TREA

Pre-assembled seals

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  • F16J15/348
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F16Engineering elements F16JPISTONS CYLINDERS SEALINGS F16J15/00Sealings

Current Industry

F16J15/348Pre-assembled seals
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Cartridge type mechanical sealing device for sealing liquid
    • Patent number 12,169,024
    • Issue date Dec 17, 2024
    • AIGI ENVIRONMENTAL INC.
    • Jingwei Zhao
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    High pressure gas sealing
    • Patent number 12,152,598
    • Issue date Nov 26, 2024
    • Dover Pumps & Process Solutions Segment, Inc.
    • Vitali Kvachnev
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    System and method for optimizing a fluid environment in split mecha...
    • Patent number 12,152,677
    • Issue date Nov 26, 2024
    • A.W. CHESTERTON COMPANY
    • Robert James Powers
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Mechanical seal arrangement with improved cooling characteristics
    • Patent number 12,152,675
    • Issue date Nov 26, 2024
    • EagleBurgmann Germany GmbH & Co. KG
    • Stefan Ledig
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • 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

    Non-collapsible flexible sealing membrane and seal assembly for rot...
    • Patent number 12,055,222
    • Issue date Aug 6, 2024
    • John Crane Inc.
    • Darin Merrill Rasmussen
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Tapered replacement spindle and seal ring assemblies
    • Patent number 11,945,260
    • Issue date Apr 2, 2024
    • James L. Ebert
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Slide ring seal assembly which can be axially mounted
    • Patent number 11,940,051
    • Issue date Mar 26, 2024
    • EagleBurgmann Germany GmbH & Co. KG
    • Florian Morgenstern
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    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...
  • Information Patent Grant

    Seal and rotating system
    • Patent number 11,879,550
    • Issue date Jan 23, 2024
    • STASSKOL GMBH
    • Felix Kuse
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    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...
  • Information Patent Grant

    Non-pusher dry running seal with sealing elastomer as a backup in s...
    • Patent number 11,815,185
    • Issue date Nov 14, 2023
    • John Crane Inc.
    • Prashanthi Tirunagari
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Seal assembly for rotatable shaft having ventilated dust seal with...
    • Patent number 11,796,063
    • Issue date Oct 24, 2023
    • Caterpillar Inc.
    • Keith Joseph Harmeyer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Reduced emission gas seal
    • Patent number 11,796,064
    • Issue date Oct 24, 2023
    • John Crane UK Limited
    • Ian Martyn Goldswain
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    High pressure gas sealing
    • Patent number 11,788,541
    • Issue date Oct 17, 2023
    • Dover Pumps & Process Solutions Segment, Inc.
    • Vitali Kvachnev
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • 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

    Marine slide ring seal arrangement
    • Patent number 11,754,183
    • Issue date Sep 12, 2023
    • Eagle Burgmann Germany GmbH & Co. KG
    • Dieter Pfeil
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Cartridge radial double-end-face split type mechanical seal
    • Patent number 11,668,398
    • Issue date Jun 6, 2023
    • AGILESENTRY, LLC
    • Guoping Qu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Double seal lubricated packing gland and rotating sleeve
    • Patent number 11,662,027
    • Issue date May 30, 2023
    • Viking Pump, Inc.
    • Christopher Mihm
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Dual barrier seal
    • Patent number 11,635,142
    • Issue date Apr 25, 2023
    • Freudenberg Oil & Gas, LLC
    • Nagarjuna Jillella
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Carbon seal assembly
    • Patent number 11,619,237
    • Issue date Apr 4, 2023
    • Raytheon Technologies Corporation
    • Pantcho P. Stoyanov
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Externally energized secondary seals in split mechanical seals
    • Patent number 11,608,898
    • Issue date Mar 21, 2023
    • A.W. CHESTERTON COMPANY
    • Henri Vincent Azibert
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pump assembly, in particular for supplying a slide ring seal assembly
    • Patent number 11,585,346
    • Issue date Feb 21, 2023
    • EagleBurgmann Germany GmbH & Co. KG
    • Markus Bareis
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Shaft sealing arrangement
    • Patent number 11,572,952
    • Issue date Feb 7, 2023
    • Dresser-Rand SAS
    • Olivier Lebigre
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Sealing ring assemblies configured for pressure locking
    • Patent number 11,530,691
    • Issue date Dec 20, 2022
    • Mainspring Energy, Inc.
    • Matt Svrcek
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Non-collapsible flexible sealing membrane and seal assembly for rot...
    • Patent number 11,473,680
    • Issue date Oct 18, 2022
    • John Crane Inc.
    • Darin Merrill Rasmussen
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    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

    Reduced emission gas seal
    • Patent number 11,396,883
    • Issue date Jul 26, 2022
    • John Crane UK Ltd.
    • Ian Martyn Goldswain
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Floating ring type mechanical seal
    • Patent number 11,371,500
    • Issue date Jun 28, 2022
    • Nippon Pillar Packing Co., Ltd.
    • Yuji Sato
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Seal assembly with anti-rotation lock
    • Patent number 11,365,640
    • Issue date Jun 21, 2022
    • RAYTHEON TECHNOLOGIES CORPORATION
    • Michael M. Davis
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    MECHANICAL SEAL ASSEMBLY WITH IMPROVED SUPPORT OF AXIAL FORCES
    • Publication number 20240376985
    • Publication date Nov 14, 2024
    • EagleBurgmann Germany GmbH & Co. KG
    • Andreas Fesl
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEALING CARTRIDGE FOR A HYDROBLASTING TOOL AND HYDROBLASTING TOOL
    • Publication number 20240263706
    • Publication date Aug 8, 2024
    • COMET DO BRASIL INVESTIMENTOS LTDA.
    • Virgílio ALVES NETO
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    Piston Seal Ring Bypass
    • Publication number 20240255055
    • Publication date Aug 1, 2024
    • RTX Corporation
    • Calvin Jay Winder
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    COMPOSITE OIL SEAL HAVING ELECTRIC CORROSION PREVENTION FUNCTION
    • Publication number 20240250575
    • Publication date Jul 25, 2024
    • PYUNGHWA OIL SEAL INDUSTRY CO., LTD.
    • Tae-Hyung KIM
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    FLUID END WITH CLAMPED RETENTION
    • Publication number 20240200657
    • Publication date Jun 20, 2024
    • KERR MACHINE CO.
    • Kelcy Jake Foster
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    HIGH PRESSURE GAS SEALING
    • Publication number 20240077083
    • Publication date Mar 7, 2024
    • Dover Pumps & Process Solutions Segment, Inc.
    • Vitali Kvachnev
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MECHANICAL SEAL ARRANGEMENT WITH IMPROVED COOLING CHARACTERISTICS
    • Publication number 20230375089
    • Publication date Nov 23, 2023
    • EagleBurgmann Germany GmbH & Co. KG
    • Stefan Ledig
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SHAFT SEAL SYSTEM
    • Publication number 20230258266
    • Publication date Aug 17, 2023
    • Woodex Bearing Company, Inc.
    • Corey VINCENT
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SYSTEM AND METHOD FOR OPTIMIZING A FLUID ENVIRONMENT IN SPLIT MECHA...
    • Publication number 20230204107
    • Publication date Jun 29, 2023
    • A.W. CHESTERTON COMPANY
    • Robert James Powers
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PIN LOCKING DEVICE FOR A SEALING COMPONENT OF A SEAL CARTRIDGE ASSE...
    • Publication number 20230184335
    • Publication date Jun 15, 2023
    • Dresser-Rand SAS
    • Giampiero Marinelli
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEALING RING ASSEMBLIES CONFIGURED FOR PRESSURE LOCKING
    • Publication number 20230072947
    • Publication date Mar 9, 2023
    • Mainspring Energy, Inc.
    • Matt Svrcek
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    NON-PUSHER DRY RUNNING SEAL WITH SEALING ELASTOMER AS A BACKUP IN...
    • Publication number 20230074820
    • Publication date Mar 9, 2023
    • John Crane Inc.
    • Prashanthi Tirunagari
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CARTRIDGE TYPE MECHANICAL SEALING DEVICE FOR SEALING LIQUID
    • Publication number 20230055493
    • Publication date Feb 23, 2023
    • AIGI Environmental Inc.
    • Jingwei ZHAO
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    NON-COLLAPSIBLE FLEXIBLE SEALING MEMBRANE AND SEAL ASSEMBLY FOR ROT...
    • Publication number 20230028905
    • Publication date Jan 26, 2023
    • John Crane Inc.
    • Darin Merrill Rasmussen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEAL ASSEMBLY FOR ROTATABLE SHAFT HAVING VENTILATED DUST SEAL WITH...
    • Publication number 20220381347
    • Publication date Dec 1, 2022
    • Caterpillar Inc.
    • Keith Joseph Harmeyer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SHAFT SEALING ARRANGEMENT
    • Publication number 20220381349
    • Publication date Dec 1, 2022
    • Dresser-Rand SAS
    • Olivier Lebigre
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SEALING ASSEMBLY FOR BEARINGS, IN PARTICULAR FOR USE IN AGRICULTURE
    • Publication number 20220381348
    • Publication date Dec 1, 2022
    • Aktiebolaget SKF
    • Stellario Barbera
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SLIDE RING SEAL ASSEMBLY WHICH CAN BE AXIALLY MOUNTED
    • Publication number 20220373092
    • Publication date Nov 24, 2022
    • EagleBurgmann Germany GmbH & Co. KG
    • Florian Morgenstern
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    REDUCED EMISSION GAS SEAL
    • Publication number 20220235790
    • Publication date Jul 28, 2022
    • John Crane UK Ltd.
    • Ian Martyn Goldswain
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    MARINE SLIDE RING SEAL ARRANGEMENT
    • Publication number 20220186837
    • Publication date Jun 16, 2022
    • EagleBurgmann Germany GmbH & Co. KG
    • Dieter Pfeil
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEAL AND ROTATING SYSTEM
    • Publication number 20220170552
    • Publication date Jun 2, 2022
    • STASSKOL GMBH
    • Felix KUSE
    • 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

    Internally Clamping Rectangular Sealing Ring
    • Publication number 20220145993
    • Publication date May 12, 2022
    • Konzelmann GmbH
    • Matthias Heine
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    FLEXIBLE SEALING MEMBRANE AND SEAL ASSEMBLY FOR ROTARY SHAFT EQUIPMENT
    • Publication number 20220136607
    • Publication date May 5, 2022
    • John Crane Inc.
    • Darin Merrill Rasmussen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    FACE SEAL HAVING ELASTOMERIC RING WITH SURFACE SHAPE FOR IMPROVED S...
    • Publication number 20220128153
    • Publication date Apr 28, 2022
    • TRELLEBORG SEALING SOLUTIONS GERMANY GMBH
    • Andrea Nicolini
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CARTRIDGE RADIAL DOUBLE-END-FACE SPLIT TYPE MECHANICAL SEAL
    • Publication number 20220112957
    • Publication date Apr 14, 2022
    • PARBAT MACHINERY SUZHOU CO. LTD.
    • Guoping Qu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    DOUBLE SEAL LUBRICATED PACKING GLAND AND ROTATING SLEEVE
    • Publication number 20220042603
    • Publication date Feb 10, 2022
    • VIKING PUMP, INC.
    • Christopher Mihm
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    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

    EXTERNALLY ENERGIZED SECONDARY SEALS IN SPLIT MECHANICAL SEALS
    • Publication number 20210381603
    • Publication date Dec 9, 2021
    • A.W. CHESTERTON COMPANY
    • Henri Vincent Azibert
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    HIGH PRESSURE GAS SEALING
    • Publication number 20210355954
    • Publication date Nov 18, 2021
    • Dover Pumps & Process Solutions Segment, Inc.
    • Vitali Kvachnev
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...