by piston and cylinder, or equivalent means, operated by a pressure medium

Patents Grantslast 30 patents

  • Information Patent Grant

    Telescopic ladder system for a vehicle, and safety system and metho...

    • Patent number 11,970,907
    • Issue date Apr 30, 2024
    • ENTREPRISE CRC (2014) INC.
    • Keven Petitclerc
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Modular staircase

    • Patent number 11,814,193
    • Issue date Nov 14, 2023
    • Federal Express Corporation
    • Jacob W. Springer
    • E04 - BUILDING
  • Information Patent Grant

    Convertible ramp system and tactical vehicle incorporating a conver...

    • Patent number 11,634,948
    • Issue date Apr 25, 2023
    • Patriot3, Inc.
    • Charles Louis Fuqua
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Portable staircase

    • Patent number 11,591,854
    • Issue date Feb 28, 2023
    • MA Staircase LLC, Paracorp Incorporated
    • Torsten Leines
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Lifting and lowering device for construction machine

    • Patent number 11,414,831
    • Issue date Aug 16, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Hiroki Hamano
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Self-rescue system for large machines

    • Patent number 10,731,414
    • Issue date Aug 4, 2020
    • Komatsu Mining Germany GmbH
    • Jens Junghans
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Portable ladder system

    • Patent number 10,549,697
    • Issue date Feb 4, 2020
    • Robert G. Rolson
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Modular staircase

    • Patent number 10,532,827
    • Issue date Jan 14, 2020
    • Federal Express Corporation
    • Jacob W. Springer
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Closed-loop control system for controlling a device

    • Patent number 9,926,049
    • Issue date Mar 27, 2018
    • Lockheed Martin Corporation
    • Corey Fleischer
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Telescopic ladder for firefighting vehicle

    • Patent number 9,896,884
    • Issue date Feb 20, 2018
    • E-One, Inc.
    • James Salmi
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Access device

    • Patent number 9,447,638
    • Issue date Sep 20, 2016
    • Justoy Pty Ltd
    • Robert Ian Hedley
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Vehicle access system

    • Patent number 9,238,941
    • Issue date Jan 19, 2016
    • Barjoh Pty Ltd
    • Nathan John Ellement
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Retractable stair assembly for a truck or trailer

    • Patent number 9,022,405
    • Issue date May 5, 2015
    • Mac Trailer Manufacturing, Inc.
    • Scott A. Kibler
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Powered operator access system

    • Patent number 8,919,497
    • Issue date Dec 30, 2014
    • Caterpillar Inc.
    • Anthony M. Rund
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Retractable stairs for a truck or trailer

    • Patent number 8,678,411
    • Issue date Mar 25, 2014
    • Mac Trailer Manufacturing, Inc.
    • Scott A. Kibler
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Ladder storing apparatus for use with an emergency vehicle

    • Patent number 7,992,682
    • Issue date Aug 9, 2011
    • Michael Paul Ziaylek
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Retractable ladder assembly

    • Patent number 6,789,648
    • Issue date Sep 14, 2004
    • Cook Manufacturing Corporation
    • Gregory D. Cook
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Folding rail for a lifting truck

    • Patent number 5,634,529
    • Issue date Jun 3, 1997
    • Strato-Lift, Inc.
    • Anh M. Nguyen
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Ladder hinge and stabilizer therefor

    • Patent number 4,153,138
    • Issue date May 8, 1979
    • Allis-Chalmers Corporation
    • Maynard E. Walberg
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Auxiliary extension platform assembly support frame drive means for...

    • Patent number 3,963,095
    • Issue date Jun 15, 1976
    • Cam Industries, Inc.
    • Melvin R. Hedges
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3869022

    • Patent number 3,869,022
    • Issue date Mar 4, 1975
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    3596976

    • Patent number 3,596,976
    • Issue date Aug 3, 1971
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    3396814

    • Patent number 3,396,814
    • Issue date Aug 13, 1968
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3385398

    • Patent number 3,385,398
    • Issue date May 28, 1968
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    2981362

    • Patent number 2,981,362
    • Issue date Apr 25, 1961
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    2841960

    • Patent number 2,841,960
    • Issue date Jul 8, 1958
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    2615609

    • Patent number 2,615,609
    • Issue date Oct 28, 1952
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    2606078

    • Patent number 2,606,078
    • Issue date Aug 5, 1952
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    2512150

    • Patent number 2,512,150
    • Issue date Jun 20, 1950
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    2362170

    • Patent number 2,362,170
    • Issue date Nov 7, 1944
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

Patents Applicationslast 30 patents

  • Information Patent Application

    TELESCOPIC LADDER SYSTEM FOR A VEHICLE, AND SAFETY SYSTEM AND METHO...

    • Publication number 20240263515
    • Publication date Aug 8, 2024
    • ENTREPRISE CRC (2014) INC.
    • Keven PETITCLERC
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    PORTABLE STAIRCASE

    • Publication number 20230258041
    • Publication date Aug 17, 2023
    • MA Staircase LLC
    • Torsten Leines
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    TELESCOPIC LADDER SYSTEM FOR A VEHICLE, AND SAFETY SYSTEM AND METHO...

    • Publication number 20220145701
    • Publication date May 12, 2022
    • ENTREPRISE CRC (2014) INC.
    • Keven PETITCLERC
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Lifting and Lowering Device for Construction Machine

    • Publication number 20210140141
    • Publication date May 13, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Hiroki HAMANO
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    MODULAR STAIRCASE

    • Publication number 20200102094
    • Publication date Apr 2, 2020
    • Federal Express Corporation
    • Jacob W. SPRINGER
    • E04 - BUILDING
  • Information Patent Application

    PORTABLE LADDER SYSTEM

    • Publication number 20190291648
    • Publication date Sep 26, 2019
    • Robert G. Rolson
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Operator's Deck and Ladder Assembly for an Articulated Harvesting C...

    • Publication number 20180051513
    • Publication date Feb 22, 2018
    • TRIBINE INDUSTRIES LLC
    • Robert A. Matousek
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    SELF-RESCUE SYSTEM FOR LARGE MACHINES

    • Publication number 20170022759
    • Publication date Jan 26, 2017
    • KOMATSU MINING GERMANY GMBH
    • JENS JUNGHANS
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    ACCESS SYSTEM FOR MACHINE

    • Publication number 20160326802
    • Publication date Nov 10, 2016
    • Caterpillar Inc.
    • Andrew F. Lawson
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    CLOSED-LOOP CONTROL SYSTEM FOR CONTROLLING A DEVICE

    • Publication number 20150259047
    • Publication date Sep 17, 2015
    • Lockheed Martin Corporation
    • Corey Fleischer
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    RETRACTABLE STAIR ASSEMBLY FOR A TRUCK OR TRAILER

    • Publication number 20140167379
    • Publication date Jun 19, 2014
    • Mac Trailer Manufacturing, Inc.
    • Scott A. Kibler
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    RETRACTABLE STAIRS FOR A TRUCK OR TRAILER

    • Publication number 20130193666
    • Publication date Aug 1, 2013
    • Mac Trailer Manufacturing, Inc.
    • Scott A. Kibler
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    ACCESS DEVICE

    • Publication number 20130008743
    • Publication date Jan 10, 2013
    • Robert Ian Hedley
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    POWERED OPERATOR ACCESS SYSTEM

    • Publication number 20120181109
    • Publication date Jul 19, 2012
    • Caterpillar Inc.
    • Anthony M. Rund
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Ladder Deployment System

    • Publication number 20120145480
    • Publication date Jun 14, 2012
    • Brett Willis
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    CLOSED-LOOP CONTROL SYSTEM FOR CONTROLLING A DEVICE

    • Publication number 20110047723
    • Publication date Mar 3, 2011
    • Lockheed Martin Corporation
    • Corey Fleischer
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    HYDRAULIC BOOM SYSTEM FOR VEHICLE

    • Publication number 20100200328
    • Publication date Aug 12, 2010
    • CONCEPTION GSR INC.
    • GILLES SAVARD
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    Ladder storing apparatus for use with an emergency vehicle

    • Publication number 20090159368
    • Publication date Jun 25, 2009
    • Michael P. Ziaylek
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    VEHICLE ACCESS SYSTEM

    • Publication number 20090038885
    • Publication date Feb 12, 2009
    • Nathan John Ellement
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Retractable ladder assembly

    • Publication number 20030127284
    • Publication date Jul 10, 2003
    • COOK MANUFACTURING CORPORATION
    • Gregory D. Cook
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Application

    Powered hunting stand

    • Publication number 20030000769
    • Publication date Jan 2, 2003
    • Gary Lee Pyle
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS