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J. Nigel Ellis

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  • Wilmington, DE, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Safety device for ladders
    • Patent number 9,540,875
    • Issue date Jan 10, 2017
    • J. Nigel Ellis
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Portable safety skylight replacement assembly
    • Patent number 8,316,611
    • Issue date Nov 27, 2012
    • J. Nigel Ellis
    • E04 - BUILDING
  • Information Patent Grant

    Portable safety ladder assembly
    • Patent number 8,251,179
    • Issue date Aug 28, 2012
    • James T. Anderson
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Portable safety skylight replacement assembly
    • Patent number 8,122,673
    • Issue date Feb 28, 2012
    • J. Nigel Ellis
    • E04 - BUILDING
  • Information Patent Grant

    Portable safety ladder assembly
    • Patent number 7,992,681
    • Issue date Aug 9, 2011
    • James T. Anderson
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Safety rail assembly
    • Patent number 7,527,461
    • Issue date May 5, 2009
    • J. Nigel Ellis
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Walk-through ladder
    • Patent number 6,619,428
    • Issue date Sep 16, 2003
    • J. Nigel Ellis
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Walk-through ladder
    • Patent number 6,347,685
    • Issue date Feb 19, 2002
    • J. Nigel Ellis
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Walk-through ladder
    • Patent number 6,095,283
    • Issue date Aug 1, 2000
    • J. Nigel Ellis
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Safety line shock absorber
    • Patent number 5,433,290
    • Issue date Jul 18, 1995
    • Research & Trading Corporation
    • J. N. Ellis
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Shock indicator for use on safety cables
    • Patent number 5,400,868
    • Issue date Mar 28, 1995
    • Research & Trading Corporation
    • J. N. Ellis
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Climbing aid and safety descent system
    • Patent number 4,538,703
    • Issue date Sep 3, 1985
    • Research & Trading Corporation
    • J. Nigel Ellis
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Climbing aid and safety descent device
    • Patent number 4,458,781
    • Issue date Jul 10, 1984
    • J. Nigel Ellis
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Fall protection device
    • Patent number 4,392,555
    • Issue date Jul 12, 1983
    • J. Nigel Ellis
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    SAFETY DEVICE FOR LADDERS
    • Publication number 20160215563
    • Publication date Jul 28, 2016
    • J. Nigel Ellis
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    PORTABLE SAFETY SKYLIGHT REPLACEMENT ASSEMBLY
    • Publication number 20120137604
    • Publication date Jun 7, 2012
    • J. Nigel Ellis
    • E04 - BUILDING
  • Information Patent Application

    PORTABLE SAFETY LADDER ASSEMBLY
    • Publication number 20110253478
    • Publication date Oct 20, 2011
    • James T. Anderson
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    SAFETY RAIL ASSEMBLY
    • Publication number 20090206314
    • Publication date Aug 20, 2009
    • J. Nigel Ellis
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    PORTABLE SAFETY SKYLIGHT REPLACEMENT ASSEMBLY
    • Publication number 20090107060
    • Publication date Apr 30, 2009
    • J. Nigel Ellis
    • E04 - BUILDING
  • Information Patent Application

    PORTABLE SAFETY LADDER ASSEMBLY
    • Publication number 20080202850
    • Publication date Aug 28, 2008
    • James T. Anderson
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Safety Rail Assembly
    • Publication number 20070114507
    • Publication date May 24, 2007
    • J. Nigel Ellis
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Walk-through ladder
    • Publication number 20030098201
    • Publication date May 29, 2003
    • J. Nigel Ellis
    • B60 - VEHICLES IN GENERAL