with rigid longitudinal member or members

Industry

  • CPC
  • E06C1/02
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ladder with wide rung

    • Patent number 12,110,742
    • Issue date Oct 8, 2024
    • Werner Co.
    • Daniel C. Mora
    • 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

    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

    Fiberglass reinforced plastic lightweight heavy-duty ladder and met...

    • Patent number 9,168,701
    • Issue date Oct 27, 2015
    • ABSS MANUFACTURING CO., INC.
    • Nasir U. Ahmed
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • 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

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

    LADDER SYSTEM FOR TRENCH SHORING

    • Publication number 20200003008
    • Publication date Jan 2, 2020
    • Klaus Stewering GmbH & Co. KG
    • Theo Heitkamp
    • 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

    Ladder, Wide Rung and Method

    • Publication number 20180163468
    • Publication date Jun 14, 2018
    • Daniel C. Mora
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Ladder Tie Off System

    • Publication number 20180051515
    • Publication date Feb 22, 2018
    • John Crawford
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Ladder

    • Publication number 20160215561
    • Publication date Jul 28, 2016
    • Black & Decker Inc.
    • Lauren M. Austin
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Floating Ladder

    • Publication number 20160090782
    • Publication date Mar 31, 2016
    • Paul J. C. Kwoka
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Application

    Fiberglass Reinforced Plastic Lightweight Heavy-Duty Ladder and Met...

    • Publication number 20160040479
    • Publication date Feb 11, 2016
    • ABSS MANUFACTURING CO., INC.
    • Nasir U. AHMED
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Ultra Lightweight Segmented Ladder/Bridge System Accessories

    • Publication number 20150164715
    • Publication date Jun 18, 2015
    • ALLRED & ASSOCIATES INC.
    • Jimmie B. Allred
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    LADDERS INCLUDING ROPE AND PULLEY SYSTEM AND FALL PROTECTION DEVICE

    • Publication number 20150075907
    • Publication date Mar 19, 2015
    • WING ENTERPRISES, INCORPORATED
    • N. Ryan Moss
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    ADJUSTABLE LADDERS, LADDER COMPONENTS AND RELATED METHODS

    • Publication number 20150068842
    • Publication date Mar 12, 2015
    • WING ENTERPRISES, INCORPORATED
    • N. Ryan Moss
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Retrogression Heat Treatment

    • Publication number 20150020927
    • Publication date Jan 22, 2015
    • Werner Co.
    • Richard M. Kelly
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    Fiberglass Reinforced Plastic Lightweight Heavy-Duty Ladder and Met...

    • Publication number 20140102830
    • Publication date Apr 17, 2014
    • Nasir U. Ahmed
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • 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

    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

    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