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Self-priming pumps

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  • CPC
  • F04D9/02
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04DNON-POSITIVE DISPLACEMENT PUMPS F04D9/00Priming Preventing vapour lock

Current Industry

F04D9/02Self-priming pumps
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Self-priming assembly for use in a multi-stage pump
    • Patent number 12,168,986
    • Issue date Dec 17, 2024
    • Pentair Flow Technologies, LLC
    • Bradley Wiyninger
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Self-priming apparatus for quick no-water startup
    • Patent number 12,158,166
    • Issue date Dec 3, 2024
    • JIANGSU UNIVERSITY
    • Xiaowei Li
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Driven gas-liquid separation starting device
    • Patent number 12,146,509
    • Issue date Nov 19, 2024
    • JIANGSU UNIVERSITY
    • Guangjie Peng
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Systems and methods for maintaining the prime of a pump
    • Patent number 12,104,612
    • Issue date Oct 1, 2024
    • Purdy Enterprises Inc.
    • Nicholas R Purdy
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Self-priming jet pump
    • Patent number 12,038,022
    • Issue date Jul 16, 2024
    • NINGBO JUNHE INTELLIGENT TECHNOLOGY CO., LTD
    • Junbo Zhang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Quick no-water startup apparatus for centrifugal pump
    • Patent number 11,905,976
    • Issue date Feb 20, 2024
    • JIANGSU UNIVERSITY
    • Guangjie Peng
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal pump device
    • Patent number 11,746,795
    • Issue date Sep 5, 2023
    • Grundfos Holding a/s
    • Alessandro Iacoponi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pneumatic type water-free starting self-priming device
    • Patent number 11,739,755
    • Issue date Aug 29, 2023
    • Jiangsu University
    • Guangjie Peng
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Centrifugal pump
    • Patent number 11,668,329
    • Issue date Jun 6, 2023
    • AQUASTAR POOL PRODUCTS, INC.
    • Olaf Mjelde
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Device for protecting an electric pump against overpressures
    • Patent number 11,560,896
    • Issue date Jan 24, 2023
    • DAB Pumps S.p.A.
    • Francesco Sinico
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Self-priming assembly for use in a multi-stage pump
    • Patent number 11,560,902
    • Issue date Jan 24, 2023
    • Pentair Flow Technologies, LLC
    • Bradley Wiyninger
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Quick startup device for centrifugal pump
    • Patent number 11,555,497
    • Issue date Jan 17, 2023
    • JIANGSU UNIVERSITY
    • Xiaowei Li
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Self-priming starting device for centrifugal pump
    • Patent number 11,480,180
    • Issue date Oct 25, 2022
    • Jiangsu University
    • Wei Li
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal pump
    • Patent number 11,408,441
    • Issue date Aug 9, 2022
    • AQUASTAR POOL PRODUCTS, INC.
    • Olaf Mjelde
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Priming protection
    • Patent number 11,391,281
    • Issue date Jul 19, 2022
    • Pentair Water Pool and Spa, Inc.
    • Robert W. Stiles
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gas-lock re-prime shaft passage in submersible well pump and method...
    • Patent number 11,268,516
    • Issue date Mar 8, 2022
    • Baker Hughes Holdings LLC
    • Xiaonan Lu
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pump casing with adaptive primer and impeller
    • Patent number 11,261,870
    • Issue date Mar 1, 2022
    • ITT Manufacturing Enterprises LLC.
    • Edward Kupp
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Hemispherical entrainment-type high-flow self-priming centrifugal pump
    • Patent number 11,078,914
    • Issue date Aug 3, 2021
    • JIANGSU UNIVERSITY
    • Weidong Shi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal pump
    • Patent number 11,067,086
    • Issue date Jul 20, 2021
    • Grundfos Holding a/s
    • Janus Lukas Sierakowski-Larsen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Self-priming dedicated water feature pump
    • Patent number 10,718,337
    • Issue date Jul 21, 2020
    • Hayward Industries, Inc.
    • Jason W. Parcell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal pump assembly
    • Patent number 10,619,640
    • Issue date Apr 14, 2020
    • Grundfos Holding a/s
    • Christian Madsen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Self-priming pump
    • Patent number 10,544,795
    • Issue date Jan 28, 2020
    • GEA Tuchenhagen GmbH
    • Stephan Dirks
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Self-priming centrifugal pump
    • Patent number 10,422,337
    • Issue date Sep 24, 2019
    • Alfa Laval Corporate AB
    • Poul Anton Daugaard
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Self-priming centrifugal pump
    • Patent number 10,371,151
    • Issue date Aug 6, 2019
    • ALFA CORPORATE AB
    • Poul Anton Daugaard
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal pump with high and low inlet configurations
    • Patent number 10,352,332
    • Issue date Jul 16, 2019
    • CDS John Blue Company
    • Jason T. Stewart
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multi-stage, self-priming centrifugal pump assembly
    • Patent number 10,337,516
    • Issue date Jul 2, 2019
    • Grundfos Holding a/s
    • Bjarne Vinther Toft
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump
    • Patent number 10,180,141
    • Issue date Jan 15, 2019
    • WALRUS PUMP CO., LTD.
    • Shou-Hsiung Huang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Wastewater and analysis system with monitored sample tube fill level
    • Patent number 10,167,869
    • Issue date Jan 1, 2019
    • WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    • Yanping Yin
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Inlet sieve for self-priming floating pumps
    • Patent number 10,077,786
    • Issue date Sep 18, 2018
    • Gary W. Zaremba
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fuel system with liquid ring pump with centrifugal air/fuel separator
    • Patent number 9,989,060
    • Issue date Jun 5, 2018
    • Woodward, Inc.
    • Austin Wade Mueller
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...

Patents Applicationslast 30 patents

  • Information Patent Application

    INDUCERS FOR CRYOGENIC PUMPS AND RELATED SYSTEMS AND METHODS
    • Publication number 20240392787
    • Publication date Nov 28, 2024
    • DWC & ASSOCIATES, LLC
    • Dennis W. Chalmers
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PRIMER PUMP ASSEMBLY AND A METHOD OF COOLING A MARINE VESSEL
    • Publication number 20240344519
    • Publication date Oct 17, 2024
    • VOLVO PENTA CORPORATION
    • Jonas LUNDH
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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

    DRIVEN GAS-LIQUID SEPARATION STARTING DEVICE
    • Publication number 20240287991
    • Publication date Aug 29, 2024
    • JIANGSU UNIVERSITY
    • Guangjie Peng
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    SELF-PRIMING WATER JACKET WITH PRIMING INLET
    • Publication number 20240068476
    • Publication date Feb 29, 2024
    • US Hybrid Corporation
    • Alex Nguyen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SELF-PRIMING JET PUMP
    • Publication number 20230400027
    • Publication date Dec 14, 2023
    • NINGBO JUNHE INTELLIGENT TECHNOLOGY CO., LTD
    • Junbo ZHANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SELF-PRIMING APPARATUS FOR QUICK NO-WATER STARTUP
    • Publication number 20230313801
    • Publication date Oct 5, 2023
    • JIANGSU UNIVERSITY
    • Xiaowei LI
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    QUICK NO-WATER STARTUP APPARATUS FOR CENTRIFUGAL PUMP
    • Publication number 20230265850
    • Publication date Aug 24, 2023
    • JIANGSU UNIVERSITY
    • Guangjie Peng
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PNEUMATIC TYPE WATER-FREE STARTING SELF-PRIMING DEVICE
    • Publication number 20230243355
    • Publication date Aug 3, 2023
    • Jiangsu University
    • Guangjie PENG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SELF-PRIMING ASSEMBLY FOR USE IN A MULTI-STAGE PUMP
    • Publication number 20230160397
    • Publication date May 25, 2023
    • Pentair Flow Technologies, LLC
    • Bradley Wiyninger
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    QUICK STARTUP DEVICE FOR CENTRIFUGAL PUMP
    • Publication number 20220325716
    • Publication date Oct 13, 2022
    • JIANGSU UNIVERSITY
    • Xiaowei LI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Pumping System
    • Publication number 20220290673
    • Publication date Sep 15, 2022
    • SMITH & LOVELESS INC.
    • Robert A. Grove
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SELF-PRIMING STARTING DEVICE FOR CENTRIFUGAL PUMP
    • Publication number 20220120280
    • Publication date Apr 21, 2022
    • Jiangsu University
    • Wei LI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP CASING WITH ADAPTIVE PRIMER AND IMPELLER
    • Publication number 20210095672
    • Publication date Apr 1, 2021
    • ITT MANUFACTURING ENTERPRISES LLC
    • Edward KUPP
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    HEMISPHERICAL ENTRAINMENT-TYPE HIGH-FLOW SELF-PRIMING CENTRIFUGAL PUMP
    • Publication number 20200355185
    • Publication date Nov 12, 2020
    • JIANGSU UNIVERSITY
    • Weidong SHI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AIR RELEASE VALVE
    • Publication number 20200347946
    • Publication date Nov 5, 2020
    • Gorman-Rupp Pumps
    • Larry P. Liebhart
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SELF-PRIMING ASSEMBLY FOR USE IN A MULTI-STAGE PUMP
    • Publication number 20200240434
    • Publication date Jul 30, 2020
    • Pentair Flow Technologies, LLC
    • Brad Wiyninger
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    INERTIA VACUUM ASSISTED SELF-PRIMING PUMP
    • Publication number 20200158115
    • Publication date May 21, 2020
    • AMOS FLUID TECHNOLOGY CO., LTD.
    • Haiqing MEI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Automatic Initiation of Priming Sequence for Metering Pumps
    • Publication number 20190078570
    • Publication date Mar 14, 2019
    • Milton Roy, LLC
    • Jason Carman
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Fuel Pump and Fuel Supply System Using the Same
    • Publication number 20180258893
    • Publication date Sep 13, 2018
    • DELPHI TECHNOLOGIES IP LIMITED
    • John G. Fischer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    IMPELLER PUMP
    • Publication number 20180163727
    • Publication date Jun 14, 2018
    • MP Pumps, Inc.
    • Jason A. McClaran
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ONLINE MONITORING SYSTEM
    • Publication number 20180094630
    • Publication date Apr 5, 2018
    • WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    • Yanping YIN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Self-Priming Dedicated Water Feature Pump
    • Publication number 20180080449
    • Publication date Mar 22, 2018
    • Hayward Industries, Inc.
    • Jason W. Parcell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CENTRIFUGAL PUMP ASSEMBLY
    • Publication number 20180073509
    • Publication date Mar 15, 2018
    • GRUNDFOS HOLDING A/S
    • Christian MADSEN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Self-Priming Pump
    • Publication number 20180058466
    • Publication date Mar 1, 2018
    • GEA TUCHENHAGEN GMBH
    • Stephan Dirks
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP
    • Publication number 20170342985
    • Publication date Nov 30, 2017
    • WALRUS PUMP CO., LTD.
    • Shou-Hsiung HUANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CENTRIFUGAL PUMP
    • Publication number 20170328366
    • Publication date Nov 16, 2017
    • GRUNDFOS HOLDING A/S
    • Janus Lukas SIERAKOWSKI-LARSEN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CENTRIFUGAL PUMP WITH HIGH AND LOW INLET CONFIGURATIONS
    • Publication number 20170159673
    • Publication date Jun 8, 2017
    • CDS-John Blue Company
    • Jason T. Stewart
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD FOR PUMPING A LIQUID, PUMPING STATION, AND PUMPING AREA
    • Publication number 20170081835
    • Publication date Mar 23, 2017
    • HYDRO+
    • Yves Givron
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VERTICAL SELF-PRIMING PUMP
    • Publication number 20160363124
    • Publication date Dec 15, 2016
    • GUANGHUI XIANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...