boyce Barrow
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump casing with integral support flange
    • Patent number 11,365,745
    • Issue date Jun 21, 2022
    • CIRCOR PUMPS NORTH AMERICA, LLC
    • Manfred Britsch
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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...

Patents Applicationslast 30 patents

  • Information Patent Application

    CONTROL OF LEAKAGE FOR GAS TURBINE ENGINE COMPRESSOR BLADES
    • Publication number 20250043799
    • Publication date Feb 6, 2025
    • RTX Corporation
    • Luis Manuel Torres
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    SIDE-CHANNEL MACHINE (COMPRESSOR, VACUUM PUMP OR BLOWER) HAVING AN...
    • Publication number 20240426304
    • Publication date Dec 26, 2024
    • GARDNER DENVER DEUTSCHLAND GmbH
    • Rudi Dittmar
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Charging system of a fuel cell
    • Publication number 20240401597
    • Publication date Dec 5, 2024
    • IHI Charging Systems International GmbH
    • Sasa SLAVIC
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    TURBOMACHINE LABYRINTH SEAL DESIGN FOR OXYGEN RICH PROCESS FLUIDS
    • Publication number 20240344523
    • Publication date Oct 17, 2024
    • L'air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Ge...
    • Edward YAU
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    COMPRESSOR
    • Publication number 20240229815
    • Publication date Jul 11, 2024
    • Dyson Technology Limited
    • Raul CORRALEJO ANTON
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Coolant Pump Having an Improved Gap Seal
    • Publication number 20240102482
    • Publication date Mar 28, 2024
    • NIDEC GPM GmbH
    • Marcel Berner
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    A METHOD FOR CONFIGURING A LEADING EDGE OF A COMPRESSOR STATOR PLAT...
    • Publication number 20240026894
    • Publication date Jan 25, 2024
    • AECC SHANGHAI COMMERCIAL AIRCRAFT ENGINE MANUFACTURING CO., LTD.
    • Chuanjun CAO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FAN
    • Publication number 20230407876
    • Publication date Dec 21, 2023
    • Mitsubishi Electric Corporation
    • Tomoya FUKUI
    • 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

    STEP SEAL FOR REFRIGERANT COMPRESSORS
    • Publication number 20230279865
    • Publication date Sep 7, 2023
    • Danfoss A/S
    • James Wilson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    MODULAR COMPACT PUMP
    • Publication number 20230243354
    • Publication date Aug 3, 2023
    • Vetco Gray Scandinavia AS
    • Erik RAAD
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SIDE-CHANNEL MACHINE (COMPRESSOR, VACUUM PUMP OR BLOWER) HAVING AN...
    • Publication number 20230193907
    • Publication date Jun 22, 2023
    • GARDNER DENVER DEUTSCHLAND GmbH
    • Rudi Dittmar
    • 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

    FAN HAVING DAMPING AND SEALING ELEMENTS BETWEEN VARIOUS HOUSING PARTS
    • Publication number 20230173204
    • Publication date Jun 8, 2023
    • Dragerwerk AG & Co. KGaA
    • René-Christian CASPARY
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    HOUSING FOR A VENTILATOR AND VENTILATOR WITH A CORRESPONDING HOUSING
    • Publication number 20230032483
    • Publication date Feb 2, 2023
    • Ziehl-Abegg SE
    • Frieder LOERCHER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SEPARATING DEVICE AND TURBOMACHINE COMPRISING SEPARATING DEVICE
    • Publication number 20230009371
    • Publication date Jan 12, 2023
    • ROBERT BOSCH GmbH
    • Johannes Walter
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SIDE-CHANNEL MACHINE (COMPRESSOR, VACUUM PUMP OR BLOWER) HAVING AN...
    • Publication number 20220228595
    • Publication date Jul 21, 2022
    • GARDNER DENVER DEUTSCHLAND GmbH
    • Rudi Dittmar
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    STEP SEAL FOR REFRIGERANT COMPRESSORS
    • Publication number 20220213896
    • Publication date Jul 7, 2022
    • Danfoss A/S
    • James Wilson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SEAL ASSEMBLY
    • Publication number 20220186842
    • Publication date Jun 16, 2022
    • Cummins Ltd
    • Robin Daniels
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID DELIVERY SYSTEM HEALTH MONITORING SYSTEMS AND METHODS
    • Publication number 20220074417
    • Publication date Mar 10, 2022
    • Oshkosh Corporation
    • Eric R. Linsmeier
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CENTRIFUGAL BLOWER ASSEMBLY AND METHOD FOR ASSEMBLING THE SAME
    • Publication number 20220056924
    • Publication date Feb 24, 2022
    • Regal Beloit America, Inc.
    • Sahand Pirouzpanah
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SEAL ASSEMBLY
    • Publication number 20220010806
    • Publication date Jan 13, 2022
    • Cummins Ltd
    • Matthew J. Purdey
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    IMPELLER-AIR INTAKE INTERFACE FOR A CENTRIFUGAL FAN, AND CENTRIFUGA...
    • Publication number 20210246905
    • Publication date Aug 12, 2021
    • Carrier Corporation
    • Francette Fournier
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CENTRIFUGAL ROTARY MACHINE
    • Publication number 20210190077
    • Publication date Jun 24, 2021
    • MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION
    • Akihiro Nakaniwa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Centrifugal Multistage Compressor
    • Publication number 20210164485
    • Publication date Jun 3, 2021
    • Kohei NISHIDA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Automated Fan Inlet Damper Closure Apparatus
    • Publication number 20210148368
    • Publication date May 20, 2021
    • Acoustiflo, Ltd.
    • Christian O. Quinones
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AXIAL FAN HOUSING CONFIGURED TO REDIRECT THE RECIRCULATING FLOW OF...
    • Publication number 20210108649
    • Publication date Apr 15, 2021
    • VALEO SYSTEMES THERMIQUES
    • Bruno Demory
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SIDE-CHANNEL MACHINE (COMPRESSOR, VACUUM PUMP OR BLOWER) HAVING AN...
    • Publication number 20210095677
    • Publication date Apr 1, 2021
    • GARDNER DENVER DEUTSCHLAND GmbH
    • Rudi Dittmar
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FREE-TIPPED AXIAL FAN ASSEMBLY
    • Publication number 20210095684
    • Publication date Apr 1, 2021
    • ROBERT BOSCH GmbH
    • Robert J. Van Houten
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    IMPELLER SHROUD WITH SLIDABLE COUPLING FOR CLEARANCE CONTROL IN A C...
    • Publication number 20210062824
    • Publication date Mar 4, 2021
    • Rolls-Royce Corporation
    • Michael Nesteroff
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS