with a drilling sleeve driven against a tapered or spherical plug

Patents Grantslast 30 patents

  • Information Patent Grant

    Rock bolt installation tool

    • Patent number 11,002,135
    • Issue date May 11, 2021
    • EPIROC DRILLING TOOLS AB
    • Paolo Ettore Pastorino
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Self-undercut anchor system

    • Patent number 9,624,770
    • Issue date Apr 18, 2017
    • Robert Cousineau
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Self-cutting expansion anchor

    • Patent number 6,213,697
    • Issue date Apr 10, 2001
    • Illinois Tool Works Inc.
    • Yasutsugu Uejima
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Undercut self-cutting dowel

    • Patent number 6,135,688
    • Issue date Oct 24, 2000
    • Hilti Aktiengesellschaft
    • Thomas Belz
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Self-cutting dowel

    • Patent number 5,911,550
    • Issue date Jun 15, 1999
    • Hilti Aktiengesellschaft
    • Franz Popp
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Under cutting anchor

    • Patent number 5,816,760
    • Issue date Oct 6, 1998
    • Hilti Aktiengesellschaft
    • Richard Mattner
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Spreading anchor with undercut-forming cutting means

    • Patent number 5,807,049
    • Issue date Sep 15, 1998
    • Hilti Aktiengesellschaft
    • Hermann Beck
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Spreading anchor

    • Patent number 5,772,372
    • Issue date Jun 30, 1998
    • Hilti Aktiengesellschaft
    • Reinhard Lins
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Expansion dowel assembly

    • Patent number 4,984,945
    • Issue date Jan 15, 1991
    • Hilti Aktiengesellschaft
    • Arndt Bergner
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Expansion dowel assembly

    • Patent number 4,929,134
    • Issue date May 29, 1990
    • Hilti Aktiengesellschaft
    • Arndt Bergner
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Spreading anchor

    • Patent number 4,702,654
    • Issue date Oct 27, 1987
    • Upat GmbH & Co
    • Albert Frischmann
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Self drilling anchoring dowel

    • Patent number 4,050,345
    • Issue date Sep 27, 1977
    • Robert Bosch GmbH
    • Wilbert Reibetanz
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3889570

    • Patent number 3,889,570
    • Issue date Jun 17, 1975
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3851560

    • Patent number 3,851,560
    • Issue date Dec 3, 1974
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3467209

    • Patent number 3,467,209
    • Issue date Sep 16, 1969
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3353437

    • Patent number 3,353,437
    • Issue date Nov 21, 1967
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3335632

    • Patent number 3,335,632
    • Issue date Aug 15, 1967
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3202035

    • Patent number 3,202,035
    • Issue date Aug 24, 1965
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3123370

    • Patent number 3,123,370
    • Issue date Mar 3, 1964
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    3122049

    • Patent number 3,122,049
    • Issue date Feb 25, 1964
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3049358

    • Patent number 3,049,358
    • Issue date Aug 14, 1962
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    2963935

    • Patent number 2,963,935
    • Issue date Dec 13, 1960
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    1996121

    • Patent number 1,996,121
    • Issue date Apr 2, 1935
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    1762349

    • Patent number 1,762,349
    • Issue date Jun 10, 1930
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    1752999

    • Patent number 1,752,999
    • Issue date Apr 1, 1930
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    1746050

    • Patent number 1,746,050
    • Issue date Feb 4, 1930
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    1621598

    • Patent number 1,621,598
    • Issue date Mar 22, 1927
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents