One-piece oil-scraping rings

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  • F16J9/206
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Patents Grantslast 30 patents

  • 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

    Scraper ring for a piston

    • Patent number 11,674,595
    • Issue date Jun 13, 2023
    • Caterpillar Inc.
    • Adam Joseph Clute
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Piston for an internal combustion engine

    • Patent number 11,492,997
    • Issue date Nov 8, 2022
    • Mahle International GmbH
    • Ulrich Bischofberger
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Piston for an internal combustion engine

    • Patent number 11,408,507
    • Issue date Aug 9, 2022
    • Federal-Mogul Nürnberg GmbH
    • Sven Ungermann
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Oil ring for internal combustion engine and piston assembly includi...

    • Patent number 11,384,837
    • Issue date Jul 12, 2022
    • Samyoung Machinery Co., Ltd.
    • Geum Tai Han
    • 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

    Method for producing piston ring with recess

    • Patent number 11,047,479
    • Issue date Jun 29, 2021
    • Nippon Piston Ring Co., Ltd.
    • Kazuhiro Fujimura
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Compression oil control piston ring

    • Patent number 10,969,013
    • Issue date Apr 6, 2021
    • Federal-Mogul Burscheid GmbH
    • Richard Mittler
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    One-piece oil control ring

    • Patent number 10,969,014
    • Issue date Apr 6, 2021
    • Federal-Mogul Burscheid GmbH
    • Richard Mittler
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Two part oil control ring having oil pressure effect ridges

    • Patent number 10,883,600
    • Issue date Jan 5, 2021
    • Federal-Mogul Burscheid GmbH
    • Richard Mittler
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Piston ring for engine

    • Patent number 10,844,956
    • Issue date Nov 24, 2020
    • Hyundai Motor Company
    • Min Yong Lee
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method for producing piston ring with recess

    • Patent number 10,514,097
    • Issue date Dec 24, 2019
    • Nippon Piston Ring Co., Ltd.
    • Kazuhiro Fujimura
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Piston ring

    • Patent number 10,415,704
    • Issue date Sep 17, 2019
    • KABUSHIKI KAISHA RIKEN
    • Masaaki Fujita
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multi-piece oil ring

    • Patent number 10,330,198
    • Issue date Jun 25, 2019
    • Nippon Piston Ring Co., Ltd.
    • Atsushi Chiba
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Piston ring for an internal combustion engine

    • Patent number 10,125,869
    • Issue date Nov 13, 2018
    • Tenneco Inc.
    • Blair Matthew Jenness
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Piston, oil control ring therefor and method of construction thereof

    • Patent number 10,125,719
    • Issue date Nov 13, 2018
    • Tenneco Inc.
    • Miguel Azevedo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Piston ring configured to reduce friction

    • Patent number 10,077,838
    • Issue date Sep 18, 2018
    • Ford Global Technologies, LLC
    • Ian Graham Pegg
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multi-piece oil ring

    • Patent number 10,030,772
    • Issue date Jul 24, 2018
    • Nippon Piston Ring Co., Ltd.
    • Atsushi Chiba
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pressure released wiper assembly

    • Patent number 9,989,152
    • Issue date Jun 5, 2018
    • SEAL ENGINEERING AS
    • Julian Putkowski
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Piston assembly

    • Patent number 9,915,345
    • Issue date Mar 13, 2018
    • Honda Motor Co., Ltd.
    • Naokazu Kawase
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Taper-faced compression ring and wire therefor

    • Patent number 9,851,006
    • Issue date Dec 26, 2017
    • Kabushiki Kaisha Riken
    • Mamoru Watanabe
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Oil ring

    • Patent number 9,791,045
    • Issue date Oct 17, 2017
    • Mazda Motor Corporation
    • Masaki Fukuma
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method for producing an oil scraper piston ring

    • Patent number 9,638,321
    • Issue date May 2, 2017
    • FEDERAL-MOGUL BURSCHEID GMBH
    • Klaus Meyer
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Single-piece oil control ring

    • Patent number 9,574,663
    • Issue date Feb 21, 2017
    • Mahle Metal Leve S/A
    • André Ferrarese
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Oil control ring with ferrous body less than 2.0 millimeters high f...

    • Patent number 9,163,725
    • Issue date Oct 20, 2015
    • MAHLE Metal Leve S/A
    • Rémi Daniel Rabuté
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method for producing a piston ring

    • Patent number 9,132,517
    • Issue date Sep 15, 2015
    • Federal-Mogul Burscheid GmbH
    • Peter-Klaus Esser
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method for producing a piston ring

    • Patent number 9,085,056
    • Issue date Jul 21, 2015
    • Federal-Mogul Burscheid GmbH
    • Peter-Klaus Esser
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Piston ring for a piston of an internal combustion engine, and a me...

    • Patent number 9,067,286
    • Issue date Jun 30, 2015
    • Mahle International GmbH
    • Daniel Lopez
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method for producing a piston ring

    • Patent number 8,973,262
    • Issue date Mar 10, 2015
    • Federal-Mogul Burscheid GmbH
    • Johannes Esser
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    8955221

    • Patent number 8,955,221
    • Issue date Feb 17, 2015
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    OIL SCRAPER RING AND PISTON RING SET FOR AN INTERNAL COMBUSTION ENGINE

    • Publication number 20230296173
    • Publication date Sep 21, 2023
    • FEDERAL-MOGUL BURSCHEID GMBH
    • NIGEL GRAY
    • 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

    SCRAPER RING FOR A PISTON

    • Publication number 20220186833
    • Publication date Jun 16, 2022
    • Caterpillar Inc.
    • Adam Joseph CLUTE
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PISTON FOR AN INTERNAL COMBUSTION ENGINE

    • Publication number 20220034280
    • Publication date Feb 3, 2022
    • MAHLE International GmbH
    • Ulrich Bischofberger
    • 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

    PISTON FOR AN INTERNAL COMBUSTION ENGINE

    • Publication number 20210239214
    • Publication date Aug 5, 2021
    • Federal-Mogul Nurnberg GmbH
    • SVEN UNGERMANN
    • 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

    OIL SCRAPER PISTON RING

    • Publication number 20200141491
    • Publication date May 7, 2020
    • FEDERAL-MOGUL BURSCHEID GMBH
    • Peter SCHMIDT
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    METHOD FOR PRODUCING PISTON RING WITH RECESS

    • Publication number 20200080638
    • Publication date Mar 12, 2020
    • Nippon Piston Ring Co., Ltd.
    • Kazuhiro FUJIMURA
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    ONE PIECE OIL CONTROL RING FOR INTERNAL COMBUSTION ENGINE

    • Publication number 20200049252
    • Publication date Feb 13, 2020
    • Mahle - Metal Leve S/A
    • Gisela Ablas Marques
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ONE-PIECE OIL CONTROL RING

    • Publication number 20190154152
    • Publication date May 23, 2019
    • FEDERAL-MOGUL BURSCHEID GMBH
    • RICHARD MITTLER
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    COMPRESSION OIL CONTROL PISTON RING

    • Publication number 20190136976
    • Publication date May 9, 2019
    • FEDERAL-MOGUL BURSCHEID GMBH
    • RICHARD MITTLER
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MULTI-PIECE OIL RING

    • Publication number 20180363778
    • Publication date Dec 20, 2018
    • Nippon Piston Ring Co., Ltd.
    • Atsushi Chiba
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PISTON RING WITH VARYING APEX LINES

    • Publication number 20180274675
    • Publication date Sep 27, 2018
    • FEDERAL-MOGUL BURSCHEID GMBH
    • RICHARD MITTLER
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PISTON RING

    • Publication number 20180209540
    • Publication date Jul 26, 2018
    • FEDERAL-MOGULL BURSCHEID GMBH
    • JURGEN GILLEN
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PISTON ASSEMBLY

    • Publication number 20180038484
    • Publication date Feb 8, 2018
    • Honda Motor Co., Ltd.
    • Naokazu Kawase
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PISTON RING

    • Publication number 20180017159
    • Publication date Jan 18, 2018
    • Kabushiki Kaisha Riken
    • Masaaki FUJITA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    PROCESS FOR OBTAINING A PISTON RING AND INTERNAL COMBUSTION ENGINE

    • Publication number 20170327918
    • Publication date Nov 16, 2017
    • MAHLE METAL LEVE S/A
    • Paulo J. Da Rocha Mordente
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    OIL RING

    • Publication number 20170184198
    • Publication date Jun 29, 2017
    • Honda Motor Co., Ltd.
    • Naokazu Kawase
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    OIL SCRAPER PISTON RING AND METHOD FOR PRODUCING AN OIL SCRAPER PIS...

    • Publication number 20170016537
    • Publication date Jan 19, 2017
    • FEDERAL-MOGUL BURSCHEID GMBH
    • Dirk BAERENREUTER
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    WIPER

    • Publication number 20160305546
    • Publication date Oct 20, 2016
    • Carl Freudenberg KG
    • Kristian Mueller-Niehuus
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PISTON ASSEMBLY FOR A RECIPROCATING ENGINE

    • Publication number 20160040622
    • Publication date Feb 11, 2016
    • GENERAL ELECTRIC COMPANY
    • Richard John Donahue
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    SINGLE-PIECE OIL CONTROL RING

    • Publication number 20150292621
    • Publication date Oct 15, 2015
    • MAHLE METAL LEVE S/A
    • André Ferrarese
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PISTON RING FOR A PISTON OF AN INTERNAL COMBUSTION ENGINE, AND A ME...

    • Publication number 20140311437
    • Publication date Oct 23, 2014
    • MAHLE International GmbH
    • Daniel Lopez
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    OIL SCRAPER RING

    • Publication number 20140165826
    • Publication date Jun 19, 2014
    • FEDERAL-MOGUL BURSCHEID GMBH
    • Dirk Baerenreuter
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    COMPRESSION RING FOR AN ENGINE

    • Publication number 20140000549
    • Publication date Jan 2, 2014
    • Frank Matthew Graczyk
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    METHOD FOR PRODUCING A PISTON RING

    • Publication number 20130187340
    • Publication date Jul 25, 2013
    • FEDERAL-MOGUL BURSCHEID GMBH
    • Peter-Klaus Esser
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    METHOD FOR PRODUCING A PISTON RING

    • Publication number 20130187341
    • Publication date Jul 25, 2013
    • FEDERAL-MOGUL BURSCHEID GMBH
    • Johannes Esser
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    METHOD FOR PRODUCING A PISTON RING

    • Publication number 20130181411
    • Publication date Jul 18, 2013
    • FEDERAL-MOGUL BURSCHEID RING
    • Peter-Klaus Esser
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    MULTI-PIECE OIL RING

    • Publication number 20120261886
    • Publication date Oct 18, 2012
    • NIPPON PISTON RING CO., LTD.
    • Atsushi Chiba
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...