the pressing force being applied by means of an elastic ring supporting the slip-ring

Patents Grantslast 30 patents

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    Self-guiding carbon seal system

    • Patent number 12,180,842
    • Issue date Dec 31, 2024
    • RTX Corporation
    • Joseph H. Polly
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Self-guiding carbon seal system

    • Patent number 12,163,432
    • Issue date Dec 10, 2024
    • RTX Corporation
    • Joseph H. Polly
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Flexible alignment sealing coupling

    • Patent number 12,158,226
    • Issue date Dec 3, 2024
    • Roller Bearing Company of America, Inc.
    • Smail Vila
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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    Sealing device for a casing

    • Patent number 12,135,088
    • Issue date Nov 5, 2024
    • Poclain Hydraulics Industrie
    • Gilles Grillon
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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    Seal arrangement for a fluid valve, fluid valve and vehicle

    • Patent number 12,007,031
    • Issue date Jun 11, 2024
    • Vitesco Technologies GmbH
    • Prashant Chavan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Turbomachine provided with fluid sealing device

    • Patent number 11,976,560
    • Issue date May 7, 2024
    • Turboden S.p.A.
    • Mario Gaia
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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    Penetration sealing system

    • Patent number 11,976,731
    • Issue date May 7, 2024
    • Timothy Chung
    • 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...
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    Mechanical seal arrangement having an improved secondary seal

    • Patent number 11,892,082
    • Issue date Feb 6, 2024
    • EagleBurgmann Germany GmbH & Co. KG
    • Joachim Otschik
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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    Mechanical seal and rotary union having a mechanical seal

    • Patent number 11,885,418
    • Issue date Jan 30, 2024
    • CHRISTIAN MAIER GMBH & CO. KG, MASCHINENFABRIK
    • Gunther Schwenk
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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    Non-pusher dry gas seal with sealing elastomer and systems utilizin...

    • Patent number 11,821,523
    • Issue date Nov 21, 2023
    • John Crane Inc.
    • James R. Wasser
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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    Mechanical seal with sensor

    • Patent number 11,815,491
    • Issue date Nov 14, 2023
    • John Crane UK Limited
    • Ian Martyn Goldswain
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Sealing device for gas-liquid two-phase fluid medium under variable...

    • Patent number 11,692,628
    • Issue date Jul 4, 2023
    • CHANGSHU INSTITUTE OF TECHNOLOGY
    • Changping Liang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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    Rotary seal arrangement and rotary seal with recirculation function

    • Patent number 11,686,389
    • Issue date Jun 27, 2023
    • Trelleborg Sealing Solutions Germany GmbH
    • Christoph Wehmann
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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    Sealing arrangement

    • Patent number 11,668,300
    • Issue date Jun 6, 2023
    • TOCIRCLE INDUSTRIES AS
    • Arne Høeg
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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    Screw profile mud-packing preventing

    • Patent number 11,667,340
    • Issue date Jun 6, 2023
    • Caterpillar Inc.
    • Gennaro Suanno
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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    Self-guiding carbon seal system

    • Patent number 11,608,751
    • Issue date Mar 21, 2023
    • Raytheon Technologies Corporation
    • Joseph H. Polly
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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    Sealing device

    • Patent number 11,598,424
    • Issue date Mar 7, 2023
    • ABB Schweiz AG
    • Shanghua Li
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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    Torque resistant seal

    • Patent number 11,592,111
    • Issue date Feb 28, 2023
    • Caterpillar Inc.
    • Loreena S. Plouse
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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    Seal arrangement, kit of parts and method

    • Patent number 11,542,979
    • Issue date Jan 3, 2023
    • ABB Schweiz AG
    • Henrik Carlsson Bohm
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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    Electromagnetic carbon seal system

    • Patent number 11,473,506
    • Issue date Oct 18, 2022
    • Rolls-Royce North American Technologies Inc.
    • Timothy Unton
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Seal assembly

    • Patent number 11,448,229
    • Issue date Sep 20, 2022
    • Jody Madoche
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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    Rotary face seal with magnetic puller loading

    • Patent number 11,441,685
    • Issue date Sep 13, 2022
    • Magnetic Seal LLC
    • Paul Richard Ryan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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    Sealing bellows

    • Patent number 11,415,222
    • Issue date Aug 16, 2022
    • Carl Freudenberg KG
    • Nedal Idies
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Mechanical seal

    • Patent number 11,371,616
    • Issue date Jun 28, 2022
    • Eagle Industry Co., Ltd.
    • Osamu Moriya
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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    Magnetic seal assembly

    • Patent number 11,333,253
    • Issue date May 17, 2022
    • Pratt & Whitney Canada Corp.
    • Marc-Andre Pelletier
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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    Plate between ring assemblies of a ring seal system

    • Patent number 11,333,249
    • Issue date May 17, 2022
    • Caterpillar Inc.
    • Benjamin Jones
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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    Hydraulically controllable mechanical seal

    • Patent number 11,333,251
    • Issue date May 17, 2022
    • Georgia Tech Research Corporation
    • Richard F. Salant
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rotary seal

    • Patent number 11,278,996
    • Issue date Mar 22, 2022
    • Deublin Company, LLC
    • Lisa Freed
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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    Mechanical seal with sensor

    • Patent number 11,280,761
    • Issue date Mar 22, 2022
    • John Crane UK Limited
    • Ian Martyn Goldswain
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents

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    WASHPIPE ASSEMBLY

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    • Publication date Sep 12, 2024
    • FORUM US, INC.
    • Stephen PATTERSON
    • E21 - EARTH DRILLING MINING
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    ROTARY UNION

    • Publication number 20240240736
    • Publication date Jul 18, 2024
    • DEUBLIN GMBH
    • Eberhard Grimm
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    HYDRAULICALLY SUPPORTED FACE SEAL

    • Publication number 20240200662
    • Publication date Jun 20, 2024
    • Raytheon Technologies Corporation
    • Jorn A Glahn
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Seal Arrangement for a Fluid Valve, Fluid Valve and Vehicle

    • Publication number 20240183448
    • Publication date Jun 6, 2024
    • Vitesco Technologies GMBH
    • Prashant CHAVAN
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MECHANICAL SEAL MATING RING WITH DIRECT THERMAL CONTROL

    • Publication number 20240167569
    • Publication date May 23, 2024
    • A.W. CHESTERTON COMPANY
    • Joseph K. KALESHIAN
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Self-Guiding Carbon Seal System

    • Publication number 20230407756
    • Publication date Dec 21, 2023
    • Raytheon Technologies Corporation
    • Joseph H. Polly
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Self-Guiding Carbon Seal System

    • Publication number 20230383668
    • Publication date Nov 30, 2023
    • Raytheon Technologies Corporation
    • Joseph H. Polly
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    SYSTEM AND METHOD OF ALIGNING A MAIN SHAFT OF A GYRATORY CRUSHER

    • Publication number 20230323952
    • Publication date Oct 12, 2023
    • Metso Outotec USA Inc.
    • Matthew A. Potratz
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Application

    Sealing Device

    • Publication number 20230279951
    • Publication date Sep 7, 2023
    • EAGLE INDUSTRY CO., LTD.
    • Tomohiro UCHIYAMA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    IMPROVED SEALING DEVICE FOR A CASING

    • Publication number 20230097920
    • Publication date Mar 30, 2023
    • POCLAIN HYDRAULICS INDUSTRIE
    • Gilles Grillon
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    MECHANICAL SEAL ARRANGEMENT HAVING AN IMPROVED SECONDARY SEAL

    • Publication number 20230042625
    • Publication date Feb 9, 2023
    • EagleBurgmann Germany GmbH & Co. KG
    • Joachim Otschik
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Seal Arrangement for a Fluid Valve, Fluid Valve and Vehicle

    • Publication number 20220403936
    • Publication date Dec 22, 2022
    • Vitesco Technologies GMBH
    • Prashant CHAVAN
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Self-Guiding Carbon Seal System

    • Publication number 20220298921
    • Publication date Sep 22, 2022
    • Raytheon Technologies Corporation
    • Joseph H. Polly
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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    NON-PUSHER DRY GAS SEAL WITH SEALING ELASTOMER AND SYSTEMS UTILIZIN...

    • Publication number 20220205540
    • Publication date Jun 30, 2022
    • James R. WASSER
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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    BUTTERFLY VALVE SEAT AND VALVE SEAT CAVITY

    • Publication number 20220163128
    • Publication date May 26, 2022
    • Bray International, Inc.
    • Partha CHINNASAMY
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ELECTROMAGNETIC CARBON SEAL SYSTEM

    • Publication number 20220154649
    • Publication date May 19, 2022
    • Rolls-Royce North American Technologies Inc.
    • Timothy Unton
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    SEALING DEVICE FOR GAS-LIQUID TWO-PHASE FLUID MEDIUM UNDER VARIABLE...

    • Publication number 20220128150
    • Publication date Apr 28, 2022
    • CHANGSHU INSTITUTE OF TECHNOLOGY
    • Changping LIANG
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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    MECHANICAL SEAL AND ROTARY UNION HAVING A MECHANICAL SEAL

    • Publication number 20210388904
    • Publication date Dec 16, 2021
    • Gunther Schwenk
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    FLEXIBLE ALIGNMENT SEALING COUPLING

    • Publication number 20210356062
    • Publication date Nov 18, 2021
    • Roller Bearing Company of America, Inc.
    • Smail Vila
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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    PENETRATION SEALING SYSTEM

    • Publication number 20210341060
    • Publication date Nov 4, 2021
    • Timothy CHUNG
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    Traveling Device for Construction Machine

    • Publication number 20210285550
    • Publication date Sep 16, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Tomohiko IWANAMI
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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    SCREW PROFILE MUD-PACKING PREVENTING

    • Publication number 20210276637
    • Publication date Sep 9, 2021
    • Caterpillar Inc.
    • Gennaro Suanno
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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    Sealing Device

    • Publication number 20210231218
    • Publication date Jul 29, 2021
    • ABB Schweiz AG
    • Shanghua Li
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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    Appliance for Making Isotropically Finished Seal Ring of Seal Assem...

    • Publication number 20210095767
    • Publication date Apr 1, 2021
    • Caterpillar Inc.
    • Bao Feng
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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    TURBOMACHINE PROVIDED WITH FLUID SEALING DEVICE

    • Publication number 20200408103
    • Publication date Dec 31, 2020
    • TURBODEN SPA
    • Mario Gaia
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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    SEALING ARRANGEMENT

    • Publication number 20200347726
    • Publication date Nov 5, 2020
    • TOCIRCLE INDUSTRIES AS
    • Arne HØEG
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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    SEALING BELLOWS

    • Publication number 20200332829
    • Publication date Oct 22, 2020
    • Carl Freudenberg KG
    • Nedal Idies
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    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...
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    Method and Appliance for Making Isotropically Finished Seal Ring of...

    • Publication number 20200271229
    • Publication date Aug 27, 2020
    • Caterpillar Inc.
    • Bao Feng
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    DRY GAS SEAL WITH ELECTRONICALLY CONTROLLED CARRIER LOAD

    • Publication number 20200256468
    • Publication date Aug 13, 2020
    • John Crane UK Ltd.
    • Raphael Rouillon
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