TREA

Steps or handrails for shafts

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Industry

  • CPC
  • E02D29/122
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Parent Industries

EFIXED CONSTRUCTIONS E02Hydraulic engineering E02DFOUNDATIONS EXCAVATIONS, EMBANKMENTS UNDERGROUND OR UNDERWATER STRUCTURE E02D29/00Independent underground or underwater structures Retaining walls

Current Industry

E02D29/122Steps or handrails for shafts
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Variable sliding manhole safety guard
    • Patent number 12,054,907
    • Issue date Aug 6, 2024
    • ESSYSTEM Co., Ltd
    • Tae Hyun Jang
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Underfloor storage vault
    • Patent number 12,054,906
    • Issue date Aug 6, 2024
    • Atlas Survival Shelters LLC
    • Ronal Hubbard
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Device for securing a rung in a concrete wall
    • Patent number 11,814,900
    • Issue date Nov 14, 2023
    • Ulrich Schlüsselbauer
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Safety hatch system
    • Patent number 10,676,966
    • Issue date Jun 9, 2020
    • Rooftop Anchor Incorporated
    • Richard J. Whiting
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Safety railing for utility hatch
    • Patent number 10,550,539
    • Issue date Feb 4, 2020
    • Madruga Iron Works, Inc.
    • Joseph R. Madruga
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Integrated safety rail protection system
    • Patent number 10,370,816
    • Issue date Aug 6, 2019
    • Rooftop Anchor Incorporated
    • Richard J. Whiting
    • E04 - BUILDING
  • Information Patent Grant

    Safety landing
    • Patent number 10,309,076
    • Issue date Jun 4, 2019
    • Access Industrial Inc.
    • Paul Edward Veter
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Manhole frame with one or more handholds
    • Patent number 10,030,350
    • Issue date Jul 24, 2018
    • Ronald Armstrong
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Manhole frame with one or more handholds
    • Patent number 10,030,351
    • Issue date Jul 24, 2018
    • Ronald Armstrong
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Manhole frame with one or more handholds
    • Patent number 10,030,352
    • Issue date Jul 24, 2018
    • Ronald Armstrong
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Manhole frame with one or more handholds
    • Patent number 9,845,586
    • Issue date Dec 19, 2017
    • Ronald Armstrong
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Safety hatch system
    • Patent number 9,745,777
    • Issue date Aug 29, 2017
    • SafePro, L.P.
    • Richard J. Whiting
    • E04 - BUILDING
  • Information Patent Grant

    Safety device for use in well
    • Patent number 9,637,885
    • Issue date May 2, 2017
    • Picote Oy Ltd
    • Mika Lokkinen
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Safety hatch system and egress
    • Patent number 8,522,487
    • Issue date Sep 3, 2013
    • SafePro, L.P.
    • Richard J. Whiting
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Aircraft servicing pit with retractable ladder
    • Patent number 5,282,339
    • Issue date Feb 1, 1994
    • Dabico Inc.
    • Michael Devlin
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

  • Information Patent Application

    VARIABLE SLIDING MANHOLE SAFETY GUARD
    • Publication number 20230340751
    • Publication date Oct 26, 2023
    • ESSYSTEM CO, Ltd
    • Tae Hyun JANG
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Underfloor Storage Vault
    • Publication number 20230049236
    • Publication date Feb 16, 2023
    • Atlas Survival Shelters LLC
    • Ronal Hubbard
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    DEVICE FOR SECURING A RUNG IN A CONCRETE WALL
    • Publication number 20200224496
    • Publication date Jul 16, 2020
    • Ulrich Schlüsselbauer Schlüsselbauer
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    SAFETY RAILING FOR UTILITY HATCH
    • Publication number 20200024820
    • Publication date Jan 23, 2020
    • MADRUGA IRON WORKS, INC.
    • Joseph R. Madruga
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    MANHOLE FRAME WITH ONE OR MORE HANDHOLDS
    • Publication number 20180073213
    • Publication date Mar 15, 2018
    • Ronald ARMSTRONG
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    MANHOLE FRAME WITH ONE OR MORE HANDHOLDS
    • Publication number 20180073211
    • Publication date Mar 15, 2018
    • Ronald ARMSTRONG
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    MANHOLE FRAME WITH ONE OR MORE HANDHOLDS
    • Publication number 20180073212
    • Publication date Mar 15, 2018
    • Ronald ARMSTRONG
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    SAFETY HATCH SYSTEM
    • Publication number 20170321452
    • Publication date Nov 9, 2017
    • SafePro, L.P.
    • Richard J. Whiting
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    SAFETY LANDING
    • Publication number 20170284054
    • Publication date Oct 5, 2017
    • Access Industrial Inc.
    • Paul Edward Veter
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Tunnel Connector for an In-Ground Storm Shelter
    • Publication number 20170275907
    • Publication date Sep 28, 2017
    • Brooks and Ingoldsby Holdings, LLC
    • Michael L. Brooks
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    INTEGRATED SAFETY RAIL PROTECTION SYSTEM
    • Publication number 20170022680
    • Publication date Jan 26, 2017
    • SafePro, L.P.
    • Richard J. Whiting
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    MANHOLE FRAME WITH ONE OR MORE HANDHOLDS
    • Publication number 20160145826
    • Publication date May 26, 2016
    • Ronald ARMSTRONG
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    SAFETY HATCH SYSTEM AND EGRESS METHOD
    • Publication number 20130340353
    • Publication date Dec 26, 2013
    • SafePro, L.P.
    • Richard J. Whiting
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    ADJUSTABLE SUPPORT APPARATUS FOR A UTILITY ACCESS COVER
    • Publication number 20130312338
    • Publication date Nov 28, 2013
    • Chris Gaspar
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    ADJUSTABLE SUPPORT APPARATUS FOR A UTILITY ACCESS COVER
    • Publication number 20120297691
    • Publication date Nov 29, 2012
    • Chris Gaspar
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    SAFETY HATCH SYSTEM AND EGRESS METHOD
    • Publication number 20100031573
    • Publication date Feb 11, 2010
    • SafePro, L.P.
    • Richard J. Whiting
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES