the members being exclusively poles, rods, beams, or other members of similar form and simple cross-section

Patents Grantslast 30 patents

  • Information Patent Grant

    Collapsible utility scaffold

    • Patent number 11,846,107
    • Issue date Dec 19, 2023
    • GRADY F. SMITH & CO., INC.
    • Grady F. Smith
    • E04 - BUILDING
  • Information Patent Grant

    Work platform with latch assembly and method

    • Patent number 11,808,048
    • Issue date Nov 7, 2023
    • Werner Co.
    • Steve Woodward
    • E04 - BUILDING
  • Information Patent Grant

    Enhanced safety cage apparatus for work areas on top of rolling sto...

    • Patent number 11,649,648
    • Issue date May 16, 2023
    • Sam Carbis Asset Management, LLC
    • Eric Anderson
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Coupling system

    • Patent number 11,542,715
    • Issue date Jan 3, 2023
    • Kingsmead Developments (SW) Limited
    • Stephen John Matthews
    • E04 - BUILDING
  • Information Patent Grant

    Modified ledger and modular scaffold system with continuous work su...

    • Patent number 11,255,095
    • Issue date Feb 22, 2022
    • AT-PAC CHINA BUSINESS TRUST
    • Peter Rogers
    • E04 - BUILDING
  • Information Patent Grant

    Scaffold ledger

    • Patent number 11,208,815
    • Issue date Dec 28, 2021
    • AT-PAC CHINA BUSINESS TRUST
    • Peter Rogers
    • E04 - BUILDING
  • Information Patent Grant

    Scaffold with latch assembly and method

    • Patent number 10,435,894
    • Issue date Oct 8, 2019
    • Werner Co.
    • Steve Woodward
    • E04 - BUILDING
  • Information Patent Grant

    Scaffold system

    • Patent number 9,556,624
    • Issue date Jan 31, 2017
    • Utility Service Co., Inc.
    • Pierce Law
    • E04 - BUILDING
  • Information Patent Grant

    Plumb post apparatus having bipod legs and method of use thereof

    • Patent number 8,079,155
    • Issue date Dec 20, 2011
    • Reginald Dumas
    • E04 - BUILDING
  • Information Patent Grant

    Efficient cooler

    • Patent number 6,856,510
    • Issue date Feb 15, 2005
    • Wai Kwan Cheung
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    High shear strength pultrusion

    • Patent number 5,795,424
    • Issue date Aug 18, 1998
    • Ebert Composites Corporation
    • David W. Johnson
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    High shear strength pultrusion

    • Patent number 5,597,629
    • Issue date Jan 28, 1997
    • Ebert Composites Corporation
    • David W. Johnson
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Scaffold system

    • Patent number 5,560,730
    • Issue date Oct 1, 1996
    • Scaffold Connection Corporation
    • Raymond W. Gillard
    • E04 - BUILDING
  • Information Patent Grant

    Interlocking joint with notch reinforcement

    • Patent number 5,285,612
    • Issue date Feb 15, 1994
    • David W. Johnson
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Tower constructed of pultruded composites

    • Patent number 5,247,774
    • Issue date Sep 28, 1993
    • David W. Johnson
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Pole structure

    • Patent number 5,222,344
    • Issue date Jun 29, 1993
    • David W. Johnson
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Tower constructed of pultruded composites

    • Patent number 5,197,818
    • Issue date Mar 30, 1993
    • David W. Johnson
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Interlocking support structures

    • Patent number 5,024,036
    • Issue date Jun 18, 1991
    • David W. Johnson
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Support stand

    • Patent number 4,991,726
    • Issue date Feb 12, 1991
    • David W. Johnson
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Scaffolding constructions

    • Patent number 3,955,644
    • Issue date May 11, 1976
    • Kwikform Limited
    • Raymond Ernest Steele
    • E04 - BUILDING

Patents Applicationslast 30 patents