TREA

using separate springs or elastic elements expanding the rings Springs therefor; Expansion by wedging

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  • F16J9/06
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F16Engineering elements F16JPISTONS CYLINDERS SEALINGS F16J9/00Piston-rings

Current Industry

F16J9/06using separate springs or elastic elements expanding the rings Springs therefor; Expansion by wedging
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Oil control ring
    • Patent number 12,173,799
    • Issue date Dec 24, 2024
    • TPR CO., LTD.
    • Akira Hikone
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Oil control ring
    • Patent number 12,163,592
    • Issue date Dec 10, 2024
    • Federal-Mogul Burscheid GmbH
    • Thomas Bastuck
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Combination of piston rings, and combination structure of piston an...
    • Patent number 12,117,084
    • Issue date Oct 15, 2024
    • TPR CO., LTD.
    • Hiroyuki Nagakura
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Piston sealing ring assembly having a gap cover element
    • Patent number 12,078,249
    • Issue date Sep 3, 2024
    • Mainspring Energy, Inc.
    • Jodie Prudhomme
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Combination of piston rings, and combination structure of piston an...
    • Patent number 12,000,491
    • Issue date Jun 4, 2024
    • TPR CO., LTD.
    • Hiroyuki Nagakura
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Cylinder of an internal combustion engine
    • Patent number 11,982,357
    • Issue date May 14, 2024
    • MAN Energy Solutions SE
    • Talat Shaer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Piston for reciprocating compressor having complementary sealing el...
    • Patent number 11,982,265
    • Issue date May 14, 2024
    • FAIVELEY TRANSPORT ITALIA S. p. A.
    • Corrado Rossino
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Combined oil ring
    • Patent number 11,873,780
    • Issue date Jan 16, 2024
    • Nippon Piston Ring Co., Ltd.
    • Masahiro Uchiumi
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Springs for piston ring biasing
    • Patent number 11,873,906
    • Issue date Jan 16, 2024
    • Mainspring Energy, Inc.
    • Matthew Svrcek
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Piston sealing ring assembly having a gap cover element
    • Patent number 11,767,915
    • Issue date Sep 26, 2023
    • Mainspring Energy, Inc.
    • Jodie Prudhomme
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pump seal
    • Patent number 11,761,536
    • Issue date Sep 19, 2023
    • Chart Inc.
    • Eric Thor
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Spacer spring for a three-part oil scraper ring and three-part oil...
    • Patent number 11,725,730
    • Issue date Aug 15, 2023
    • Federal-Mogul Burscheid GmbH
    • Laszlo Pelsoeczy
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Three-part oil scraper ring
    • Patent number 11,719,340
    • Issue date Aug 8, 2023
    • Federal-Mogul Burscheid GmbH
    • Florian Böhnke
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Axial three-way modulating valve
    • Patent number 11,719,349
    • Issue date Aug 8, 2023
    • MUELLER REFRIGERATION, LLC
    • Ralph S. Bryant
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multi-piece oil scraper ring with reduced friction
    • Patent number 11,713,811
    • Issue date Aug 1, 2023
    • Federal-Mogul Burscheid GmbH
    • Stephan Machliner
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Engine with gas exchange through piston rod
    • Patent number 11,686,199
    • Issue date Jun 27, 2023
    • Aquarius Engines (A.M.) Ltd.
    • Shaul Haim Yaakoby
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Scraper ring for a three-part oil scraper ring and three-part oil s...
    • Patent number 11,592,105
    • Issue date Feb 28, 2023
    • Federal-Mogul Burscheid GmbH
    • Dirk Bärenreuter
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Piston ring for floating piston in a thermal energy storage system
    • Patent number 11,519,504
    • Issue date Dec 6, 2022
    • NORWICH TECHNOLOGIES, INC.
    • Troy McBride
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Engine with work stroke and gas exchange through piston rod
    • Patent number 11,346,219
    • Issue date May 31, 2022
    • Aquarius Engines (A.M.) Ltd.
    • Shaul Haim Yaakoby
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Oil control ring and spacer expander
    • Patent number 11,333,245
    • Issue date May 17, 2022
    • Hiroshi Shimizu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Piston ring combination
    • Patent number 11,320,049
    • Issue date May 3, 2022
    • TPR CO., LTD.
    • Tetsuya Nango
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Piston for an internal combustion engine
    • Patent number 11,274,747
    • Issue date Mar 15, 2022
    • Mahle International GmbH
    • Philipp Licht
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fuel pump with independent plunger cover and seal
    • Patent number 11,268,485
    • Issue date Mar 8, 2022
    • Cummins Inc.
    • Roberto Medina Munoz
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Play-free oil scraper ring
    • Patent number 11,199,261
    • Issue date Dec 14, 2021
    • Federal-Mogul Burscheid GmbH
    • Nigel Gray
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Oil scraper ring spring for an oil scraper ring and oil scraper ring
    • Patent number 11,143,301
    • Issue date Oct 12, 2021
    • Scherdel INNOTEC Forschungs-und Entwicklungs-GmbH
    • Peter Mielke
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multiple-piece oil stripping piston ring with reduced friction
    • Patent number 11,092,238
    • Issue date Aug 17, 2021
    • Federal-Mogul Burscheid GmbH
    • Stephan Machliner
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Engine with work stroke and gas exchange through piston rod
    • Patent number 11,008,864
    • Issue date May 18, 2021
    • Aquarius Engines (A.M.) Ltd.
    • Shaul Haim Yaakoby
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Piston sealing ring assembly having a gap cover element
    • Patent number 10,975,966
    • Issue date Apr 13, 2021
    • Mainspring Energy, Inc.
    • Jodie Prudhomme
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Engine with work stroke and gas exchange through piston rod
    • Patent number 10,968,742
    • Issue date Apr 6, 2021
    • Aquarius Engines (A.M.) Ltd.
    • Shaul Haim Yaakoby
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Combination oil ring
    • Patent number 10,890,255
    • Issue date Jan 12, 2021
    • TPR CO., LTD.
    • Seeroku Hoshino
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    OIL CONTROL RING
    • Publication number 20240141993
    • Publication date May 2, 2024
    • TPR CO., LTD.
    • Akira HIKONE
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    AXIAL THREE-WAY MODULATING VALVE
    • Publication number 20230407976
    • Publication date Dec 21, 2023
    • Mueller Refrigeration, LLC
    • RALPH S. BRYANT
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PISTON SEALING RING ASSEMBLY HAVING A GAP COVER ELEMENT
    • Publication number 20230375086
    • Publication date Nov 23, 2023
    • Mainspring Energy, Inc.
    • Jodie Prudhomme
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Combination of Piston Rings, and Combination Structure of Piston an...
    • Publication number 20230358313
    • Publication date Nov 9, 2023
    • TPR CO., LTD.
    • Hiroyuki Nagakura
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    LATERALLY MOVEABLE COMPRESSOR PISTON ROD LIP SEAL ASSEMBLY
    • Publication number 20230349465
    • Publication date Nov 2, 2023
    • ARIEL CORPORATION
    • Evan William KOONTZ
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Combination of Piston Rings, and Combination Structure of Piston an...
    • Publication number 20230272854
    • Publication date Aug 31, 2023
    • Hiroyuki Nagakura
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    OIL SCRAPER RING FOR PISTONS OF AN INTERNAL COMBUSTION ENGINE
    • Publication number 20230228329
    • Publication date Jul 20, 2023
    • FEDERAL-MOGUL BURSCHEID GMBH
    • RICHARD MITTLER
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PISTON RING ARRANGEMENT, PISTON COMPRESSOR AND METHOD FOR SEALING A...
    • Publication number 20230184332
    • Publication date Jun 15, 2023
    • Burckhardt Compression AG
    • David FLOOD
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SHAFT MOUNTING ASSEMBLY
    • Publication number 20230160470
    • Publication date May 25, 2023
    • CROSS MANUFACTURING COMPANY (1938) LIMITED
    • Edward Henry Cross
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    OIL CONTROL RING
    • Publication number 20220412459
    • Publication date Dec 29, 2022
    • FEDERAL-MOGUL BURSCHEID GMBH
    • Thomas BASTUCK
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ENGINE WITH GAS EXCHANGE THROUGH PISTON ROD
    • Publication number 20220282620
    • Publication date Sep 8, 2022
    • Aquarius Engines (A.M.) Ltd.
    • Shaul Haim YAAKOBY
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    MICROPUMP HAVING A SEALING RING
    • Publication number 20220196011
    • Publication date Jun 23, 2022
    • Merxin Ltd
    • ADAM STUART
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SPRINGS FOR PISTON RING BIASING
    • Publication number 20220154824
    • Publication date May 19, 2022
    • Mainspring Energy, Inc.
    • Matthew Svrcek
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    COMBINED OIL RING
    • Publication number 20220090558
    • Publication date Mar 24, 2022
    • NIPPON PISTON RING CO., LTD
    • Masahiro UCHIUMI
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    PUMP SEAL
    • Publication number 20220018435
    • Publication date Jan 20, 2022
    • Chart Inc.
    • Eric Thor
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PISTON SEALING RING ASSEMBLY HAVING A GAP COVER ELEMENT
    • Publication number 20210388901
    • Publication date Dec 16, 2021
    • Mainspring Energy, Inc.
    • Jodie Prudhomme
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    OIL RING FOR INTERNAL COMBUSTION ENGINE AND PISTON ASSEMBLY INCLUDI...
    • Publication number 20210381596
    • Publication date Dec 9, 2021
    • SAMYOUNG MACHINERY CO.,LTD.
    • GEUM TAI HAN
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Cylinder of an Internal Combustion Engine
    • Publication number 20210381597
    • Publication date Dec 9, 2021
    • MAN Energy Solutions SE
    • Talat SHAER
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    THREE-PART OIL SCRAPER RING
    • Publication number 20210332885
    • Publication date Oct 28, 2021
    • FEDERAL-MOGUL BURSCHEID GMBH
    • FLORIAN BÖHNKE
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MULTI-PIECE OIL SCRAPER RING WITH REDUCED FRICTION
    • Publication number 20210270368
    • Publication date Sep 2, 2021
    • FEDERAL-MOGUL BURSCHEID GMBH
    • STEPHAN MACHLINER
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SCRAPER RING FOR A THREE-PART OIL SCRAPER RING AND THREE-PART OIL S...
    • Publication number 20210180695
    • Publication date Jun 17, 2021
    • FEDERAL-MOGUL BURSCHEID GMBH
    • DIRK BÄRENREUTER
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PISTON RING COMBINATION
    • Publication number 20210164568
    • Publication date Jun 3, 2021
    • TPR CO., LTD.
    • Tetsuya Nango
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SPACER EXPANDER AND OIL CONTROL RING INCLUDING SAME
    • Publication number 20210164566
    • Publication date Jun 3, 2021
    • Kabushiki Kaisha Riken
    • Hiroshi SHIMIZU
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MULTIPLE PIECE SEAL RING ASSEMBLY
    • Publication number 20210033195
    • Publication date Feb 4, 2021
    • Roller Bearing Company of America, Inc.
    • John Reinhardt
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    AXIALLY PRELOADED PACKING RING SETS
    • Publication number 20210033192
    • Publication date Feb 4, 2021
    • ARIEL CORPORATION
    • Evan William KOONTZ
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PISTON FOR AN INTERNAL COMBUSTION ENGINE
    • Publication number 20210025494
    • Publication date Jan 28, 2021
    • MAHLE International GmbH
    • Philipp Licht
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SPACER SPRING FOR A THREE-PART OIL SCRAPER RING AND THREE-PART OIL...
    • Publication number 20210003217
    • Publication date Jan 7, 2021
    • FEDERAL-MOGUL BURSCHEID GMBH
    • LASZLO PELSOECZY
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PLAY-FREE OIL SCRAPER RING
    • Publication number 20200378498
    • Publication date Dec 3, 2020
    • FEDERAL-MOGUL BURSCHEID GMBH
    • NIGEL GRAY
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    FUEL PUMP WITH INDEPENDENT PLUNGER COVER AND SEAL
    • Publication number 20200370525
    • Publication date Nov 26, 2020
    • Cummins Inc.
    • Roberto Medina Munoz
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ENGINE WITH WORK STROKE AND GAS EXCHANGE THROUGH PISTON ROD
    • Publication number 20200284149
    • Publication date Sep 10, 2020
    • Aquarius Engines (A.M.) Ltd.
    • Shaul Haim YAAKOBY
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS