comprising only layers of metal and concrete with or without reinforcement

Patents Grantslast 30 patents

  • Information Patent Grant

    Ultra-high performance fibre-reinforced concrete pipe for pressuriz...

    • Patent number 11,808,398
    • Issue date Nov 7, 2023
    • IFP Energies Nouvelles
    • Vivien Esnault
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Carbon steel-concrete/cement mortar-stainless steel composite subma...

    • Patent number 11,592,124
    • Issue date Feb 28, 2023
    • Tsinghua University
    • Facheng Wang
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Pre-stressed concrete pipe

    • Patent number 11,555,562
    • Issue date Jan 17, 2023
    • Ming C. Kuo
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Integrated jacking pipes

    • Patent number 10,370,967
    • Issue date Aug 6, 2019
    • MEKOROT WATER COMPANY, LTD.
    • Ben Ami Sorek
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method and apparatus for coating a pipe

    • Patent number 10,160,009
    • Issue date Dec 25, 2018
    • BRUGG ROHRSYSTEME GMBH
    • Christian Dudat
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Corrosion protection for cast iron pipes and method for producing same

    • Patent number 10,161,544
    • Issue date Dec 25, 2018
    • DUKTUS ROHRSYSTEME WETZLAR GMBH
    • Friedrich Karau
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Large-aperture spiral welded steel pipe with metal linings and manu...

    • Patent number 10,145,502
    • Issue date Dec 4, 2018
    • NANJING LIANZHONG CONSTRUCTION ENGINEERING TECHNOLOGY CO., LTD.
    • Fujun Zhan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multi-layer removable duct liners

    • Patent number 10,119,634
    • Issue date Nov 6, 2018
    • Sarkis Khanzadian
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Underground steel-concrete structure pipeline with spiral composite...

    • Patent number 10,030,792
    • Issue date Jul 24, 2018
    • NANJING LIANZHONG CONSTRUCTION ENGINEERING TECHNOLOGY CO., LTD.
    • Fujun Zhan
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Liner for concrete article

    • Patent number 9,605,777
    • Issue date Mar 28, 2017
    • HawkeyePedershaab Concrete Technologies, Inc.
    • Claudio Subacchi
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Method for reinforcing a metal tubular structure

    • Patent number 8,201,332
    • Issue date Jun 19, 2012
    • Soletanche Freyssinet
    • Christian Tourneur
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multiwall pipe lip seal joint

    • Patent number 7,942,422
    • Issue date May 17, 2011
    • Unisert Multiwall Systems, Inc.
    • Kenneth Tierling
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method of reinforcing an embedded cylindrical pipe

    • Patent number 7,267,507
    • Issue date Sep 11, 2007
    • Freyssinet International (STUP)
    • Benoît Lecinq
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    System for forming lined passages through concrete walls

    • Patent number 5,509,240
    • Issue date Apr 23, 1996
    • Bruce G. Barton
    • E04 - BUILDING
  • Information Patent Grant

    Pipe joint for driving pipes laid underground by the driving technique

    • Patent number 5,165,822
    • Issue date Nov 24, 1992
    • Halbergerhutte GmbH
    • Hans-Georg Hein
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Low load pipe for pipe jacking

    • Patent number 4,966,494
    • Issue date Oct 30, 1990
    • Kurimoto Ltd.
    • Hiroyoshi Inagaski
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Thrust pipe

    • Patent number 4,808,032
    • Issue date Feb 28, 1989
    • Meyer & John GmbH & Co. Tief- und Rohrleitungsbau
    • Hans-Jurgen John
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pipe coating machine

    • Patent number 4,058,428
    • Issue date Nov 15, 1977
    • Compression Coat Corporation
    • Patrick P. Case
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Separator for concrete wrapping to submarine pipelines

    • Patent number 4,037,627
    • Issue date Jul 26, 1977
    • W. R. Grace Limited
    • John Hurst
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method for cutting concrete coated pipe

    • Patent number 3,985,848
    • Issue date Oct 12, 1976
    • Bredero Price, B.V.
    • Onno F. Frische
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Concrete piles, poles or the like

    • Patent number 3,963,056
    • Issue date Jun 15, 1976
    • Nippon Concrete Kogyo Kabushiki Kaisha
    • Atsumi Shibuya
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Composite pipeline

    • Patent number 3,955,600
    • Issue date May 11, 1976
    • Bechtel International Corporation
    • Russell D. Tamburello
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3758940

    • Patent number 3,758,940
    • Issue date Sep 18, 1973
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3355529

    • Patent number 3,355,529
    • Issue date Nov 28, 1967
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3322157

    • Patent number 3,322,157
    • Issue date May 30, 1967
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3267969

    • Patent number 3,267,969
    • Issue date Aug 23, 1966
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2401092

    • Patent number 2,401,092
    • Issue date May 28, 1946
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents