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Rings with special cross-section Oil-scraping rings

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  • F16J9/20
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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

F16J9/20Rings with special cross-section Oil-scraping rings
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Dual-peak static seal for hydraulic device
    • Patent number 12,196,324
    • Issue date Jan 14, 2025
    • Caterpillar Inc.
    • Ananda Sudhakar Ponnusamy
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Compression ring
    • Patent number 12,196,325
    • Issue date Jan 14, 2025
    • TPR CO., LTD.
    • Takashi Ozawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • 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 ring combination, and internal combustion engine
    • Patent number 12,092,222
    • Issue date Sep 17, 2024
    • TPR CO., LTD.
    • Akira Hikone
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Piston ring
    • Patent number 12,066,110
    • Issue date Aug 20, 2024
    • Bümach Engineering International B.V.
    • Josef Bueter
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Piston ring
    • Patent number 12,066,111
    • Issue date Aug 20, 2024
    • TPR CO., LTD.
    • Satoshi Minemura
    • 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

    Side rail and oil control ring comprising same
    • Patent number 11,994,219
    • Issue date May 28, 2024
    • Hiroyuki Yabune
    • 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 seal ring
    • Patent number 11,892,083
    • Issue date Feb 6, 2024
    • RTX Corporation
    • Liam P. Sullivan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • 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

    Oil scraper ring for a piston rod
    • Patent number 11,808,360
    • Issue date Nov 7, 2023
    • Hoerbiger Wien GmbH
    • Marian Janko-Grasslober
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Piston ring for engine and machining method of piston ring
    • Patent number 11,788,622
    • Issue date Oct 17, 2023
    • Mahle Automotive Technologies (China) Co., Ltd.
    • Wentao Jiang
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Combination piston and piston ring for reducing crevice volume
    • Patent number 11,773,974
    • Issue date Oct 3, 2023
    • LiquidPiston, Inc.
    • Nikolay Shkolnik
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Piston ring
    • Patent number 11,739,840
    • Issue date Aug 29, 2023
    • Nippon Piston Ring Co., Ltd.
    • Kyoichi Ikeya
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Oil wiper packing
    • Patent number 11,698,062
    • Issue date Jul 11, 2023
    • Burckhardt Compression AG
    • Norbert Feistel
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scraper ring
    • Patent number 11,692,543
    • Issue date Jul 4, 2023
    • GD ENERGY PRODUCTS, LLC
    • John Chase
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scraper ring assembly
    • Patent number 11,692,544
    • Issue date Jul 4, 2023
    • GD ENERGY PRODUCTS, LLC
    • John Chase
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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 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 seal with solid lubricant applicator
    • Patent number 11,619,303
    • Issue date Apr 4, 2023
    • Mainspring Energy, Inc.
    • Matt Svrcek
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Wire for piston ring, and manufacturing method of piston ring
    • Patent number 11,603,929
    • Issue date Mar 14, 2023
    • TPR CO., LTD.
    • Atsushi Nakazawa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • 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 and piston ring/piston combination with improved wear p...
    • Patent number 11,578,799
    • Issue date Feb 14, 2023
    • Federal-Mogul Burscheid GmbH
    • Fabian Ruch
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Steel piston with optimized design
    • Patent number 11,566,581
    • Issue date Jan 31, 2023
    • KS Kolbenschmidt GmbH
    • Emmerich Ottliczky
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • 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 ring and piston with internal groove sealing
    • Patent number 11,493,129
    • Issue date Nov 8, 2022
    • Federal-Mogul Burscheid GmbH
    • Richard Mittler
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Side rail
    • Patent number 11,448,317
    • Issue date Sep 20, 2022
    • Kabushiki Kaisha Riken
    • Yasuhiro Iwata
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    DUAL-PEAK STATIC SEAL FOR HYDRAULIC DEVICE
    • Publication number 20250020208
    • Publication date Jan 16, 2025
    • Caterpillar Inc.
    • Ananda Sudhakar Ponnusamy
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PISTON RING
    • Publication number 20240418262
    • Publication date Dec 19, 2024
    • MAHLE Automotive Technologies (China) Co., Ltd.
    • Shaobo Zeng
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Compression Ring Having Butt Seal, and Method
    • Publication number 20240376982
    • Publication date Nov 14, 2024
    • FEDERAL-MOGUL BURSCHEID GMBH
    • Peter Schmidt
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SPLIT PISTON RING UNIT
    • Publication number 20240376981
    • Publication date Nov 14, 2024
    • MAHLE International GmbH
    • Petru M. Berghian
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    INTERNAL COMBUSTION ENGINE WITH MEANS FOR CONDENSATION FLUID REMOVAL
    • Publication number 20240271587
    • Publication date Aug 15, 2024
    • Cornelis Margaretha Maria Nicolaas Rombouts
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Piston Ring
    • Publication number 20240263699
    • Publication date Aug 8, 2024
    • TPR CO., LTD.
    • Satoshi Minemura
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Piston Ring Combination, and Internal Combustion Engine
    • Publication number 20240263700
    • Publication date Aug 8, 2024
    • TPR CO., LTD.
    • Akira Hikone
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PISTON RING WITH VARIABLE PRESSURE RELIEF
    • Publication number 20240229933
    • Publication date Jul 11, 2024
    • FEDERAL-MOGUL BURSCHEID GMBH
    • Döndü Karabel
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEAL ASSEMBLY WITH ANTI-ROTATION FEATURE
    • Publication number 20240209942
    • Publication date Jun 27, 2024
    • Pratt & Whitney Canada Corp.
    • Martin Drolet
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • 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

    Compression Ring
    • Publication number 20240110625
    • Publication date Apr 4, 2024
    • TPR CO., LTD.
    • Takashi Ozawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SIDE RAIL AND OIL CONTROL RING COMPRISING SAME
    • Publication number 20240084894
    • Publication date Mar 14, 2024
    • Kabushiki Kaisha Riken
    • Hiroyuki YABUNE
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Combination Piston and Piston Ring for Reduction of Crevice Volume
    • Publication number 20240077137
    • Publication date Mar 7, 2024
    • LIQUIDPISTON, INC.
    • Nikolay Shkolnik
    • 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

    Piston Seal Ring
    • Publication number 20230323950
    • Publication date Oct 12, 2023
    • Raytheon Technologies Corporation
    • Liam P. Sullivan
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    PISTON RING
    • Publication number 20230304580
    • Publication date Sep 28, 2023
    • BÜMACH ENGINEERING INTERNATIONAL B.V.
    • Josef Bueter
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PISTON RING
    • Publication number 20230304579
    • Publication date Sep 28, 2023
    • BÜMACH ENGINEERING INTERNATIONAL B.V.
    • Josef Bueter
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • 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

    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

    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

    GAS ENERGIZED SEAL FOR GIFFORD-MCMAHON EXPANDER
    • Publication number 20230129966
    • Publication date Apr 27, 2023
    • Sumitomo (SHI) Cryogenics of America, Inc
    • Eric F. FINLAYSON
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    WEAR RING AND WEAR RING ARRANGEMENT
    • Publication number 20230120454
    • Publication date Apr 20, 2023
    • TRELLEBORG SEALING SOLUTIONS GERMANY GMBH
    • Gert Moelsted Iversen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Combination Piston and Piston Ring for Reducing Crevice Volume
    • Publication number 20230082408
    • Publication date Mar 16, 2023
    • LIQUIDPISTON, INC.
    • Nikolay Shkolnik
    • 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

    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

    SCRAPER RING
    • Publication number 20220163031
    • Publication date May 26, 2022
    • GD ENERGY PRODUCTS LLC
    • John Chase
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCRAPER RING ASSEMBLY
    • Publication number 20220163032
    • Publication date May 26, 2022
    • GD ENERGY PRODUCTS LLC
    • John Chase
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PISTON RING FOR ENGINE AND MACHINING METHOD OF PISTON RING
    • Publication number 20220145989
    • Publication date May 12, 2022
    • MAHLE Automotive Technologies (China) Co., Ltd.
    • Wentao Jiang
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...