TREA

of spring expanders

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  • CPC
  • F16J9/145
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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

F16J9/145of spring expanders
Industries

Patents Grantslast 30 patents

  • 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

    Joining support jig
    • Patent number 11,287,038
    • Issue date Mar 29, 2022
    • Honda Motor Co., Ltd.
    • Daisuke Kato
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Piston seal assembly with controlled leakage
    • Patent number 10,316,837
    • Issue date Jun 11, 2019
    • Westport Power Inc.
    • Timothy S. Coleman
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Oil-control ring for an internal combustion engine
    • Patent number 8,104,771
    • Issue date Jan 31, 2012
    • Mahle International GmbH
    • André Ferrarese
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Piston ring assembly
    • Patent number 7,429,047
    • Issue date Sep 30, 2008
    • Mahle Engine Components USA, Inc.
    • Daniel Wilkinson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Piston ring
    • Patent number 6,860,485
    • Issue date Mar 1, 2005
    • Nippon Piston Ring Co., Ltd.
    • Tetsuo Masuyama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Thin 3-piece oil ring
    • Patent number 6,267,384
    • Issue date Jul 31, 2001
    • Nippon Piston Ring Co., Ltd.
    • Masayuki Watari
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Antirotation structure for combined oil ring
    • Patent number 5,651,553
    • Issue date Jul 29, 1997
    • Teikoku Piston Ring Co., Ltd.
    • Masao Ishida
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Side and gap sealed oil ring
    • Patent number 5,603,512
    • Issue date Feb 18, 1997
    • Caterpillar Inc.
    • Keith E. Lawrence
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Side and gap sealed oil ring
    • Patent number 5,564,699
    • Issue date Oct 15, 1996
    • Caterpillar Inc.
    • Keith E. Lawrence
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Piston sealing ring having interlocking ends
    • Patent number 5,513,857
    • Issue date May 7, 1996
    • Aisin Seiki Kabushiki Kaisha
    • Tetsumi Watanabe
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Sealing assembly
    • Patent number 5,275,422
    • Issue date Jan 4, 1994
    • Leber Corporation
    • Frederick L. J. Rehfeld
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Substantially zero leakage path sealing assembly with expander void
    • Patent number 5,197,746
    • Issue date Mar 30, 1993
    • Leber Corporation
    • Frederick L. J. Rehfeld
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Substantially zero leakage path sealing assembly with zero degree b...
    • Patent number 5,193,821
    • Issue date Mar 16, 1993
    • Leber Corporation
    • Frederick L. J. Rehfeld
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Substantially zero leakage path sealing assembly with insulating me...
    • Patent number 5,147,094
    • Issue date Sep 15, 1992
    • Leber Corporation
    • Frederick L. J. Rehfeld
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Steel oil ring assembly
    • Patent number 5,129,661
    • Issue date Jul 14, 1992
    • Kabushiki Kaisha Riken
    • Sumio Ono
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Steel oil ring assembly
    • Patent number 5,087,055
    • Issue date Feb 11, 1992
    • Kabushiki Kaisha Riken
    • Sumio Ono
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Bi-directional substantially zero leakage path sealing assembly
    • Patent number 5,071,142
    • Issue date Dec 10, 1991
    • Leber Corporation
    • Frederick L. J. Rehfeld
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Substantially zero leakage path sealing assembly with additional li...
    • Patent number 5,028,055
    • Issue date Jul 2, 1991
    • Leber Corp.
    • Frederick L. J. Rehfeld
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Compound seal with pressure equalization aperture
    • Patent number 4,681,327
    • Issue date Jul 21, 1987
    • Societe Nationale d'Etude et de Construction de Moteurs d'Aviation "S.N.E.C.M...
    • Guy d'Agostino
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Method of manufacturing a radially corrugated expander-spacer for a...
    • Patent number 4,606,101
    • Issue date Aug 19, 1986
    • Nippon Piston Ring Co., Ltd.
    • Takeo Koroki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Piston ring seal with pressure distribution grooves
    • Patent number 4,592,559
    • Issue date Jun 3, 1986
    • Foster-Miller, Inc.
    • Andrew C. Harvey
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multiple seal stationary sealing ring
    • Patent number 4,268,046
    • Issue date May 19, 1981
    • Muskegon Piston Ring Company
    • Kenneth J. Nisper
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Oil control ring spacer-expander with improved slip latch
    • Patent number 4,204,688
    • Issue date May 27, 1980
    • Sealed Power Corporation
    • M. Lewis Davis
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Oil control ring spacer-expander with improved slip latch
    • Patent number 4,111,437
    • Issue date Sep 5, 1978
    • Sealed Power Corporation
    • Lee H. Saylor
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Stepped joint piston ring
    • Patent number 4,109,924
    • Issue date Aug 29, 1978
    • Chemprene, Inc.
    • Charles G. Stucke
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Piston ring spacer-expander with overlap-preventing expander joint
    • Patent number 4,059,278
    • Issue date Nov 22, 1977
    • Sealed Power Corporation
    • Lee H. Saylor
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Oil ring assembly
    • Patent number 3,955,823
    • Issue date May 11, 1976
    • Koppers Company, Inc.
    • Edward Frederick Willem
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Corrugated radial spacer expander for compound oil scraping rings
    • Patent number 3,934,886
    • Issue date Jan 27, 1976
    • Nippon Piston Ring Co., Ltd.
    • Syoji Okada
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3929342
    • Patent number 3,929,342
    • Issue date Dec 30, 1975
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    JOINING SUPPORT JIG
    • Publication number 20210285543
    • Publication date Sep 16, 2021
    • Honda Motor Co., Ltd.
    • Daisuke Kato
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    PISTON SEAL ASSEMBLY WITH CONTROLLED LEAKAGE
    • Publication number 20170146010
    • Publication date May 25, 2017
    • WESTPORT POWER INC.
    • Timothy S. Coleman
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    OIL SCRAPER RING FOR A PISTON OF AN INTERNAL COMBUSTION ENGINE
    • Publication number 20140251254
    • Publication date Sep 11, 2014
    • MAHLE International GmbH
    • Holger Franz
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Oil-control ring for an internal combustion engine
    • Publication number 20090250880
    • Publication date Oct 8, 2009
    • Andre Ferrarese
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Piston ring
    • Publication number 20030184023
    • Publication date Oct 2, 2003
    • Nippon Piston Ring Co., Ltd.
    • Tetsuo Masuyama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...