Shield advancing devices

Patents Grantslast 30 patents

  • Information Patent Grant

    Tunnel digging machine (TDM)

    • Patent number 11,905,835
    • Issue date Feb 20, 2024
    • Behzad Khorshidi
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Propulsion control device of tunnel boring machine for 3D printing...

    • Patent number 11,873,718
    • Issue date Jan 16, 2024
    • Zhejiang University City College
    • Zhi Ding
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Device and method for continuously driving a tunnel

    • Patent number 11,566,522
    • Issue date Jan 31, 2023
    • Herrenknecht Aktiengesellschaft
    • Werner Burger
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Shield-carried noncontact frequency-domain electrical real-time adv...

    • Patent number 10,260,345
    • Issue date Apr 16, 2019
    • Shandong University
    • Shucai Li
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Self-moving tunnel support canopy

    • Patent number 9,291,053
    • Issue date Mar 22, 2016
    • Xinbin Li
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Tunnel excavation apparatus and tunnel excavation method

    • Patent number 8,814,472
    • Issue date Aug 26, 2014
    • Kabuki Construction Co., Ltd.
    • Mitsuo Takeda
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Tunnel-boring machine and method of using the same

    • Patent number 6,431,653
    • Issue date Aug 13, 2002
    • Wirth Maschinen-und Bohrgerate-Fabrik GmbH
    • Nikolaus Kleuters
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Tunnel boring machine and method

    • Patent number 5,890,771
    • Issue date Apr 6, 1999
    • David T. Cass
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Telescopic double shield boring machine

    • Patent number 5,174,683
    • Issue date Dec 29, 1992
    • Carlo Grandori
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Articulated shield tunneling machine

    • Patent number 5,135,326
    • Issue date Aug 4, 1992
    • Kabushiki Kaisha Komatsu Seisakusho
    • Norio Mitani
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Direction correcting device for shield tunnelling machine

    • Patent number 5,061,120
    • Issue date Oct 29, 1991
    • Kabushiki Kaisha Iseki Kaihatsu Koki
    • Toshio Akesaka
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Shield tunneling machine

    • Patent number 4,655,493
    • Issue date Apr 7, 1987
    • Kabushiki Kaisha Iseki Kaihatsu Koki
    • Toshio Sumi
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Apparatus for the construction of tunnels and shafts

    • Patent number 4,640,646
    • Issue date Feb 3, 1987
    • Hochtief Aktiengesellschaft Vorm. Gebr. Helfmann
    • Volker Hentschel
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Tunneling machine

    • Patent number 4,627,765
    • Issue date Dec 9, 1986
    • Hochtief Aktiengesellschaft Vorm. Gebr. Helfmann
    • Volker Hentschel
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Shield tunneling apparatus

    • Patent number 4,624,605
    • Issue date Nov 25, 1986
    • Kabushiki Kaisha Iseki Kaihatsu Koki
    • Toshio Akesaka
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Machine for making underground galleries

    • Patent number 4,508,390
    • Issue date Apr 2, 1985
    • Foncages et Forages Bessac, S.A.
    • Michel Bessac
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Tunnel drive shield

    • Patent number 4,122,683
    • Issue date Oct 31, 1978
    • Gewerkschaft Eisenhutte Westfalia
    • Hans G. Follert
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Method of advancing a plurality of longitudinally arranged movable...

    • Patent number 4,095,435
    • Issue date Jun 20, 1978
    • Koichi Uemura
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Tunnelling shields

    • Patent number 3,955,373
    • Issue date May 11, 1976
    • Stelmo Limited
    • Kenneth Gilbert Jessop
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3763657

    • Patent number 3,763,657
    • Issue date Oct 9, 1973
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3733835

    • Patent number 3,733,835
    • Issue date May 22, 1973
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3613384

    • Patent number 3,613,384
    • Issue date Oct 19, 1971
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3266257

    • Patent number 3,266,257
    • Issue date Aug 16, 1966
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2139563

    • Patent number 2,139,563
    • Issue date Dec 6, 1938
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1917170

    • Patent number 1,917,170
    • Issue date Jul 4, 1933
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1355290

    • Patent number 1,355,290
    • Issue date Oct 12, 1920
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1256313

    • Patent number 1,256,313
    • Issue date Feb 12, 1918
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1173158

    • Patent number 1,173,158
    • Issue date Feb 29, 1916
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    748809

    • Patent number 748,809
    • Issue date Jan 5, 1904
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    675355

    • Patent number 675,355
    • Issue date May 28, 1901
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents