especially adapted for liquid pumps

Industry

  • CPC
  • F04D29/126
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tandem seal pump

    • Patent number 12,092,127
    • Issue date Sep 17, 2024
    • CECO Environmental IP Inc.
    • Brian Schnelzer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Seal

    • Patent number 12,018,696
    • Issue date Jun 25, 2024
    • Weir Minerals Europe Limited
    • Pavol Loderer
    • 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

    Rotary pump for conveying a fluid

    • Patent number 11,971,046
    • Issue date Apr 30, 2024
    • SULZER MANAGEMENT AG
    • Thomas Welschinger
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Seal arrangement for pump

    • Patent number 11,933,313
    • Issue date Mar 19, 2024
    • Watson-Marlow GmbH
    • Sven-Eric Will
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pump housing device for a fluid pump, and a fluid pump

    • Patent number 11,852,146
    • Issue date Dec 26, 2023
    • Velcora Holding AB
    • Rifet Mehmedovic
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Sealing member for mechanical seals

    • Patent number 11,835,137
    • Issue date Dec 5, 2023
    • NOK Corporation
    • Shunsuke Abe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Debris exclusion seal guard for a pump

    • Patent number 11,708,831
    • Issue date Jul 25, 2023
    • Parker-Hannifin Corporation
    • Thomas K. Castle
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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

    Mechanical face seal assembly, in particular for hot media, and pum...

    • Patent number 11,619,307
    • Issue date Apr 4, 2023
    • EagleBurgmann Germany GmbH & Co. KG
    • Kilian Obertanner
    • 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

    Water pump

    • Patent number 11,598,346
    • Issue date Mar 7, 2023
    • AISIN CORPORATION
    • Itsuro Hashiguchi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Electrical submersible pump (ESP) seal section service-less flange

    • Patent number 11,572,886
    • Issue date Feb 7, 2023
    • Halliburton Energy Services, Inc.
    • Steven Pyron
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid pump and outlet check valve assembly thereof

    • Patent number 11,499,559
    • Issue date Nov 15, 2022
    • DELPHI TECHNOLOGIES IP LIMITED
    • Francisco Romo
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • 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

    Compressor

    • Patent number 11,384,771
    • Issue date Jul 12, 2022
    • LG Electronics Inc.
    • Kangwook Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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

    Drain pump for washing machine appliance

    • Patent number 11,162,210
    • Issue date Nov 2, 2021
    • Haier US Appliance Solutions, Inc.
    • Syed Hussain
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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

    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

    Electric generator having a liquid coolant system

    • Patent number 11,108,302
    • Issue date Aug 31, 2021
    • Pratt & Whitney Canada Corp.
    • Dana Tomescu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Non-welded suction chamber for surface pumping systems

    • Patent number 11,092,164
    • Issue date Aug 17, 2021
    • Baker Hughes ESP, Inc.
    • Andrew Nelson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump assembly

    • Patent number 11,085,462
    • Issue date Aug 10, 2021
    • Grundfos Holding a/s
    • Erik Bundesen Svarre
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Bearing packing and feed pump

    • Patent number 11,047,396
    • Issue date Jun 29, 2021
    • Agatsuma Co., Ltd
    • Shinji Todokoro
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal pump for cryogenic pumped media

    • Patent number 10,954,952
    • Issue date Mar 23, 2021
    • Fives Cryomec AG
    • Stéphane Boeglin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    High speed centrifugal pump lined seal housing

    • Patent number 10,947,987
    • Issue date Mar 16, 2021
    • Sundyne, LLC
    • David R. Gill
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Slurry seal assembly

    • Patent number 10,941,780
    • Issue date Mar 9, 2021
    • Stein Seal Company
    • Thurai Manik Vasagar
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Self-priming centrifugal pump assembly with multifunctional sealing...

    • Publication number 20240309872
    • Publication date Sep 19, 2024
    • Varisco S.r.l.
    • Giulio Ferrarese
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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

    AXIAL FLUX MOTOR DRIVEN PUMP SYSTEMS FOR PRESSURIZING FLUID IN CLOS...

    • Publication number 20230358235
    • Publication date Nov 9, 2023
    • GENERAL ELECTRIC COMPANY
    • David Raju Yamarthi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY PUMP FOR CONVEYING A FLUID

    • Publication number 20230258196
    • Publication date Aug 17, 2023
    • SULZER MANAGEMENT AG
    • Thomas WELSCHINGER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP ARRANGEMENT FOR PUMPING BARRIER LIQUID AND A MECHANICAL SHAFT...

    • Publication number 20220389935
    • Publication date Dec 8, 2022
    • SULZER MANAGEMENT AG
    • Jukka VAINIKAINEN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PISTON ROD SEAL

    • Publication number 20220356884
    • Publication date Nov 10, 2022
    • NIDEC GPM GmbH
    • Daniel DÖHLER
    • 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

    Seal

    • Publication number 20220275807
    • Publication date Sep 1, 2022
    • Weir Minerals Europe Limited
    • Pavol Loderer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MECHANICAL FACE SEAL ASSEMBLY, IN PARTICULAR FOR HOT MEDIA, AND PUM...

    • Publication number 20220221060
    • Publication date Jul 14, 2022
    • EagleBurgmann Germany GmbH & Co. KG
    • Kilian Obertanner
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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

    FLUID PUMP AND OUTLET CHECK VALVE ASSEMBLY THEREOF

    • Publication number 20220136511
    • Publication date May 5, 2022
    • DELPHI TECHNOLOGIES IP LIMITED
    • Francisco ROMO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COOLANT PLUG-IN PUMP WITH SEALING WASHER TO MINIMIZE THE SEALING GAP

    • Publication number 20210381520
    • Publication date Dec 9, 2021
    • NIDEC GPM GmbH
    • Franz PAWELLEK
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • 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

    WATER PUMP

    • Publication number 20210190085
    • Publication date Jun 24, 2021
    • AISIN SEIKI KABUSHIKI KAISHA
    • Itsuro HASHIGUCHI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    A PUMP HOUSING DEVICE FOR A FLUID PUMP, AND A FLUID PUMP

    • Publication number 20210156395
    • Publication date May 27, 2021
    • Roplan Holding AB
    • Rifet MEHMEDOVIC
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ELECTRIC GENERATOR HAVING A LIQUID COOLANT SYSTEM

    • Publication number 20200313514
    • Publication date Oct 1, 2020
    • Pratt & Whitney Canada Corp.
    • Dana TOMESCU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Slurry Seal Assembly

    • Publication number 20200263693
    • Publication date Aug 20, 2020
    • STEIN SEAL COMPANY
    • Thurai Manik Vasagar
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEALING MEMBER FOR MECHANICAL SEALS

    • Publication number 20200217418
    • Publication date Jul 9, 2020
    • NOK Corporation
    • Shunsuke ABE
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    BEARING PACKING AND FEED PUMP

    • Publication number 20190383302
    • Publication date Dec 19, 2019
    • AGATSUMA CO., LTD.
    • Shinji Todokoro
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MICRO HYDRAULIC SUSPENSION MECHANICAL PUMP

    • Publication number 20190226485
    • Publication date Jul 25, 2019
    • HUAZHONG UNIVERSITY OF SCIENCE & TECHNOLOGY
    • Xiaobing LUO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VEHICLE HAVING A PUMP DEVICE

    • Publication number 20190154048
    • Publication date May 23, 2019
    • SCHAEFFLER TECHNOLOGIES AG & CO. KG
    • Michael Schneeweis
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP FOR A FLUID

    • Publication number 20190154051
    • Publication date May 23, 2019
    • SULZER MANAGEMENT AG
    • Nils Hökby
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Centrifugal Pump Having an Arrangement for Sealing

    • Publication number 20190136864
    • Publication date May 9, 2019
    • KSB SE & Co. KGaA
    • Alexander BOEHM
    • 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

    METHOD OF ATTACHING TISSUE SUBSTITUTE ARTIFICIAL FIBER CLOTH, CONNE...

    • Publication number 20190117864
    • Publication date Apr 25, 2019
    • SUN MEDICAL TECHNOLOGY RESEARCH CORPORATION
    • Masami UCHIDA
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    FLUID SEALING MEMBER AND FLUID PUMP AND MOTOR HAVING FLUID SEALING...

    • Publication number 20190078576
    • Publication date Mar 14, 2019
    • LURACO TECHNOLOGIES, INC.
    • KEVIN LE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MOTOR FOR SUPPRESSING ENTRY OF FOREIGN MATTER

    • Publication number 20190078577
    • Publication date Mar 14, 2019
    • FANUC CORPORATION
    • Yohei Kamiya
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SHAFT SEALING STRUCTURE AND PRIMARY COOLANT CIRCULATION PUMP

    • Publication number 20190063610
    • Publication date Feb 28, 2019
    • Mitsubishi Heavy Industries, Ltd.
    • Naotaka KOMATSU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SELF-ADJUSTING DRUM SYSTEM

    • Publication number 20180355879
    • Publication date Dec 13, 2018
    • XYLEM IP MANAGEMENT S.a.r.l.
    • Gottfried HUBER
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    PUMP ASSEMBLY

    • Publication number 20180283383
    • Publication date Oct 4, 2018
    • GRUNDFOS HOLDING A/S
    • Klaus VESTERGAARD KRAGELUND
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...