TREA

Rungs comprising projecting tabs or flanges

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  • CPC
  • E06C7/084
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Parent Industries

EFIXED CONSTRUCTIONS E06Doors, windows, ladders E06CLADDERS E06C7/00Component parts, supporting parts, or accessories

Current Industry

E06C7/084Rungs comprising projecting tabs or flanges
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Composite rung for a ladder
    • Patent number 12,134,936
    • Issue date Nov 5, 2024
    • Werner Co.
    • Daniel C. Mora
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Attachments for a collapsible marine ladder
    • Patent number 11,180,222
    • Issue date Nov 23, 2021
    • Robin Sabow
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Mass tuned ladder rung and ladder formed therewith
    • Patent number 11,085,237
    • Issue date Aug 10, 2021
    • Caterpillar Inc.
    • Thomas A. Meyen
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Composite rung for a ladder and method
    • Patent number 10,760,335
    • Issue date Sep 1, 2020
    • Werner Co.
    • Daniel C. Mora
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ladder rung extension assembly
    • Patent number 10,487,579
    • Issue date Nov 26, 2019
    • INVENT 7, LLC
    • Arsenio Rodriguez
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Stepladders and related methods
    • Patent number 9,920,572
    • Issue date Mar 20, 2018
    • Wing Enterprises, Incorporated
    • N. Ryan Moss
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Ladder and a ladder tread
    • Patent number 9,157,275
    • Issue date Oct 13, 2015
    • New-Tec Integration (Xiamen) Co., Ltd.
    • Luhao Leng
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Ladderway system for underground raises
    • Patent number 9,038,775
    • Issue date May 26, 2015
    • HIRAM (WA) PTY LTD
    • Steven Peter Durkin
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Retrogression heat treatment
    • Patent number 8,857,037
    • Issue date Oct 14, 2014
    • Werner Co.
    • Richard M. Kelly
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Combination ladder, ladder components and methods of manufacturing...
    • Patent number 8,376,087
    • Issue date Feb 19, 2013
    • Wing Enterprises, Inc.
    • Newell Ryan Moss
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Blow molded plastic interconnection having a receiving section and...
    • Patent number 8,202,018
    • Issue date Jun 19, 2012
    • Confer Plastics, Inc.
    • Daid J. Lipniarski
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    A-frame ladder with a flexible gate/barrier
    • Patent number 8,191,682
    • Issue date Jun 5, 2012
    • Confer Plastics, Inc.
    • Daid J. Lipniarski
    • E04 - BUILDING
  • Information Patent Grant

    Combination ladder, ladder components and methods of manufacturing...
    • Patent number 8,069,948
    • Issue date Dec 6, 2011
    • Wing Enterprises, Inc.
    • Newell R. Moss
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Retrogression heat treatment
    • Patent number 7,996,978
    • Issue date Aug 16, 2011
    • Werner Co.
    • Richard M. Kelly
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Ladder assemblies
    • Patent number 7,424,933
    • Issue date Sep 16, 2008
    • Norman Miller
    • Yoram Weiss
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Motorized rungless ladder
    • Patent number 7,370,725
    • Issue date May 13, 2008
    • Gary R Dornfeld
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Combination ladder, ladder components and methods of manufacturing...
    • Patent number 7,364,017
    • Issue date Apr 29, 2008
    • Wing Enterprises, Inc.
    • Newell R. Moss
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Light weight ladder systems and methods
    • Patent number 7,086,499
    • Issue date Aug 8, 2006
    • Wing Enterprises, Inc.
    • Newell Ryan Moss
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Climbing steps for playground structure
    • Patent number 6,991,550
    • Issue date Jan 31, 2006
    • Playstar, Inc.
    • Brian K. Zeilinger
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Light weight ladder systems and methods
    • Patent number 6,866,117
    • Issue date Mar 15, 2005
    • Wing Enterprises, Inc.
    • Newell Ryan Moss
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Modular ladder with removable rungs
    • Patent number 6,668,975
    • Issue date Dec 30, 2003
    • Center Ridge Outdoors, L.L.C.
    • Timothy Scott Skipper
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Adjustable sawhorse
    • Patent number 6,209,683
    • Issue date Apr 3, 2001
    • Dale Roy Holtz
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Ladder including storage compartments
    • Patent number 5,971,102
    • Issue date Oct 26, 1999
    • Norma Brown
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Foldable ladder
    • Patent number 5,944,141
    • Issue date Aug 31, 1999
    • Gerald R. Kendall and Edward J. Green
    • Brian Kochan
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Portable hunting ladder
    • Patent number 4,991,690
    • Issue date Feb 12, 1991
    • John A. Woller
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Demountable boat ladder
    • Patent number 4,231,448
    • Issue date Nov 4, 1980
    • Svend O. Jensen
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Ladder constructions
    • Patent number 4,204,587
    • Issue date May 27, 1980
    • White Metal Rolling & Stamping Corp.
    • Clayton E. Larson
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Structural joint
    • Patent number 4,162,861
    • Issue date Jul 31, 1979
    • Daymond Limited
    • Robert Reid
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Method of joining a ladder rung to a ladder rail
    • Patent number 4,080,713
    • Issue date Mar 28, 1978
    • Robert John Reid
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Deformingly interlocked structural joint
    • Patent number 3,970,400
    • Issue date Jul 20, 1976
    • Reid; Robert John
    • Robert John Reid
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    RUNG WITH A FLARED BEADED JOINT
    • Publication number 20240125179
    • Publication date Apr 18, 2024
    • WERNER Co.
    • Patrick Michael McAuliffe
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Composite Rung for a Ladder and Method
    • Publication number 20210025231
    • Publication date Jan 28, 2021
    • Werner Co.
    • Daniel C. Mora
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SCAFFOLD STAIRWAY HAVING STEP HOLDERS
    • Publication number 20200407984
    • Publication date Dec 31, 2020
    • Peri GmbH
    • Julian Hellenschmidt
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    RUNG MOUNTING STRUCTURE USED FOR LADDER
    • Publication number 20200240208
    • Publication date Jul 30, 2020
    • Jiangsu Zhou Jijie Intelligent Technology Co.,Ltd
    • CHEN HUI ZHU
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Mass Tuned Ladder Rung And Ladder Formed Therewith
    • Publication number 20200199937
    • Publication date Jun 25, 2020
    • Caterpillar Inc.
    • Thomas A. Meyen
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    ATTACHMENTS FOR A COLLAPSIBLE MARINE LADDER
    • Publication number 20200039612
    • Publication date Feb 6, 2020
    • Robin Sabow
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    LADDER RUNG EXTENSION ASSEMBLY
    • Publication number 20190186202
    • Publication date Jun 20, 2019
    • Arsenio Rodriguez
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Wide Rung Cap, Ladder and Method
    • Publication number 20180179818
    • Publication date Jun 28, 2018
    • Chinmoy Banerjee
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    STEPLADDERS AND RELATED METHODS
    • Publication number 20140190768
    • Publication date Jul 10, 2014
    • WING ENTERPRISES, INCORPORATED
    • N. Ryan Moss
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    LADDERWAY SYSTEM FOR UNDERGROUND RAISES
    • Publication number 20120285771
    • Publication date Nov 15, 2012
    • HIRAM (WA) PTY LTD
    • Steven Peter Durkin
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    COMBINATION LADDER, LADDER COMPONENTS AND METHODS OF MANUFACTURING...
    • Publication number 20120160609
    • Publication date Jun 28, 2012
    • WING ENTERPRISES, INCORPORATED
    • Newell R. Moss
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Retrogression heat treatment
    • Publication number 20110283518
    • Publication date Nov 24, 2011
    • Richard M. Kelly
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    STEPLADDERS AND RELATED METHODS
    • Publication number 20100224445
    • Publication date Sep 9, 2010
    • WING ENTERPRISES, INCORPORATED
    • N. Ryan Moss
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    LADDER AND A LADDER TREAD
    • Publication number 20100170750
    • Publication date Jul 8, 2010
    • Luhao Leng
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Blow Molded Plastic Interconnection Having a Receiving Section and...
    • Publication number 20100044152
    • Publication date Feb 25, 2010
    • CONFER PLASTICS, INC.
    • Daid J. Lipniarski
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    A-Frame Ladder with a Flexible Gate/Barrier
    • Publication number 20100044153
    • Publication date Feb 25, 2010
    • CONFER PLASTICS, INC.
    • Daid J. Lipniarski
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    LADDER ASSEMBLIES
    • Publication number 20090200113
    • Publication date Aug 13, 2009
    • Yoram Weiss
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    COMBINATION LADDER, LADDER COMPONENTS AND METHODS OF MANUFACTURING...
    • Publication number 20080257645
    • Publication date Oct 23, 2008
    • WING ENTERPRISES, INC.
    • Newell R. Moss
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    MULTI-SECTION LADDER
    • Publication number 20080236949
    • Publication date Oct 2, 2008
    • Chen-Hsiung Lin
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Retrogression heat treatment
    • Publication number 20070266537
    • Publication date Nov 22, 2007
    • Werner Co.
    • Richard M. Kelly
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Convertible fiberglass ladder
    • Publication number 20050274571
    • Publication date Dec 15, 2005
    • Dennis Simpson
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Light weight ladder systems and methods
    • Publication number 20050145437
    • Publication date Jul 7, 2005
    • Newell Ryan Moss
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Stairway
    • Publication number 20050097835
    • Publication date May 12, 2005
    • Tsuyoshi Nishimoto
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Ladder support brace
    • Publication number 20050051386
    • Publication date Mar 10, 2005
    • Dennis Simpson
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Combination ladders, ladder components and methods of manufacturing...
    • Publication number 20040140156
    • Publication date Jul 22, 2004
    • Newell R. Moss
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Ladder assemblies
    • Publication number 20040129497
    • Publication date Jul 8, 2004
    • Yoram Weiss
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Modular ladder including removable rungs
    • Publication number 20040112676
    • Publication date Jun 17, 2004
    • Timothy S. Skipper
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Application

    Sectional modified step housing ladder with removable rungs
    • Publication number 20040035637
    • Publication date Feb 26, 2004
    • Timothy Scott Skipper
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Application

    Light weight ladder systems and methods
    • Publication number 20030188923
    • Publication date Oct 9, 2003
    • Newell Ryan Moss
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Modified modular ladder with removable rungs
    • Publication number 20030141147
    • Publication date Jul 31, 2003
    • Timothy Scott Skipper
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING