TREA

corrugated in the radial direction

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Industry

  • CPC
  • F16J9/067
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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

F16J9/067corrugated in the radial direction
Industries

Patents Grantslast 30 patents

  • 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

    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

    Combination oil ring
    • Patent number 9,784,369
    • Issue date Oct 10, 2017
    • TPR Co., Ltd.
    • Hironori Fujita
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Three-piece oil ring and combination of the three-piece oil ring an...
    • Patent number 7,854,191
    • Issue date Dec 21, 2010
    • Nippon Piston Ring Co., Ltd.
    • Tomotaka Kariya
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Combined steel oil control ring
    • Patent number 7,044,472
    • Issue date May 16, 2006
    • Nippon Piston Ring Co., Ltd.
    • Akira Takahashi
    • 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

    Four-piece oil seal
    • Patent number 6,161,468
    • Issue date Dec 19, 2000
    • Dana Corporation
    • Joseph C. Hamelink
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Oil ring assembly
    • Patent number 5,238,255
    • Issue date Aug 24, 1993
    • Sealed Power Technologies
    • Steven J. Sytsma
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • 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

    Combined oil ring assembly
    • Patent number 5,088,743
    • Issue date Feb 18, 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

    Combined oil ring assembly
    • Patent number 5,042,825
    • Issue date Aug 27, 1991
    • Kabushiki Kaisha Riken
    • Sumio Ono
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Three-piece oil-ring with a slot
    • Patent number 4,798,391
    • Issue date Jan 17, 1989
    • Toyota Jidosha Kabushiki Kaisha
    • Yorishige Maeda
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Spacer expander for piston rings
    • Patent number 4,762,329
    • Issue date Aug 9, 1988
    • Nippon Piston Ring Co., Ltd.
    • Takeo Kooroki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Oil ring structure having reduced rigidity
    • Patent number 4,722,535
    • Issue date Feb 2, 1988
    • Toyota Jidosha Kabushiki Kaisha
    • Yorishige Maeda
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Three-piece oil-ring with an inward protrusion
    • Patent number 4,659,093
    • Issue date Apr 21, 1987
    • Toyota Jidosha Kabushiki Kaisha
    • Yorishige Maeda
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • 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

    Corrugated expander for piston ring assembly
    • Patent number 4,542,907
    • Issue date Sep 24, 1985
    • Kabushiki Kaisha Riken
    • Ko Chiba
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Combined oil ring
    • Patent number 4,407,515
    • Issue date Oct 4, 1983
    • Nippon Piston Ring Co., Ltd.,
    • Yoshio Naito
    • 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 4,204,688
    • 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

    Axially and radially clamping spreader ring for an oil scraping pis...
    • Patent number 4,145,060
    • Issue date Mar 20, 1979
    • Goetze AG
    • Friedhelm Stecher
    • 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

    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

    Spacer-expander for a piston oil control ring
    • Patent number 4,053,164
    • Issue date Oct 11, 1977
    • Sealed Power Corporation
    • Lee H. Saylor
    • 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...
  • Information Patent Grant

    3834716
    • Patent number 3,834,716
    • Issue date Sep 10, 1974
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3831952
    • Patent number 3,831,952
    • Issue date Aug 27, 1974
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3778877
    • Patent number 3,778,877
    • Issue date Dec 18, 1973
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3759148
    • Patent number 3,759,148
    • Issue date Sep 18, 1973
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

  • 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

    THREE-PIECE OIL RING AND COMBINATION OF THE THREE-PIECE OIL RING AN...
    • Publication number 20090013866
    • Publication date Jan 15, 2009
    • NIPPON PISTON RING CO., LTD.
    • Tomotaka Kariya
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Three piece-combined oil ring
    • Publication number 20060061043
    • Publication date Mar 23, 2006
    • Kabushiki Kaisha Riken
    • Junya Takahashi
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    Oil-control ring of piston
    • Publication number 20060049583
    • Publication date Mar 9, 2006
    • C.T.I. Traffic Industries Co., Ltd.
    • Wan-Chieh Lu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Combined steel oil control ring
    • Publication number 20030090066
    • Publication date May 15, 2003
    • Akira Takahashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...