TREA

with hydrodynamic pumping action

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Industry

  • CPC
  • F16J15/3244
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Parent Industries

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

Current Industry

F16J15/3244with hydrodynamic pumping action
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Hydrodynamic sealing element for a radial shaft seal
    • Patent number 12,320,427
    • Issue date Jun 3, 2025
    • Amsted Rail Company, Inc.
    • Linas Maskaliunas
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Followability enhancer for a rotational seal
    • Patent number 11,852,240
    • Issue date Dec 26, 2023
    • Caterpillar Inc.
    • Elmer S Zanoria
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Intershaft seal assembly with pressure-balanced translatable carrier
    • Patent number 11,725,588
    • Issue date Aug 15, 2023
    • Stein Seal Company
    • Glenn M. Garrison
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Radial shaft seal
    • Patent number 11,719,343
    • Issue date Aug 8, 2023
    • KACO GmbH + Co. KG
    • Wilhelm Wunder
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Seal arrangement and seal element with a high-pressure side flushin...
    • Patent number 11,698,135
    • Issue date Jul 11, 2023
    • Trelleborg Sealing Solutions Germany GmbH
    • Mandy Wilke
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    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...
  • Information Patent Grant

    Transmission for a motor vehicle, and electric axle drive
    • Patent number 11,635,133
    • Issue date Apr 25, 2023
    • ZF Friedrichshafen AG
    • Michael Griesbach
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Radial shaft seal
    • Patent number 11,603,933
    • Issue date Mar 14, 2023
    • KACO GmbH + Co. KG
    • Wilhelm Wunder
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sealing device
    • Patent number 11,530,721
    • Issue date Dec 20, 2022
    • SUBARU CORPORATION
    • Katsuyuki Ichinohe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Seal assembly
    • Patent number 11,512,779
    • Issue date Nov 29, 2022
    • Aktiebolaget SKF
    • Matthias Krebs
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Contamination guard
    • Patent number 11,313,470
    • Issue date Apr 26, 2022
    • Caterpillar Inc.
    • John M. Mashak
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Seal assembly with anti-rotation and stability features
    • Patent number 11,300,208
    • Issue date Apr 12, 2022
    • Kalsi Engineering, Inc.
    • Aaron P Richie
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sealing apparatus
    • Patent number 11,287,042
    • Issue date Mar 29, 2022
    • NOK Corporation
    • Yuya Sakano
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rotary seal apparatus and arrangement of a rotary seal apparatus in...
    • Patent number 11,226,040
    • Issue date Jan 18, 2022
    • Deere & Company
    • Randall K. Bill
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sealing apparatus
    • Patent number 11,215,284
    • Issue date Jan 4, 2022
    • NOK Corporation
    • Sosuke Ito
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sealing ring and seal arrangement comprising such a sealing ring
    • Patent number 11,131,387
    • Issue date Sep 28, 2021
    • Carl Freudenberg KG
    • Martin Heldmann
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ring for a floating ring seal
    • Patent number 11,125,338
    • Issue date Sep 21, 2021
    • Audi AG
    • Felix Winkelmeyr
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Seal assembly
    • Patent number 11,112,010
    • Issue date Sep 7, 2021
    • Aktiebolaget SKF
    • Juergen Kurth
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Seal
    • Patent number 11,022,175
    • Issue date Jun 1, 2021
    • SIEMENS GAMESA RENEWABLE ENERGY A/S
    • Mathias Muff Hansen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Axial and radial floating seals
    • Patent number 10,989,305
    • Issue date Apr 27, 2021
    • Bal Seal Engineering, LLC
    • Peter J. Balsells
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Radial shaft seal with dynamic exclusion of contamination
    • Patent number 10,955,006
    • Issue date Mar 23, 2021
    • Freudenberg-NOK General Partnership
    • Robert P. Laplante
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Seal assembly
    • Patent number 10,883,605
    • Issue date Jan 5, 2021
    • Aktiebolaget SKF
    • Juergen Kurth
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sealing device
    • Patent number 10,871,231
    • Issue date Dec 22, 2020
    • NOK Corporation
    • Naoyuki Honma
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Seal device
    • Patent number 10,746,303
    • Issue date Aug 18, 2020
    • NOK Corporation
    • Yuya Sakano
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Seal assembly for a rotating member
    • Patent number 10,738,891
    • Issue date Aug 11, 2020
    • FREUDENBERG SEALING TECHNOLOGIES S.A.S. DI EXTERNA ITALIA S.R.L.U.
    • Luca Breusa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Seal device
    • Patent number 10,711,899
    • Issue date Jul 14, 2020
    • NOK Corporation
    • Akihiro Komyo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sealing device
    • Patent number 10,683,935
    • Issue date Jun 16, 2020
    • NOK Corporation
    • Satoshi Yamanaka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hydrodynamic seal assembly with interface control
    • Patent number 10,663,063
    • Issue date May 26, 2020
    • EATON INTELLIGENT POWER LIMITED
    • Edward N. Ruggeri
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Seal arrangement with sealing film
    • Patent number 10,655,735
    • Issue date May 19, 2020
    • Trelleborg Sealing Solutions Germany GmbH
    • Martin Franz
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sealing apparatus
    • Patent number 10,641,395
    • Issue date May 5, 2020
    • NOK Corporation
    • Daisuke Miura
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    SHAFT SEALING RING AND SHAFT ARRANGEMENT FOR HIGH ROTATIONAL SPEEDS
    • Publication number 20250060037
    • Publication date Feb 20, 2025
    • TRELLEBORG SEALING SOLUTIONS GERMANY GMBH
    • Nino Dakov
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CONTAMINANT EXCLUSION SEAL DESIGN
    • Publication number 20240410467
    • Publication date Dec 12, 2024
    • Freudenberg-NOK General Partnership
    • Lloyd WYLIE
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    HYDRODYNAMIC SEALING ELEMENT FOR A RADIAL SHAFT SEAL
    • Publication number 20240309952
    • Publication date Sep 19, 2024
    • AMSTED RAIL COMPANY, INC.
    • Linas Maskaliunas
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PTFE SHAFT SEAL AND METHOD OF MAKING
    • Publication number 20240295268
    • Publication date Sep 5, 2024
    • BRENT RYAN SEDLAR
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEALING DEVICE
    • Publication number 20240035573
    • Publication date Feb 1, 2024
    • NOK Corporation
    • Kenichi YOSHIMURA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEALING DEVICE
    • Publication number 20240026977
    • Publication date Jan 25, 2024
    • NOK Corporation
    • Hiroka YAMAGUCHI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    A DIRT INGRESS SEAL
    • Publication number 20230383812
    • Publication date Nov 30, 2023
    • Carl Freudenberg KG
    • Perambur Krishnan VENKATESWARAN
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    FOLLOWABILITY ENHANCER FOR A ROTATIONAL SEAL
    • Publication number 20230265925
    • Publication date Aug 24, 2023
    • Caterpillar Inc.
    • Elmer S. ZANORIA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEALING ASSEMBLY FOR INSERTION BETWEEN A STATIONARY ANNULAR ELEMENT...
    • Publication number 20230029313
    • Publication date Jan 26, 2023
    • Aktiebolaget SKF
    • Davide Bergesio
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEAL RING AND SEALED STRUCTURE
    • Publication number 20220136604
    • Publication date May 5, 2022
    • NOK Corporation
    • Hikari TADANO
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Intershaft Seal Assembly with Pressure-Balanced Translatable Carrier
    • Publication number 20220136447
    • Publication date May 5, 2022
    • Stein Seal Company
    • Glenn M. Garrison
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Transmission for a Motor Vehicle, and Electric Axle Drive
    • Publication number 20220107016
    • Publication date Apr 7, 2022
    • ZF Friedrichshafen AG
    • Michael Griesbach
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    ROTARY SEAL APPARATUS AND ARRANGEMENT OF A ROTARY SEAL APPARATUS IN...
    • Publication number 20210131562
    • Publication date May 6, 2021
    • Deere & Company
    • Randall K. Bill
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEAL RING
    • Publication number 20210116032
    • Publication date Apr 22, 2021
    • EAGLE INDUSTRY CO., LTD.
    • Wataru KIMURA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Seal with Pressure Activatable Bead
    • Publication number 20210080008
    • Publication date Mar 18, 2021
    • Aktiebolaget SKF
    • Robert D. Pecak
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEALING DEVICE
    • Publication number 20210010599
    • Publication date Jan 14, 2021
    • NOK Corporation
    • Hisato YONAI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Method and Apparatus for Rotating Sleeve Engine Hydrodynamic Seal
    • Publication number 20200277883
    • Publication date Sep 3, 2020
    • Dimitrios Dardalis
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ROTARY SEAL ASSEMBLY AND ROTARY SEAL FOR HIGH-PRESSURE APPLICATIONS
    • Publication number 20200200274
    • Publication date Jun 25, 2020
    • TRELLEBORG SEALING SOLUTIONS GERMANY GMBH
    • Jan Kolodziej
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEALING APPARATUS
    • Publication number 20200166138
    • Publication date May 28, 2020
    • NOK Corporation
    • Hisato YONAI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEAL ASSEMBLY WITH ANTI-ROTATION AND STABILITY FEATURES
    • Publication number 20200166140
    • Publication date May 28, 2020
    • KALSI ENGINEERING INC.
    • Aaron P. Richie
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEALING APPARATUS
    • Publication number 20200096112
    • Publication date Mar 26, 2020
    • NOK Corporation
    • Sosuke ITO
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ROTARY SEAL ARRANGEMENT AND ROTARY SEAL WITH RECIRCULATION FUNCTION
    • Publication number 20200080643
    • Publication date Mar 12, 2020
    • TRELLEBORG SEALING SOLUTIONS GERMANY GMBH
    • Christoph Wehmann
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEALING APPARATUS
    • Publication number 20200011423
    • Publication date Jan 9, 2020
    • NOK Corporation
    • Sosuke ITO
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEAL ARRANGEMENT AND SEAL ELEMENT WITH A HIGH-PRESSURE SIDE FLUSHIN...
    • Publication number 20190360595
    • Publication date Nov 28, 2019
    • TRELLEBORG SEALING SOLUTIONS GERMANY GMBH
    • Mandy Wilke
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEAL ASSEMBLY
    • Publication number 20190293182
    • Publication date Sep 26, 2019
    • Aktiebolaget SKF
    • Juergen Kurth
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEALING APPARATUS
    • Publication number 20190277403
    • Publication date Sep 12, 2019
    • NOK Corporation
    • Yuya SAKANO
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    NON-CONTACT LIQUID SEALING ACTUATOR SYSTEM
    • Publication number 20190234090
    • Publication date Aug 1, 2019
    • SURF LAKES HOLDINGS LTD
    • Christopher Roy SIDWELL
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Radial Shaft Seal
    • Publication number 20190195365
    • Publication date Jun 27, 2019
    • KACO GmbH + Co. KG
    • Wilhelm Wunder
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SHAFT SEAL WITH HELICAL SEALING LIP
    • Publication number 20190120385
    • Publication date Apr 25, 2019
    • System Seals, Inc.
    • Arnold A. W. J. von Engelbrechten
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEALING DEVICE
    • Publication number 20180372222
    • Publication date Dec 27, 2018
    • NOK Corporation
    • Takehiro NAKAGAWA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...