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Timothy J. Ledvina

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  • Ithaca, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    High strength and stiffness silent chain with improved noise
    • Patent number 7,803,080
    • Issue date Sep 28, 2010
    • BorgWarner Inc.
    • Timothy J. Ledvina
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Power transmission chain with ceramic joint components
    • Patent number 7,682,273
    • Issue date Mar 23, 2010
    • BorgWarner Inc.
    • Philip J. Mott
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Power transmission chain with ceramic joint components
    • Patent number 7,201,687
    • Issue date Apr 10, 2007
    • BorgWarner Inc.
    • Philip J. Mott
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Power transmission chain having links with lateral spacing elements
    • Patent number 7,048,665
    • Issue date May 23, 2006
    • BorgWarner Inc.
    • Tim J. Ledvina
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Randomized sprocket for roller chain
    • Patent number 6,155,943
    • Issue date Dec 5, 2000
    • BorgWarner Inc.
    • Timothy J. Ledvina
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sprocket assembly for a phased chain system
    • Patent number 5,980,406
    • Issue date Nov 9, 1999
    • Borg-Warner Automotive, Inc.
    • Philip J. Mott
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Roller chain link plate profile
    • Patent number 5,938,554
    • Issue date Aug 17, 1999
    • Borg-Warner Automotive, Inc.
    • Alan Moster
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Phased chain assemblies
    • Patent number 5,846,149
    • Issue date Dec 8, 1998
    • Borg-Warner Automotive, Inc.
    • Timothy J. Ledvina
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Phased chain assemblies
    • Patent number 5,816,967
    • Issue date Oct 6, 1998
    • Borg-Warner Automotive, Inc.
    • Timothy J. Ledvina
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Chain guide with tapered side rails
    • Patent number 5,779,582
    • Issue date Jul 14, 1998
    • Philip J. Mott
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Silent chain with raised link backs
    • Patent number 5,758,484
    • Issue date Jun 2, 1998
    • Borg-Warner Automotive, Inc.
    • Timothy J. Ledvina
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Single piece reinforced chain guide
    • Patent number 5,690,569
    • Issue date Nov 25, 1997
    • Borg-Warner Automotive, Inc.
    • Timothy J. Ledvina
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hydraulic tensioner with stop mechanism
    • Patent number 5,653,653
    • Issue date Aug 5, 1997
    • Borg-Warner Automotive, Inc.
    • Timothy J. Ledvina
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Phased chain assemblies
    • Patent number 5,562,557
    • Issue date Oct 8, 1996
    • Borg-Warner Automotive, Inc.
    • Timothy J. Ledvina
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Minimal pin projection roller chain
    • Patent number 5,507,697
    • Issue date Apr 16, 1996
    • Borg-Warner Automotive, Inc.
    • Timothy J. Ledvina
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Phased chain assemblies having links with a single toe
    • Patent number 5,470,282
    • Issue date Nov 28, 1995
    • Borg-Warner Automotive, Inc.
    • Timothy J. Ledvina
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Variable pitch silent chain
    • Patent number 5,453,059
    • Issue date Sep 26, 1995
    • Borg-Warner Automotive, Inc.
    • Stellios A. Avramidis
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Phased chain assemblies
    • Patent number 5,437,581
    • Issue date Aug 1, 1995
    • Borg-Warner Automotive, Inc.
    • Timothy J. Ledvina
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Phased chain assemblies
    • Patent number 5,427,580
    • Issue date Jun 27, 1995
    • Borg-Warner Automotive, Inc.
    • Timothy J. Ledvina
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Roller chain constructed with nylon rollers
    • Patent number 5,226,856
    • Issue date Jul 13, 1993
    • Borg-Warner Automotive Transmission & Engine Components Corporation
    • Nicholas A. Iacchetta
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Power transmission chain constructed with asymmetrical links
    • Patent number 5,154,674
    • Issue date Oct 13, 1992
    • Borg-Warner Automotive Transmission & Engine Components Corporation
    • Stellios A. Avramidis
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Camshaft with extra cam to increase the magnitude of torque pulsati...
    • Patent number 5,107,805
    • Issue date Apr 28, 1992
    • Borg-Warner Automotive Transmission & Engine Components Corporation
    • Roger P. Butterfield
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Power transmission chain
    • Patent number 4,832,668
    • Issue date May 23, 1989
    • Borg-Warner Corporation
    • Timothy J. Ledvina
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Silent chain and sprocket system
    • Patent number 4,758,210
    • Issue date Jul 19, 1988
    • Borg-Warner Automotive, Inc.
    • Timothy J. Ledvina
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Silent timing chain and sprocket system
    • Patent number 4,758,209
    • Issue date Jul 19, 1988
    • Borg-Warner Automotive, Inc.
    • Timothy J. Ledvina
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal chain-belt
    • Patent number 4,569,671
    • Issue date Feb 11, 1986
    • Borg-Warner Corporation
    • Timothy J. Ledvina
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal chain-belt
    • Patent number 4,512,754
    • Issue date Apr 23, 1985
    • Borg-Warner Corporation
    • Edward H. Cole
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Power transmission chain
    • Patent number 4,509,937
    • Issue date Apr 9, 1985
    • Borg-Warner Corporation
    • Timothy J. Ledvina
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Power transmission chain
    • Patent number 4,509,323
    • Issue date Apr 9, 1985
    • Borg-Warner Corporation
    • Timothy J. Ledvina
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Composite chain link assembly
    • Patent number 4,342,560
    • Issue date Aug 3, 1982
    • Borg-Warner Corporation
    • Timothy J. Ledvina
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents