especially adapted for liquid pumps

Industry

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  • F04D29/106
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Patents Grantslast 30 patents

  • Information Patent Grant

    Delivery device for delivering a liquid

    • Patent number 12,146,500
    • Issue date Nov 19, 2024
    • Mahle International GmbH
    • Martin Gross
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Molten metal pump

    • Patent number 12,129,871
    • Issue date Oct 29, 2024
    • Pyrotek, Inc.
    • Andrew Horsfall
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Integrated pressurized pump shaft seal assembly and method of use t...

    • Patent number 12,071,955
    • Issue date Aug 27, 2024
    • Dajustco IP Holdings Inc.
    • Peter Francis Van-De-Velde
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric submersible pump systems

    • Patent number 12,018,553
    • Issue date Jun 25, 2024
    • Schlumberger Technology Corporation
    • Arthur Ignatius Watson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric coolant pump with expansion compensating seal

    • Patent number 11,988,218
    • Issue date May 21, 2024
    • MULTI PARTS SUPPLY USA, INC.
    • Brandon Christopher Kruizenga
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump for delivering a fluid and method of manufacturing a pump

    • Patent number 11,944,805
    • Issue date Apr 2, 2024
    • Ingo Stotz
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Tandem seal pump

    • Patent number 11,788,542
    • Issue date Oct 17, 2023
    • Banjo Corporation
    • Daniel Truax
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Stuffing box for vertical pumps

    • Patent number 11,708,839
    • Issue date Jul 25, 2023
    • Saudi Arabian Oil Company
    • Mohammad Qahtani
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pump gland with rotary dynamic seal

    • Patent number 11,703,063
    • Issue date Jul 18, 2023
    • Viking Pump, Inc.
    • Scott Meyer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid sealing member and fluid pump and motor having fluid sealing...

    • Patent number 11,698,079
    • Issue date Jul 11, 2023
    • LURACO, INC.
    • Kevin Le
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pressure seal assembly

    • Patent number 11,686,218
    • Issue date Jun 27, 2023
    • Pratt & Whitney Canada Corp.
    • Stuart Hodgson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    High-lift shielded permanent magnet multistage pump and control method

    • Patent number 11,614,090
    • Issue date Mar 28, 2023
    • Zhejiang Zheshui Industry and Trade Co., Ltd.
    • Wenmin Zhang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Motor drive shaft spring clutch in electrical submersible pump

    • Patent number 11,608,721
    • Issue date Mar 21, 2023
    • Baker Hughes Oilfield Operations LLC
    • Randal Perisho
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Seal structure of drive device

    • Patent number 11,585,352
    • Issue date Feb 21, 2023
    • Toyota Jidosha Kabushiki Kaisha
    • Satoshi Tominaga
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Submersible pump with barrier fluid isolation of motor lubricating...

    • Patent number 11,499,558
    • Issue date Nov 15, 2022
    • Flowserve Management Company
    • John L. Brown
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Integrated pressurized pump shaft seal assembly and method of use t...

    • Patent number 11,480,188
    • Issue date Oct 25, 2022
    • Dajustco IP Holdings Inc.
    • Peter Francis Van-De-Velde
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal compressor

    • Patent number 11,448,234
    • Issue date Sep 20, 2022
    • Kabushiki Kaisha Toyota Jidoshokki
    • Yohei Takase
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pumps with a waterproof structure

    • Patent number 11,448,228
    • Issue date Sep 20, 2022
    • Bestway Inflatables & Material Corp.
    • Shuiyong Huang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vertical pump structure

    • Patent number 11,415,145
    • Issue date Aug 16, 2022
    • WALRUS PUMP CO., LTD.
    • Shou Hsiung Huang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Dual cutter assembly and submersible shredder pump having a dual cu...

    • Patent number 11,396,023
    • Issue date Jul 26, 2022
    • Alfredo A. Ciotola
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Multistage centrifugal pump

    • Patent number 11,378,097
    • Issue date Jul 5, 2022
    • Grundfos Holding a/s
    • Erik Bundesen Svarre
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Permanent magnet direct-drive slurry pump based on gas film drag re...

    • Patent number 11,371,522
    • Issue date Jun 28, 2022
    • China University of Mining and Technology
    • Fangwei Xie
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Mechanical seal protector for ESP seal sections

    • Patent number 11,365,809
    • Issue date Jun 21, 2022
    • Baker Hughes ESP, Inc.
    • Charles Collins
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Coolant pump having an optimized bearing assembly and improved heat...

    • Patent number 11,306,723
    • Issue date Apr 19, 2022
    • NIDEC GPM GmbH
    • Franz Pawellek
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Shaft seal

    • Patent number 11,274,675
    • Issue date Mar 15, 2022
    • Plasticair Inc.
    • Paul Sixsmith
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Pump assembly having an impeller, a motor, and a shaft, with the sh...

    • Patent number 11,143,190
    • Issue date Oct 12, 2021
    • Grundfos Holding a/s
    • Gert Friis Eriksen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic ram used for pump packing

    • Patent number 11,131,317
    • Issue date Sep 28, 2021
    • Ned T Foxglove
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Coolant pump with application-optimised design

    • Patent number 11,125,244
    • Issue date Sep 21, 2021
    • NIDEC GPM GmbH
    • Franz Pawellek
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • 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

    Dual volute coolant pump

    • Patent number 11,105,334
    • Issue date Aug 31, 2021
    • Ford Global Technologies, LLC
    • Justin Craft
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    BREATHER TUBE FOR LABYRINTH SEAL CHAMBER

    • Publication number 20240401602
    • Publication date Dec 5, 2024
    • Saudi Arabian Oil Company
    • Christopher Wrighton
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    IMPELLER AND PUMP

    • Publication number 20240401603
    • Publication date Dec 5, 2024
    • EBARA CORPORATION
    • Junya KAWABATA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC SUBMERSIBLE PUMP SYSTEMS

    • Publication number 20240301775
    • Publication date Sep 12, 2024
    • SCHLUMBERGER TECHNOLOGY CORPORATION
    • Arthur Ignatius Watson
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    ELECTRIC COOLANT PUMP WITH EXPANSION COMPENSATING SEAL

    • Publication number 20240263637
    • Publication date Aug 8, 2024
    • Muti Parts Supply USA, Inc.
    • Brandon C. Kruizenga
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SACRIFICIAL ANODE ASSEMBLY FOR A SEAL SECTION OF AN ELECTRIC SUBMER...

    • Publication number 20240247660
    • Publication date Jul 25, 2024
    • Halliburton Energy Services, Inc.
    • Steven Pyron
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Rotary Machine And Primary Motor-Pump Assembly Provided With This R...

    • Publication number 20240229813
    • Publication date Jul 11, 2024
    • ELECTRICITE DE FRANCE
    • Julien Freychet
    • G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
  • Information Patent Application

    OIL CIRCUIT DESIGN, OIL SUPPLY METHOD AND DOUBLE CIRCUIT OIL PUMP F...

    • Publication number 20240218971
    • Publication date Jul 4, 2024
    • ZF Friedrichshafen AG
    • Feng HU
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PUMP FOR DELIVERING A FLUID AND METHOD OF MANUFACTURING A PUMP

    • Publication number 20240198084
    • Publication date Jun 20, 2024
    • KARDION GMBH
    • Ingo Stotz
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PERMANENT MAGNET MOTOR

    • Publication number 20230400029
    • Publication date Dec 14, 2023
    • Halliburton Energy Services, Inc.
    • Hassan MANSIR
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    PUMP WITH IMPELLER FOR CIRCULATING COOLING FLUID AND RELATED IMPELLER

    • Publication number 20230349393
    • Publication date Nov 2, 2023
    • Crane Pumps & Systems PFT Corp.
    • Kirk Neer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DELIVERY DEVICE FOR DELIVERING A LIQUID

    • Publication number 20230243363
    • Publication date Aug 3, 2023
    • MAHLE International GmbH
    • Martin Gross
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC SUBMERSIBLE PUMP SYSTEMS

    • Publication number 20230167723
    • Publication date Jun 1, 2023
    • SCHLUMBERGER TECHNOLOGY CORPORATION
    • Arthur Ignatius Watson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    STUFFING BOX FOR VERTICAL PUMPS

    • Publication number 20230160393
    • Publication date May 25, 2023
    • Saudi Arabian Oil Company
    • Mohammad Qahtani
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    INTEGRATED PRESSURIZED PUMP SHAFT SEAL ASSEMBLY AND METHOD OF USE T...

    • Publication number 20230064556
    • Publication date Mar 2, 2023
    • Dajustco IP Holdings Inc.
    • Peter Francis Van-De-Velde
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SYSTEMS AND METHODS FOR MAPPING HARDWARE FIFO TO PROCESSOR ADDRESS...

    • Publication number 20220349417
    • Publication date Nov 3, 2022
    • GOVERNMENT OF THE UNITED STATES AS REPRESENTED BY THE SECRETARY OF THE AIR FORCE
    • Mark H. LINDERMAN
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    SHAPE MEMORY ALLOY SEAL BLADDER CLAMP RINGS

    • Publication number 20220259957
    • Publication date Aug 18, 2022
    • Baker Hughes Oilfield Operations LLC
    • David Tanner
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    PUMP GLAND WITH ROTARY DYNAMIC SEAL

    • Publication number 20220163045
    • Publication date May 26, 2022
    • VIKING PUMP, INC.
    • Scott MEYER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Mechanical Seal Including Recovery Port For Use With Pumps

    • Publication number 20220099103
    • Publication date Mar 31, 2022
    • Electromechanical Research Laboratories, Inc.
    • Stephen P. Wilkins
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PRESSURE SEAL ASSEMBLY

    • Publication number 20220056814
    • Publication date Feb 24, 2022
    • Pratt & Whitney Canada Corp.
    • Stuart HODGSON
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    TANDEM SEAL PUMP

    • Publication number 20220049711
    • Publication date Feb 17, 2022
    • Banjo Corporation
    • Daniel Truax
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SEAL STRUCTURE OF DRIVE DEVICE

    • Publication number 20220018354
    • Publication date Jan 20, 2022
    • Toyota Jidosha Kabushiki Kaisha
    • Satoshi TOMINAGA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    VEHICLE PUMP DEVICE FOR PUMPING A LIQUID AND METHOD FOR HANDLING LE...

    • Publication number 20210372422
    • Publication date Dec 2, 2021
    • NIDEC GPM GMBH
    • Mario UNERTL
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Motor Drive Shaft Spring Clutch In Electrical Submersible Pump

    • Publication number 20210348488
    • Publication date Nov 11, 2021
    • Baker Hughes Oilfield Operations LLC
    • Randal Perisho
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CENTRIFUGAL COMPRESSOR

    • Publication number 20210340993
    • Publication date Nov 4, 2021
    • Kabushiki Kaisha Toyota Jidoshokki
    • Yohei TAKASE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HIGH-LIFT SHIELDED PERMANENT MAGNET MULTISTAGE PUMP AND CONTROL METHOD

    • Publication number 20210332821
    • Publication date Oct 28, 2021
    • Zhejiang Zheshui Industry and Trade Co., Ltd.
    • Wenmin Zhang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CENTRIFUGAL PUMP FOR CONVEYING A FLUID

    • Publication number 20210324862
    • Publication date Oct 21, 2021
    • SULZER MANAGEMENT AG
    • Marc WIDMER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID MACHINE WITH IMPELLER DRIVEN VIA ITS RIM

    • Publication number 20210269132
    • Publication date Sep 2, 2021
    • FLOWTRU AS
    • Martin Jung LEINE
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Application

    PUMP FOR DELIVERING A FLUID AND METHOD OF MANUFACTURING A PUMP

    • Publication number 20210236803
    • Publication date Aug 5, 2021
    • KARDION GMBH
    • Ingo Stotz
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    COOLANT PUMP HAVING A USE-OPTIMISED STRUCTURE AND IMPROVED THERMAL...

    • Publication number 20210164473
    • Publication date Jun 3, 2021
    • NIDEC GPM GmbH
    • Franz PAWELLEK
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    INTEGRATED PRESSURIZED PUMP SHAFT SEAL ASSEMBLY AND METHOD OF USE T...

    • Publication number 20210156392
    • Publication date May 27, 2021
    • Dajustco IP Holdings Inc.
    • Peter Francis Van-De-Velde
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...