TREA

Spring expander with massive cross-section

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Industry

  • CPC
  • F16J9/065
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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

F16J9/065Spring expander with massive cross-section
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Combined oil control ring
    • Patent number 10,352,446
    • Issue date Jul 16, 2019
    • Kabushiki Kaisha Riken
    • Takayuki Ichikawa
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Combined oil control ring
    • Patent number 9,618,115
    • Issue date Apr 11, 2017
    • Kabushiki Kaisha Riken
    • Hiroyuki Yabune
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Oil scraper ring for pistons of internal combustion engines
    • Patent number 7,396,018
    • Issue date Jul 8, 2008
    • Mahle GmbH
    • Rolf-Gerhard Fiedler
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Oil sealing ring
    • Patent number 6,419,234
    • Issue date Jul 16, 2002
    • Xiuming Yu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Three-piece type oil ring assembly
    • Patent number 5,193,820
    • Issue date Mar 16, 1993
    • Nippon Piston Ring Co., Ltd.
    • Takeji Tsuchiya
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Two-piece type oil ring assembly
    • Patent number 5,052,698
    • Issue date Oct 1, 1991
    • Nippon Piston Ring Co., Ltd.
    • Tsutomu Kimura
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Piston construction
    • Patent number 4,079,661
    • Issue date Mar 21, 1978
    • Caterpillar Tractor Co.
    • Alexander Goloff
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3400941
    • Patent number 3,400,941
    • Issue date Sep 10, 1968
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3191946
    • Patent number 3,191,946
    • Issue date Jun 29, 1965
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2893799
    • Patent number 2,893,799
    • Issue date Jul 7, 1959
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2882108
    • Patent number 2,882,108
    • Issue date Apr 14, 1959
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2600745
    • Patent number 2,600,745
    • Issue date Jun 17, 1952
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2589154
    • Patent number 2,589,154
    • Issue date Mar 11, 1952
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2551878
    • Patent number 2,551,878
    • Issue date May 8, 1951
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2446224
    • Patent number 2,446,224
    • Issue date Aug 3, 1948
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2410177
    • Patent number 2,410,177
    • Issue date Oct 29, 1946
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2400109
    • Patent number 2,400,109
    • Issue date May 14, 1946
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2397220
    • Patent number 2,397,220
    • Issue date Mar 26, 1946
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2391134
    • Patent number 2,391,134
    • Issue date Dec 18, 1945
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2291523
    • Patent number 2,291,523
    • Issue date Jul 28, 1942
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2252199
    • Patent number 2,252,199
    • Issue date Aug 12, 1941
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2229107
    • Patent number 2,229,107
    • Issue date Jan 21, 1941
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2212042
    • Patent number 2,212,042
    • Issue date Aug 20, 1940
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2154342
    • Patent number 2,154,342
    • Issue date Apr 11, 1939
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2034770
    • Patent number 2,034,770
    • Issue date Mar 24, 1936
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    1699454
    • Patent number 1,699,454
    • Issue date Jan 15, 1929
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    1581053
    • Patent number 1,581,053
    • Issue date Apr 13, 1926
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    COMBINED OIL CONTROL RING
    • Publication number 20170350508
    • Publication date Dec 7, 2017
    • Kabushiki Kaisha Riken
    • Takayuki ICHIKAWA
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Application

    COMBINED OIL CONTROL RING
    • Publication number 20150167844
    • Publication date Jun 18, 2015
    • Kabushiki Kaisha Riken
    • Hiroyuki YABUNE
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...