TREA

having collapsible steps comprising a hinge in their central part

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  • CPC
  • E06C1/3835
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Parent Industries

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

Current Industry

E06C1/3835having collapsible steps comprising a hinge in their central part
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Collapsible ladder
    • Patent number 11,187,037
    • Issue date Nov 30, 2021
    • Eddie Rafii
    • 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

    Vehicle sleeper compartment bunk bed ladder
    • Patent number 6,874,597
    • Issue date Apr 5, 2005
    • International Truck Intellectual Property Company, L.L.C.
    • Matthew E. Buchanan
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Ladder with side support enhancement
    • Patent number 6,866,119
    • Issue date Mar 15, 2005
    • Edward Zheng
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Foldable ladder
    • Patent number 6,802,393
    • Issue date Oct 12, 2004
    • Edward Zheng
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Multi-fold collapsible ladder
    • Patent number 6,769,515
    • Issue date Aug 3, 2004
    • Cosco Management, Inc.
    • Luke Hillebrecht
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Vehicle sleeper compartment bunk bed ladder
    • Patent number 6,578,905
    • Issue date Jun 17, 2003
    • International Truck Intellectual Property Company, L.L.C.
    • Matthew Buchanan
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Automatic blockading system device for ladders or folding portable...
    • Patent number 5,685,394
    • Issue date Nov 11, 1997
    • Bruce Norman Unwin Simson
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Bidirectionally foldable step ladder
    • Patent number 5,195,610
    • Issue date Mar 23, 1993
    • Wan Li Chang
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Locking device for bidirectionally foldable step ladders
    • Patent number 5,170,862
    • Issue date Dec 15, 1992
    • Wan-Li Chang
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Brace fastener for a folding ladder
    • Patent number 5,163,533
    • Issue date Nov 17, 1992
    • Ching-Tsai Lin
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Bidirectionally foldable step ladder
    • Patent number 5,158,151
    • Issue date Oct 27, 1992
    • Wan-Li Chang
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Foldable ladder
    • Patent number 4,998,599
    • Issue date Mar 12, 1991
    • Tzann D. Wang
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Foldable ladder
    • Patent number 4,842,099
    • Issue date Jun 27, 1989
    • Emil Freiwald
    • Dieter Collet
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Ladder and method of using ladder for escape
    • Patent number 4,750,587
    • Issue date Jun 14, 1988
    • McAllister; William A.
    • William A. McAllister
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Folding ladder with three stiles
    • Patent number 4,618,027
    • Issue date Oct 21, 1986
    • Castilia S.p.A.
    • Giancarlo Piretti
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Foldable stepladder
    • Patent number 4,569,419
    • Issue date Feb 11, 1986
    • Stoltz; Denyse
    • Gerard Stoltz
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Folding ladder
    • Patent number 4,560,030
    • Issue date Dec 24, 1985
    • Metarplastic S.p.A.
    • Aldo Mucelli
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Foldable ladder
    • Patent number 4,428,458
    • Issue date Jan 31, 1984
    • Turbo Inc.
    • Joseph Fiore
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Ladder
    • Patent number 4,202,428
    • Issue date May 13, 1980
    • Inventec International Limited
    • Ronald P. Hickman
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Foldable ladder
    • Patent number 4,016,954
    • Issue date Apr 12, 1977
    • Inventec International Limited
    • Ronald Price Hickman
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Ladder
    • Patent number 3,978,944
    • Issue date Sep 7, 1976
    • Inventec International Limited
    • Ronald P. Hickman
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    3142355
    • Patent number 3,142,355
    • Issue date Jul 28, 1964
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    3084760
    • Patent number 3,084,760
    • Issue date Apr 9, 1963
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    2981364
    • Patent number 2,981,364
    • Issue date Apr 25, 1961
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    2670120
    • Patent number 2,670,120
    • Issue date Feb 23, 1954
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    2088878
    • Patent number 2,088,878
    • Issue date Aug 3, 1937
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    1772213
    • Patent number 1,772,213
    • Issue date Aug 5, 1930
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    1579574
    • Patent number 1,579,574
    • Issue date Apr 6, 1926
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    1550356
    • Patent number 1,550,356
    • Issue date Aug 18, 1925
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

Patents Applicationslast 30 patents

  • Information Patent Application

    FOLDABLE LADDER
    • Publication number 20230392442
    • Publication date Dec 7, 2023
    • ZHEJIANG KING CHANCE CO., LTD.
    • Xiaofei PAN
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    LADDER
    • Publication number 20230119062
    • Publication date Apr 20, 2023
    • JIANGSU ZHOU JIJIE INTELLIGENT TECHNOLOGY CO., LTD
    • Xuelin ZHU
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    TWO-STEP STEP STOOL
    • Publication number 20220349254
    • Publication date Nov 3, 2022
    • JIANGSU ZHOU JIJIE INTELLIGENT TECHNOLOGY CO., LTD
    • Xuelin ZHU
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    COLLAPSIBLE LADDER
    • Publication number 20200263495
    • Publication date Aug 20, 2020
    • Eddie Rafii
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Retractable Deer Stand Ladder System
    • Publication number 20160281425
    • Publication date Sep 29, 2016
    • Sean H. Connor
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Application

    TELESCOPING LADDER WITH STABILIZERS
    • Publication number 20160153232
    • Publication date Jun 2, 2016
    • CORE DISTRIBUTION, INC.
    • Mitchell I. Kieffer
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Multiple laddering system - the ultimate foldaway system
    • Publication number 20060213721
    • Publication date Sep 28, 2006
    • Mario Uttaro
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Ladder with side support enhancement
    • Publication number 20040154867
    • Publication date Aug 12, 2004
    • Edward Zheng
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Vehicle sleeper compartment bunk bed ladder
    • Publication number 20040026168
    • Publication date Feb 12, 2004
    • Matthew E. Buchanan
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Multi-fold collapsible ladder
    • Publication number 20040026173
    • Publication date Feb 12, 2004
    • Luke Hillebrecht
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Foldable ladder
    • Publication number 20030234140
    • Publication date Dec 25, 2003
    • Edward Zheng
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS