TREA

with tubular longitudinal members nested within each other

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  • CPC
  • E06C1/125
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Parent Industries

EFIXED CONSTRUCTIONS E06Doors, windows, ladders E06CLADDERS E06C1/00Ladders in general

Current Industry

E06C1/125with tubular longitudinal members nested within each other
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Ladder safety handrail
    • Patent number 12,037,849
    • Issue date Jul 16, 2024
    • Steve Mackey
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Telescopic ladder assembly
    • Patent number 11,441,354
    • Issue date Sep 13, 2022
    • Lampe Holding B.V.
    • Marcel Cornelis Hooiveld
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Maintenance cart with air filtration
    • Patent number 11,192,490
    • Issue date Dec 7, 2021
    • Abatement Technologies, Inc.
    • Blair Lawrence Harber
    • B60 - VEHICLES IN GENERAL
  • 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

    Retractable ladder
    • Patent number 11,142,949
    • Issue date Oct 12, 2021
    • NEW-TEC INTEGRATION (XIAMEN) CO., LTD.
    • Luhao Leng
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Telescoping ladder with a cascading collapse mechanism
    • Patent number 10,995,547
    • Issue date May 4, 2021
    • Core Distribution, Inc.
    • Mitchell I. Kieffer
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Ladder tube for a collapsible ladder
    • Patent number 10,961,777
    • Issue date Mar 30, 2021
    • Telesteps AB
    • Jens Bernhardsson
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Closure cover and extension ladder
    • Patent number 10,934,776
    • Issue date Mar 2, 2021
    • Minqing Zhou
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Telescopic ladder with retractable stabiliser bars
    • Patent number 10,808,460
    • Issue date Oct 20, 2020
    • TELETOWER.COM LIMITED
    • Richard Weston
    • 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

    Foldable ladder
    • Patent number 10,731,413
    • Issue date Aug 4, 2020
    • Core Distribution, Inc.
    • Mitchell I. Kieffer
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Rung for a collapsible ladder
    • Patent number 10,718,161
    • Issue date Jul 21, 2020
    • Telesteps AB
    • Jens Bernhardsson
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Maintenance cart with air filtration
    • Patent number 10,717,379
    • Issue date Jul 21, 2020
    • Abatement Technologies, Inc.
    • Blair Lawrence Harber
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Telescopic ladder assembly
    • Patent number 10,480,245
    • Issue date Nov 19, 2019
    • Lampe Holding B.V.
    • Caspar Bernard Lampe
    • E04 - BUILDING
  • Information Patent Grant

    Collapsible ladder
    • Patent number 10,435,946
    • Issue date Oct 8, 2019
    • Otto Martinus Nielsen
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Foldable ladder
    • Patent number 10,233,692
    • Issue date Mar 19, 2019
    • Core Distribution, Inc.
    • Mitchell I. Kieffer
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Extendable access device
    • Patent number 10,208,539
    • Issue date Feb 19, 2019
    • Michael Beard
    • E04 - BUILDING
  • Information Patent Grant

    Methods of operating maintenance carts with air filtration
    • Patent number 10,195,979
    • Issue date Feb 5, 2019
    • Abatement Technologies, Inc.
    • Blair Lawrence Harber
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Telescopic ladder assembly
    • Patent number 10,161,184
    • Issue date Dec 25, 2018
    • Lampe Holding B.V.
    • Caspar Bernard Lampe
    • 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

    Tubular access ladder and method
    • Patent number 9,863,187
    • Issue date Jan 9, 2018
    • Werner Co.
    • Thomas W. Parker
    • E04 - BUILDING
  • Information Patent Grant

    Extension ladder with cushions
    • Patent number 9,845,640
    • Issue date Dec 19, 2017
    • Dongguan Dinghan Aluminum Products Ltd.
    • Han-Tsung Chen
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Foldable ladder
    • Patent number 9,580,959
    • Issue date Feb 28, 2017
    • Core Distribution, Inc.
    • Mitchell I. Kieffer
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Maintenance cart with air filtration
    • Patent number 9,574,399
    • Issue date Feb 21, 2017
    • Abatement Technologies, Inc.
    • Blair Lawrence Harber
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Telescoping ladder with stabilizers
    • Patent number 9,416,591
    • Issue date Aug 16, 2016
    • Core Distribution, Inc.
    • Mitchell I. Kieffer
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Portable and adaptable platform
    • Patent number 9,404,305
    • Issue date Aug 2, 2016
    • Mark S. Messick
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Collapsible ladder
    • Patent number 9,347,263
    • Issue date May 24, 2016
    • TELETOWER.COM LIMITED
    • Richard Weston
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Telescopic loft ladder
    • Patent number 9,260,917
    • Issue date Feb 16, 2016
    • TELETOWER.COM LIMITED
    • Richard Weston
    • E04 - BUILDING
  • Information Patent Grant

    Tree climbing support
    • Patent number 9,151,112
    • Issue date Oct 6, 2015
    • Cal G. Niemela
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Center ladder member apparatus and method
    • Patent number 8,944,210
    • Issue date Feb 3, 2015
    • Vallery Industries, Inc.
    • Russell L. Sedlack
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents

  • Information Patent Application

    A DAMPING DEVICE AND AN ASYMMETRIC DAMPING BLOCK ADAPTED TO BE ARRA...
    • Publication number 20250043631
    • Publication date Feb 6, 2025
    • TELESTEPS AB
    • Rikard MATTSSON
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    ROOFTOP TENT ASSEMBLY FOR VEHICLES
    • Publication number 20250034899
    • Publication date Jan 30, 2025
    • Samuel MAY
    • E04 - BUILDING
  • Information Patent Application

    ROOFTOP TENT ASSEMBLY FOR VEHICLES
    • Publication number 20250034900
    • Publication date Jan 30, 2025
    • Samuel MAY
    • E04 - BUILDING
  • Information Patent Application

    LADDER SAFETY HANDRAIL
    • Publication number 20240003188
    • Publication date Jan 4, 2024
    • Steve MacKey
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    SAFETY ATTACHMENT FOR LADDERS
    • Publication number 20230070052
    • Publication date Mar 9, 2023
    • Tony Stone
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    LADDER SAFETY HANDRAIL
    • Publication number 20220259921
    • Publication date Aug 18, 2022
    • Steve MacKey
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    MAINTENANCE CART WITH AIR FILTRATION
    • Publication number 20220063477
    • Publication date Mar 3, 2022
    • Abatement Technologies, Inc.
    • Blair Lawrence Harber
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Climbing Product Having an Extendable Section Lock Assembly, and Me...
    • Publication number 20220034164
    • Publication date Feb 3, 2022
    • Werner Co.
    • Tek Lentine
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    A STABILISER SYSTEM FOR A COLLAPSIBLE LADDER
    • Publication number 20210381312
    • Publication date Dec 9, 2021
    • TELESTEPS AB
    • Rikard MATTSSON
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    EXTENSIBLE LADDER
    • Publication number 20210332643
    • Publication date Oct 28, 2021
    • DOREL HOME FURNISHINGS, INC.
    • Evan A. Brown
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Folding Ladder System
    • Publication number 20210324681
    • Publication date Oct 21, 2021
    • Byron Norman Ricketts
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Telescopic Ladder
    • Publication number 20210270086
    • Publication date Sep 2, 2021
    • Yuejin PAN
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    TELESCOPIC LADDER ROD UNIT
    • Publication number 20210156197
    • Publication date May 27, 2021
    • DONGGUAN CASA HOUSEWARES CO., LTD
    • Zhu JIN
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    MAINTENANCE CART WITH AIR FILTRATION
    • Publication number 20200298743
    • Publication date Sep 24, 2020
    • Abatement Technologies, Inc.
    • Blair Lawrence Harber
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Closure Cover and Extension Ladder
    • Publication number 20200173232
    • Publication date Jun 4, 2020
    • Minqing ZHOU
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    TELESCOPIC LADDER ASSEMBLY
    • Publication number 20190360269
    • Publication date Nov 28, 2019
    • Lampe Holding B.V.
    • Marcel Cornelis Hooiveld
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    TELESCOPIC LADDER WITH RETRACTABLE STABILISER BARS
    • Publication number 20190271192
    • Publication date Sep 5, 2019
    • TELETOWER.COM LIMITED
    • Richard Weston
    • 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

    STRETCHABLE LADDER
    • Publication number 20190136620
    • Publication date May 9, 2019
    • NEW-TEC INTEGRATION (XIAMEN) CO., LTD.
    • Luhao LENG
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    AN IMPROVED RUNG FOR A COLLAPSIBLE LADDER
    • Publication number 20190128064
    • Publication date May 2, 2019
    • TELESTEPS AB
    • Jens BERNHARDSSON
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    AN IMPROVED LADDER TUBE FOR A COLLAPSIBLE LADDER
    • Publication number 20190119985
    • Publication date Apr 25, 2019
    • TELESTEPS AB
    • Jens BERNHARDSSON
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Maintenance Cart with Air Filtration
    • Publication number 20190111827
    • Publication date Apr 18, 2019
    • Abatement Technologies, Inc.
    • Blair Lawrence Harber
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    FOLDABLE LADDER
    • Publication number 20190093428
    • Publication date Mar 28, 2019
    • CORE DISTRIBUTION, INC.
    • Mitchell I. Kieffer
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    TELESCOPIC LADDER ASSEMBLY
    • Publication number 20190071928
    • Publication date Mar 7, 2019
    • Lampe Holding B.V.
    • Caspar Bernard Lampe
    • E04 - BUILDING
  • Information Patent Application

    TELESCOPING LADDER WITH A CASCADING COLLAPSE MECHANISM
    • Publication number 20190055783
    • Publication date Feb 21, 2019
    • CORE DISTRIBUTION, INC.
    • Mitchell I. Kieffer
    • 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

    ADJUSTABLE LADDER DEVICE AND METHOD
    • Publication number 20180363371
    • Publication date Dec 20, 2018
    • Thomas Huckabay
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    COLLAPSIBLE LADDER
    • Publication number 20180340370
    • Publication date Nov 29, 2018
    • Otto Martinus NIELSEN
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    EXTENDABLE ACCESS DEVICE
    • Publication number 20180320444
    • Publication date Nov 8, 2018
    • Michael BEARD
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Tubular Access Ladder and Method
    • Publication number 20180128049
    • Publication date May 10, 2018
    • Werner Co.
    • Thomas W. Parker
    • E04 - BUILDING