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with a connecting piece installed around the rung

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  • CPC
  • E06C7/087
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Parent Industries

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

Current Industry

E06C7/087with a connecting piece installed around the rung
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    In pool ladder assembly
    • Patent number 11,591,855
    • Issue date Feb 28, 2023
    • Frederick M. Pettit
    • E04 - BUILDING
  • Information Patent Grant

    Locking assembly for a telescoping ladder
    • Patent number 11,174,678
    • Issue date Nov 16, 2021
    • Core Distribution, Inc.
    • Mitchell I. Kieffer
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Ladder, wide rung and method
    • Patent number 10,876,355
    • Issue date Dec 29, 2020
    • Werner Co.
    • Daniel C. Mora
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Extendable / retractable ladder
    • Patent number 10,753,149
    • Issue date Aug 25, 2020
    • Core Distribution, Inc.
    • Mitchell I. Kieffer
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Ladder, wide rung and method
    • Patent number 10,151,144
    • Issue date Dec 11, 2018
    • Werner Co.
    • Daniel C. Mora
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Ladder with lights
    • Patent number 10,081,981
    • Issue date Sep 25, 2018
    • William Finegan
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Extendable / retractable ladder
    • Patent number 10,053,912
    • Issue date Aug 21, 2018
    • Core Distribution, Inc.
    • Mitchell I. Kieffer
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Locking joint for collapsible ladders and other structures
    • Patent number 9,879,480
    • Issue date Jan 30, 2018
    • Atlas Devices, LLC
    • Benjamin Gallup
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Dual-use modular carbon-fiber ladder and bridge
    • Patent number 9,359,817
    • Issue date Jun 7, 2016
    • Allred & Associates Inc.
    • Jimmie B. Allred
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Locking joint for collapsible ladders and other structures
    • Patent number 9,222,307
    • Issue date Dec 29, 2015
    • Atlas Devices, LLC
    • Benjamin Gallup
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Dual-use modular carbon-fiber ladder and bridge
    • Patent number 8,602,164
    • Issue date Dec 10, 2013
    • Allred & Associates Inc.
    • Jimmie B. Allred
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ultra lightweight segmented ladder/bridge system
    • Patent number 8,448,748
    • Issue date May 28, 2013
    • Allred & Associates, Inc.
    • Jimmie B. Allred
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Lambdoidal ladder
    • Patent number 8,381,875
    • Issue date Feb 26, 2013
    • New-Tec Integration (Xiamen) Co., Ltd.
    • Luhao Leng
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Method of forming a ladder
    • Patent number 7,854,869
    • Issue date Dec 21, 2010
    • Omnitek Partners LLC
    • Thomas Spinelli
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Ladder having expandable members
    • Patent number 7,530,429
    • Issue date May 12, 2009
    • Omnitek Partners LLC
    • Thomas Spinelli
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Rigidified step ladder
    • Patent number 7,108,103
    • Issue date Sep 19, 2006
    • Cosco Management, Inc.
    • Paul K. Meeker
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Ladder and method of construction
    • Patent number 5,427,198
    • Issue date Jun 27, 1995
    • Michael P. Walsh
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Ladder
    • Patent number 4,967,879
    • Issue date Nov 6, 1990
    • Zarges Leichtbau GmbH
    • Ulrich Klafs
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Process for formation of high strength aluminum ladder structures
    • Patent number 4,766,664
    • Issue date Aug 30, 1988
    • Alumax Extrusions, Inc.
    • Joseph C. Benedyk
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Apparatus and methods for making rail-to-rung joints for ladders an...
    • Patent number 4,656,721
    • Issue date Apr 14, 1987
    • R. D. Werner Co., Inc.
    • Richard L. Werner
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Fixing of ends of wood or reinforced plastic rungs into pultruded f...
    • Patent number 4,244,760
    • Issue date Jan 13, 1981
    • Francis C. Smith
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Ladder and method of construction therefor
    • Patent number 4,177,879
    • Issue date Dec 11, 1979
    • Emerson Electric Co.
    • William H. Frank
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    3776650
    • Patent number 3,776,650
    • Issue date Dec 4, 1973
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    3621936
    • Patent number 3,621,936
    • Issue date Nov 23, 1971
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    3528525
    • Patent number 3,528,525
    • Issue date Sep 15, 1970
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    3477120
    • Patent number 3,477,120
    • Issue date Nov 11, 1969
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3442548
    • Patent number 3,442,548
    • Issue date May 6, 1969
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3318413
    • Patent number 3,318,413
    • Issue date May 9, 1967
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    3042140
    • Patent number 3,042,140
    • Issue date Jul 3, 1962
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    3039186
    • Patent number 3,039,186
    • Issue date Jun 19, 1962
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    Ladder, Wide Rung and Method
    • Publication number 20210115732
    • Publication date Apr 22, 2021
    • Werner Co.
    • Daniel C. Mora
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    IN POOL LADDER ASSEMBLY
    • Publication number 20200378184
    • Publication date Dec 3, 2020
    • Frederick M. Pettit
    • 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

    LOCKING ASSEMBLY FOR A TELESCOPING LADDER
    • Publication number 20190136623
    • Publication date May 9, 2019
    • CORE DISTRIBUTION, INC.
    • Mitchell I. Kieffer
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Ladder, Wide Rung and Method
    • Publication number 20190100963
    • Publication date Apr 4, 2019
    • Werner Co.
    • Daniel C. Mora
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    EXTENDABLE / RETRACTABLE LADDER
    • Publication number 20190003254
    • Publication date Jan 3, 2019
    • CORE DISTRIBUTION, INC.
    • Mitchell I. Kieffer
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    Ultra Lightweight Segmented Ladder/Bridge System
    • Publication number 20140311830
    • Publication date Oct 23, 2014
    • Jimmie B. Allred
    • E04 - BUILDING
  • Information Patent Application

    Dual-Use Modular Carbon-Fiber Ladder and Bridge
    • Publication number 20140048207
    • Publication date Feb 20, 2014
    • ALLRED & ASSOCIATES INC.
    • Jimmie B. Allred
    • E04 - BUILDING
  • Information Patent Application

    ULTRA LIGHTWEIGHT SEGMENTED LADDER/BRIDGE SYSTEM ACCESSORIES
    • Publication number 20130161127
    • Publication date Jun 27, 2013
    • ALLRED & ASSOCIATES INC.
    • Jimmie B. Allred
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    LOCKING JOINT FOR COLLAPSIBLE LADDERS AND OTHER STRUCTURES
    • Publication number 20130037351
    • Publication date Feb 14, 2013
    • Atlas Devices, LLC
    • Benjamin Gallup
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Dual-Use Modular Carbon-Fiber Ladder and Bridge
    • Publication number 20120234464
    • Publication date Sep 20, 2012
    • ALLRED & ASSOCIATES, INC.
    • Jimmie B. Allred, III
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    ULTRA LIGHTWEIGHT SEGMENTED LADDER/BRIDGE SYSTEM
    • Publication number 20110209947
    • Publication date Sep 1, 2011
    • ALLRED & ASSOCIATES INC.
    • Jimmie B. Allred, III
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    LAMBDOIDAL LADDER
    • Publication number 20110024232
    • Publication date Feb 3, 2011
    • Luhao Leng
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    SECURING DEVICE FOR EXTENDING LADDER
    • Publication number 20100270106
    • Publication date Oct 28, 2010
    • MEI-HUA CHEN
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    ULTRA LIGHTWEIGHT SEGMENTED LADDER/BRIDGE SYSTEM
    • Publication number 20100163340
    • Publication date Jul 1, 2010
    • ALLRED & ASSOCIATES INC.
    • Jimmie B. Allred, III
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Method of Forming a Ladder
    • Publication number 20090218712
    • Publication date Sep 3, 2009
    • OMNITEK PARTNERS LLC
    • Thomas Spinelli
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Expanding devices and structures and methods therefore
    • Publication number 20060277860
    • Publication date Dec 14, 2006
    • Omnitek Partners LLC
    • Thomas Spinelli
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Expanding devices and structures and methods therefore
    • Publication number 20060278473
    • Publication date Dec 14, 2006
    • Omnitek Partners LLC
    • Thomas Spinelli
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Rigidified step ladder
    • Publication number 20040231920
    • Publication date Nov 25, 2004
    • Paul K. Meeker
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Rung ladder in composite material
    • Publication number 20010017233
    • Publication date Aug 30, 2001
    • GENEX S.r.I
    • Luca Panzeri
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS