kept in sealing position by magnetic force

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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    MAGNETIC FLUID SEAL

    • Publication number 20240175495
    • Publication date May 30, 2024
    • MAGNEX CO., LTD.
    • Yong Woon KWAK
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SELF-COOLING DEVICE SEALED WITH MAGNETIC LIQUID

    • Publication number 20240141999
    • Publication date May 2, 2024
    • BEIJING JIAOTONG UNIVERSITY
    • Decai LI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    BUTTERFLY VALVE

    • Publication number 20240142001
    • Publication date May 2, 2024
    • CKD CORPORATION
    • Nobuhiro FUKUKAWA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    DEVICE SEALED WITH MAGNETIC LIQUID

    • Publication number 20240141998
    • Publication date May 2, 2024
    • BEIJING JIAOTONG UNIVERSITY
    • Decai LI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    WELLBORE EXCLUSION FLUID METHOD AND APPARATUS FOR DOWNHOLE LOGGING

    • Publication number 20240110452
    • Publication date Apr 4, 2024
    • Halliburton Energy Services, Inc.
    • Christopher Michael Jones
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MAGNETIC FLUID SEALED SHAFT ASSEMBLY, SHIELDED MOTOR, AND SHIELDED...

    • Publication number 20240063681
    • Publication date Feb 22, 2024
    • Shenyang Anti-Corrosion Alloy Pump CO., LTD.
    • Jie HAN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SPIRAL MAGNETIC FLUID COMPOSITE SEALING STRUCTURE OF ROLLER BIT

    • Publication number 20230374864
    • Publication date Nov 23, 2023
    • SOUTHWEST PETROLEUM UNIVERSITY
    • Yi ZHOU
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    MAGNETIC LIQUID SEALING DEVICE

    • Publication number 20220221061
    • Publication date Jul 14, 2022
    • TSINGHUA UNIVERSITY
    • Decai LI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MAGNETIC FLUID SEALING DEVICE FOR OSCILLATING SHAFT

    • Publication number 20220205543
    • Publication date Jun 30, 2022
    • TSINGHUA UNIVERSITY
    • Decai LI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MAGNETIC LIQUID SEALING DEVICE

    • Publication number 20220205542
    • Publication date Jun 30, 2022
    • TSINGHUA UNIVERSITY
    • Decai LI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MAGNETIC FLUID SEALING DEVICE

    • Publication number 20220205544
    • Publication date Jun 30, 2022
    • TSINGHUA UNIVERSITY
    • Decai Li
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CHAIN UNIT SEALED AND LUBRICATED WITH MAGNETIC FLUID AND CHAIN HAVI...

    • Publication number 20220128123
    • Publication date Apr 28, 2022
    • TSINGHUA UNIVERSITY
    • Decai LI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CAPILLARY MAGNETIC-LIQUID SEALING DEVICE

    • Publication number 20220074499
    • Publication date Mar 10, 2022
    • TSINGHUA UNIVERSITY
    • Decai LI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ROTATING-SHAFT SEAL AND VACUUM TYPE COMPONENT TRANSFER APPARATUS US...

    • Publication number 20210396318
    • Publication date Dec 23, 2021
    • SEALINK CORP.
    • Hee Jang RHEE
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ROTATING CONTROL DEVICE WITH ACTIVE MATERIAL

    • Publication number 20210372224
    • Publication date Dec 2, 2021
    • Cameron International Corporation
    • Jon Tyler
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    PIPE CONNECTION COMPENSATION DEVICE BY MAGNETIC FLUID SEALING

    • Publication number 20210324958
    • Publication date Oct 21, 2021
    • Jiangsu University
    • Houlin LIU
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ASSEMBLY, MORE PARTICULARLY TURBOMACHINE, COMPRISING A SHAFT SEAL D...

    • Publication number 20210199198
    • Publication date Jul 1, 2021
    • Siemens Aktiengesellschaft
    • Rainer Gausmann
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MAGNETIC LIQUID SEALING DEVICE HAVING HEAT CONDUCTIVE ROD AND HEAT...

    • Publication number 20210123530
    • Publication date Apr 29, 2021
    • TSINGHUA UNIVERSITY
    • Decai LI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ARC-SHAPED STEPPED MAGNETIC FLUID SEALING DEVICE

    • Publication number 20200309270
    • Publication date Oct 1, 2020
    • GUANGXI UNIVERSITY OF SCIENCE AND TECHNOLOGY
    • Xiaolong YANG
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MAGNETIC LIQUID SEALING DEVICE ADAPTED TO AXIAL AND RADIAL DISPLACE...

    • Publication number 20200278031
    • Publication date Sep 3, 2020
    • TSINGHUA UNIVERSITY
    • Decai LI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SHAFT SEAL DEVICE

    • Publication number 20200132197
    • Publication date Apr 30, 2020
    • EAGLE INDUSTRY CO., LTD.
    • Hidekazu TAKAHASHI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    BUTTERFLY VALVE

    • Publication number 20200041003
    • Publication date Feb 6, 2020
    • EAGLE INDUSTRY CO., LTD.
    • Daiki SUMIKAWA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Cryogenic Ferrofluid Sealed Rotary Union

    • Publication number 20190301616
    • Publication date Oct 3, 2019
    • Varian Semiconductor Equipment Associates, Inc.
    • Robert Mitchell
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Application

    ELECTRODE SEAL FOR USE IN A METALLURGICAL FURNACE

    • Publication number 20190285346
    • Publication date Sep 19, 2019
    • 9282-3087 Quebec Inc. (dba TMC Canada)
    • John CHAO
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MAGNETIC FLUID SEAL

    • Publication number 20190063613
    • Publication date Feb 28, 2019
    • EagleBurgmann Japan Co., Ltd.
    • Kazuhiko SATO
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MAGNETIC FLUID SEALED BEARING

    • Publication number 20180355911
    • Publication date Dec 13, 2018
    • GLOBERIDE, INC.
    • Takeshige Ohara
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MAGNETIC FLUID SEAL

    • Publication number 20180306246
    • Publication date Oct 25, 2018
    • EagleBurgmann Japan Co., Ltd.
    • Kazuhiko SATO
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ROTATING SEAL FOR WIRELINE APPLICATIONS AND METHODS OF USING THE SAME

    • Publication number 20180230792
    • Publication date Aug 16, 2018
    • Piezotech, LLC
    • SETH FRIEDLY
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MAGNET FLUID SEALED BEARING UNIT AND DRIVE MOTOR HAVING THE BEARING...

    • Publication number 20180058503
    • Publication date Mar 1, 2018
    • GLOBERIDE, INC.
    • Yutaro ABE
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Device and Method for Controlling Rotating Equipment Seal Without B...

    • Publication number 20180038488
    • Publication date Feb 8, 2018
    • Michael T. Matheidas
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...