TREA

obtained by stacking of rings

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Industry

  • CPC
  • F16J9/16
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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

F16J9/16obtained by stacking of rings
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Piston ring arrangement, piston compressor and method for sealing a...
    • Patent number 12,222,037
    • Issue date Feb 11, 2025
    • Burckhardt Compression AG
    • David Flood
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Piston ring for a piston compressor
    • Patent number 12,209,670
    • Issue date Jan 28, 2025
    • Burckhardt Compression AG
    • Norbert Feistel
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sealing ring assemblies configured for pressure locking
    • Patent number 12,188,457
    • Issue date Jan 7, 2025
    • Mainspring Energy, Inc.
    • Matt Svrcek
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Piston sealing ring assemblies
    • Patent number 12,078,250
    • Issue date Sep 3, 2024
    • Mainspring Energy, Inc.
    • Matt Svrcek
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Piston ring
    • Patent number 12,038,089
    • Issue date Jul 16, 2024
    • Toyota Jidosha Kabushiki Kaisha
    • Takashi Koyama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Reinforced sealing rings
    • Patent number 11,746,904
    • Issue date Sep 5, 2023
    • Mainspring Energy, Inc.
    • Matt Svrcek
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • 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

    Piston sealing ring assemblies
    • Patent number 11,346,445
    • Issue date May 31, 2022
    • Mainspring Energy, Inc.
    • Matt Svrcek
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Piston ring and compressor
    • Patent number 11,346,332
    • Issue date May 31, 2022
    • Kobe Steel, Ltd.
    • Naofumi Kanei
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Cryogenic piston ring improvement
    • Patent number 11,326,694
    • Issue date May 10, 2022
    • ACD, LLC
    • Joshua Wayne Steffen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Piston-integrated gap cover
    • Patent number 11,236,827
    • Issue date Feb 1, 2022
    • Mainspring Energy, Inc.
    • Matt Svrcek
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Reinforced sealing rings
    • Patent number 11,193,588
    • Issue date Dec 7, 2021
    • Mainspring Energy, Inc.
    • Matt Svrcek
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Firearm systems and methods
    • Patent number 11,137,222
    • Issue date Oct 5, 2021
    • ArmWest, LLC
    • Leroy James Sullivan
    • F41 - WEAPONS
  • Information Patent Grant

    Reinforced sealing rings
    • Patent number 10,731,759
    • Issue date Aug 4, 2020
    • Mainspring Energy, Inc.
    • Matt Svrcek
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    EGR valve including seal ring
    • Patent number 10,704,507
    • Issue date Jul 7, 2020
    • Denso Corporation
    • Satoshi Ishigaki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Piston-integrated gap cover
    • Patent number 10,465,795
    • Issue date Nov 5, 2019
    • EtaGen, Inc.
    • Matt Svrcek
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sealing ring assemblies configured for pressure locking
    • Patent number 10,443,727
    • Issue date Oct 15, 2019
    • EtaGen, Inc.
    • Matt Svrcek
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Piston sealing ring assemblies
    • Patent number 10,436,322
    • Issue date Oct 8, 2019
    • EtaGen, Inc.
    • Matt Svrcek
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Firearm systems and methods
    • Patent number 10,415,906
    • Issue date Sep 17, 2019
    • ArmWest, LLC
    • Leroy James Sullivan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Piston ring assembly
    • Patent number 10,041,593
    • Issue date Aug 7, 2018
    • Hamilton Sundstrand Corporation
    • Scott W. Simpson
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Two-part stationary ring for devices having pistons
    • Patent number 9,541,198
    • Issue date Jan 10, 2017
    • EcoMotors, Inc.
    • Peter Hofbauer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Firearm systems and methods
    • Patent number 9,488,423
    • Issue date Nov 8, 2016
    • Arm West, LLC
    • Leroy James Sullivan
    • F41 - WEAPONS
  • Information Patent Grant

    Firearm
    • Patent number 9,038,525
    • Issue date May 26, 2015
    • ArmWest, LLC
    • Leroy James Sullivan
    • F41 - WEAPONS
  • Information Patent Grant

    Seal arrangement
    • Patent number 8,985,588
    • Issue date Mar 24, 2015
    • Burckhardt Compression AG
    • Norbert Feistel
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Oil-reserving piston ring
    • Patent number 8,827,277
    • Issue date Sep 9, 2014
    • Zengli Yang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Wear-compensating sealing ring assembly
    • Patent number 8,807,571
    • Issue date Aug 19, 2014
    • Air Products and Chemicals, Inc.
    • David Jonathan Chalk
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Two-piece compression piston ring of an internal combustion engine
    • Patent number 8,555,850
    • Issue date Oct 15, 2013
    • GM Global Technology Operations LLC
    • Zheng Ma
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Two-piece sealing device
    • Patent number 8,234,786
    • Issue date Aug 7, 2012
    • Garlock Sealing Technologies LLC
    • James W. Suggs, III
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Durable piston and a ring unit for the durable piston
    • Patent number 8,141,476
    • Issue date Mar 27, 2012
    • Jehn-Feng Liour
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Two-piece sealing device
    • Patent number 7,766,340
    • Issue date Aug 3, 2010
    • Garlock Sealing Technologies LLC
    • James W. Suggs, III
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    PISTON SEALING RING ASSEMBLIES
    • Publication number 20250060035
    • Publication date Feb 20, 2025
    • Mainspring Energy, Inc.
    • Matt Svrcek
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • 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

    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

    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 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

    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

    PISTON RING
    • Publication number 20220403932
    • Publication date Dec 22, 2022
    • Toyota Jidosha Kabushiki Kaisha
    • Takashi KOYAMA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PISTON SEALING RING ASSEMBLIES
    • Publication number 20220356948
    • Publication date Nov 10, 2022
    • Mainspring Energy, Inc.
    • Matt Svrcek
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    REINFORCED SEALING RINGS
    • Publication number 20220074493
    • Publication date Mar 10, 2022
    • Mainspring Energy, Inc.
    • Matt Svrcek
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    PISTON RING AND COMPRESSOR
    • Publication number 20210156371
    • Publication date May 27, 2021
    • Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    • Naofumi KANEI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    REINFORCED SEALING RINGS
    • Publication number 20200362966
    • Publication date Nov 19, 2020
    • Mainspring Energy, Inc.
    • Matt Svrcek
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    COMBINED PISTON STRUCTURE FOR COMPRESSOR
    • Publication number 20200200271
    • Publication date Jun 25, 2020
    • Dongguan Hesheng Machinery & Electric Co., Ltd.
    • Fu Li
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    FIREARM SYSTEMS AND METHODS
    • Publication number 20200141674
    • Publication date May 7, 2020
    • Arm West, LLC.
    • Leroy James Sullivan
    • F41 - WEAPONS
  • Information Patent Application

    PISTON-INTEGRATED GAP COVER
    • Publication number 20200124175
    • Publication date Apr 23, 2020
    • EtaGen, Inc.
    • Matt Svrcek
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    SEALING RING ASSEMBLIES CONFIGURED FOR PRESSURE LOCKING
    • Publication number 20200011417
    • Publication date Jan 9, 2020
    • EtaGen, Inc.
    • Matt Svrcek
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PISTON SEALING RING ASSEMBLIES
    • Publication number 20190390770
    • Publication date Dec 26, 2019
    • EtaGen, Inc.
    • Matt Svrcek
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PISTON RING
    • Publication number 20190195363
    • Publication date Jun 27, 2019
    • Kabushiki Kaisha Riken
    • Hiroshi SHIMIZU
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PISTON-INTEGRATED GAP COVER
    • Publication number 20190049008
    • Publication date Feb 14, 2019
    • EtaGen, Inc.
    • Matt Svrcek
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PISTON SEALING RING ASSEMBLIES
    • Publication number 20190049009
    • Publication date Feb 14, 2019
    • EtaGen, Inc.
    • Matt Svrcek
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEALING RING ASSEMBLIES CONFIGURED FOR PRESSURE LOCKING
    • Publication number 20190049013
    • Publication date Feb 14, 2019
    • EtaGen, Inc.
    • Matt Svrcek
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    REINFORCED SEALING RINGS
    • Publication number 20190049012
    • Publication date Feb 14, 2019
    • EtaGen, Inc.
    • Matt Svrcek
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Firearm Systems and Methods
    • Publication number 20170045317
    • Publication date Feb 16, 2017
    • Arm West, LLC.
    • Leroy James Sullivan
    • F41 - WEAPONS
  • Information Patent Application

    Two-Part Stationary Ring for Devices Having Pistons
    • Publication number 20140298984
    • Publication date Oct 9, 2014
    • ECOMOTORS, INC.
    • Peter Hofbauer
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    Wear-Compensating Sealing Ring Assembly
    • Publication number 20140090554
    • Publication date Apr 3, 2014
    • Air Products and Chemicals, Inc.
    • David Jonathan Chalk
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEAL ARRANGEMENT
    • Publication number 20130154197
    • Publication date Jun 20, 2013
    • Norbert Feistel
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    OIL-RESERVING PISTON RING
    • Publication number 20130147124
    • Publication date Jun 13, 2013
    • Zengli Yang
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    TWO-PIECE COMPRESSION PISTON RING OF AN INTERNAL COMBUSTION ENGINE
    • Publication number 20130032119
    • Publication date Feb 7, 2013
    • GM GLOBAL TECHNOLOGY OPERATIONS LLC
    • Zheng Ma
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    FIREARM
    • Publication number 20120180648
    • Publication date Jul 19, 2012
    • ArmWest, LLC
    • Leroy James Sullivan
    • F41 - WEAPONS
  • Information Patent Application

    TWO-PIECE SEALING DEVICE
    • Publication number 20110089641
    • Publication date Apr 21, 2011
    • Garlock Sealing Technologies LLC
    • James W. Suggs, III
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MULTI-PART OIL SCRAPER RING FOR INTERNAL COMBUSTION ENGINES
    • Publication number 20100164182
    • Publication date Jul 1, 2010
    • Michael Hummel
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...