Covering trenches for foundations

Patents Grantslast 30 patents

  • Information Patent Grant

    Cover device

    • Patent number 11,255,067
    • Issue date Feb 22, 2022
    • Steve Millman
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Cover

    • Patent number 10,774,496
    • Issue date Sep 15, 2020
    • Oxford Plastic Systems Limited
    • Christopher James Whiteley
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Cover and method of manufacture thereof

    • Patent number 10,422,099
    • Issue date Sep 24, 2019
    • Oxford Plastic Systems, Ltd.
    • Christopher James Whiteley
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Preventing disturbances of underground conduit

    • Patent number 9,909,708
    • Issue date Mar 6, 2018
    • Quality Mat Company
    • Joe Penland
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Pipeline crossing bridge

    • Patent number 8,973,195
    • Issue date Mar 10, 2015
    • Marc Breault
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Trench cover

    • Patent number 8,956,073
    • Issue date Feb 17, 2015
    • Oxford Plastic Systems Limited
    • Christopher James Whiteley
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Cover assembly for structural members

    • Patent number 8,887,463
    • Issue date Nov 18, 2014
    • Construction Research & Technology GmbH
    • James Derrigan
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Trench cover element

    • Patent number 6,722,814
    • Issue date Apr 20, 2004
    • David Vincent Byrne
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Locking ground hole cover

    • Patent number 6,584,734
    • Issue date Jul 1, 2003
    • Larry Mihalicz
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Cover plate ground anchor

    • Patent number 6,401,407
    • Issue date Jun 11, 2002
    • Stay-Put Safety Plate Distribution, Inc.
    • Doy T. Humphrey
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Temporary cover for excavations

    • Patent number 5,775,031
    • Issue date Jul 7, 1998
    • British Gas PLC
    • Raymonde Maxwell Levy
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Cover for trenches

    • Patent number 5,179,752
    • Issue date Jan 19, 1993
    • British Gas plc
    • Peter S. Clough
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Excavation closure

    • Patent number 4,974,992
    • Issue date Dec 4, 1990
    • William M. Harter
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Cover structure

    • Patent number 4,416,928
    • Issue date Nov 22, 1983
    • Heinz Carl
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Self-supporting sheeting panel for trenches or the like

    • Patent number 3,969,852
    • Issue date Jul 20, 1976
    • Josef Krings
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    3901993

    • Patent number 3,901,993
    • Issue date Aug 26, 1975
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    3426659

    • Patent number 3,426,659
    • Issue date Feb 11, 1969
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    2056362

    • Patent number 2,056,362
    • Issue date Oct 6, 1936
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    1876496

    • Patent number 1,876,496
    • Issue date Sep 6, 1932
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    1732288

    • Patent number 1,732,288
    • Issue date Oct 22, 1929
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    1680280

    • Patent number 1,680,280
    • Issue date Aug 14, 1928
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

  • Information Patent Application

    COVER DEVICE

    • Publication number 20200370266
    • Publication date Nov 26, 2020
    • Steve Millman
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Cover

    • Publication number 20200080271
    • Publication date Mar 12, 2020
    • Oxford Plastic Systems Limited
    • Christopher James Whiteley
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    COVER AND METHOD OF MANUFACTURE THEREOF

    • Publication number 20180155895
    • Publication date Jun 7, 2018
    • Oxford Plastic Systems Limited
    • Christopher James Whiteley
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    PIPELINE CROSSING BRIDGE

    • Publication number 20140041135
    • Publication date Feb 13, 2014
    • Marc Breault
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    Trench Cover

    • Publication number 20130108363
    • Publication date May 2, 2013
    • Oxford Plastic Systems Limited
    • Christopher James Whiteley
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    PIPELINE CROSSING BRIDGE

    • Publication number 20130047351
    • Publication date Feb 28, 2013
    • Marc Breault
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    DEVICE FOR COVERING AND PROTECTING BURIED PIPES OR CABLES

    • Publication number 20120224923
    • Publication date Sep 6, 2012
    • Yannick Joubeaux
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Assembly for covering a trench

    • Publication number 20110142537
    • Publication date Jun 16, 2011
    • David Vincent Byrne
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    TRENCH COVER

    • Publication number 20100290835
    • Publication date Nov 18, 2010
    • Byrne Vincent David
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Assembly For Covering a Trench

    • Publication number 20090103986
    • Publication date Apr 23, 2009
    • David Vincent Byrne
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    COVER ASSEMBLY FOR STRUCTURAL MEMBERS

    • Publication number 20080127590
    • Publication date Jun 5, 2008
    • James Derrigan
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Construction site hole cap for covering holes

    • Publication number 20080075532
    • Publication date Mar 27, 2008
    • Louis Boyd
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Trench cover

    • Publication number 20040081793
    • Publication date Apr 29, 2004
    • David Vincent Byrne
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Shouldered ramp for streetwork cover and method of use

    • Publication number 20020184718
    • Publication date Dec 12, 2002
    • Gregory J. Armfield
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    Trench cover element

    • Publication number 20020092100
    • Publication date Jul 18, 2002
    • David Vincent Byrne
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    Locking ground hole cover

    • Publication number 20010003886
    • Publication date Jun 21, 2001
    • Larry Mihalicz
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES