TREA

Roger L. Johnston

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  • Muskego, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pivoting axle wheeled mobile gantry
    • Patent number 10,301,153
    • Issue date May 28, 2019
    • J & R Engineering Company, Inc.
    • Roger L. Johnston
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Extendible boom with locking mechanism having equalizer arrangement
    • Patent number 6,685,038
    • Issue date Feb 3, 2004
    • J & R Engineering Company, Inc.
    • Kevin L. Johnston
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Hydraulic boom for gantry or the like
    • Patent number 6,330,951
    • Issue date Dec 18, 2001
    • J&R Engineering Company, Inc.
    • Roger L. Johnston
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Cask transporter
    • Patent number 6,328,524
    • Issue date Dec 11, 2001
    • J & R Engineering Company, Inc.
    • Roger L. Johnston
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Cask transporter
    • Patent number 6,017,181
    • Issue date Jan 25, 2000
    • J&R Engineering Co., Inc.
    • Roger L. Johnston
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Dual beam header connector plate
    • Patent number 6,010,019
    • Issue date Jan 4, 2000
    • J & R Engineering Company, Inc.
    • Roger L. Johnston
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Hydraulic boom for gantry and the like
    • Patent number 5,865,327
    • Issue date Feb 2, 1999
    • J & R Engineering Co., Inc.
    • Roger L. Johnston
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Cask transporter with bottom lift capability
    • Patent number 5,839,874
    • Issue date Nov 24, 1998
    • J & R Engineering Co.
    • Roger L. Johnston
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Gantry stabilizer
    • Patent number 5,360,123
    • Issue date Nov 1, 1994
    • J&R Engineering Company, Inc.
    • Roger L. Johnston
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Control system for mobile self-propelled aerial lift
    • Patent number 4,160,492
    • Issue date Jul 10, 1979
    • Simon-Krause, Inc.
    • Roger L. Johnston
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Outrigger system for vehicles
    • Patent number 4,027,801
    • Issue date Jun 7, 1977
    • Bucyrus-Erie Company
    • Roger L. Johnston
    • B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

  • Information Patent Application

    PIVOTING AXLE WHEELED MOBILE GANTRY
    • Publication number 20170081155
    • Publication date Mar 23, 2017
    • J & R Engineering Company, Inc.
    • Roger L. Johnston
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    Triangulated mobile gantry crane
    • Publication number 20030161708
    • Publication date Aug 28, 2003
    • Roger L. Johnston
    • B66 - HOISTING LIFTING HAULING