with split rings or wire between the threads of the dowel body or in grooves near a conical surface

Patents Grantslast 30 patents

  • Information Patent Grant

    Expandable screw with separate expansion fingers

    • Patent number 11,965,535
    • Issue date Apr 23, 2024
    • Hilti Aktiengesellschaft
    • Roland Schneider
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Concrete anchor

    • Patent number 9,163,651
    • Issue date Oct 20, 2015
    • Meyer Ostrobrod
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Concrete anchor

    • Patent number 6,835,036
    • Issue date Dec 28, 2004
    • Illinois Tool Works Inc.
    • Sigismund D. Paul
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Expandable fastener assembly

    • Patent number 4,712,955
    • Issue date Dec 15, 1987
    • Rexnord Inc.
    • Marvin P. Reece
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Spring action expansion bolt

    • Patent number 4,075,925
    • Issue date Feb 28, 1978
    • Wej-It Expansion Products, Inc.
    • Lester Lerich
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Spring action expansion bolt

    • Patent number 3,967,525
    • Issue date Jul 6, 1976
    • Wej-It Expansion Products, Inc.
    • Lester Lerich
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2837005

    • Patent number 2,837,005
    • Issue date Jun 3, 1958
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    CONCRETE ANCHOR

    • Publication number 20160296774
    • Publication date Oct 13, 2016
    • Meyer Ostrobrod
    • E04 - BUILDING
  • Information Patent Application

    Concrete Anchor

    • Publication number 20140263903
    • Publication date Sep 18, 2014
    • Meyer Ostrobrod
    • E04 - BUILDING
  • Information Patent Application

    Fastener for anchoring in solid bases

    • Publication number 20080181746
    • Publication date Jul 31, 2008
    • Pama Reiter Stefan
    • Stefan Reiter
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Fastening device

    • Publication number 20070172332
    • Publication date Jul 26, 2007
    • David Ian Thompson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Concrete anchor

    • Publication number 20040175251
    • Publication date Sep 9, 2004
    • Sigismund D. Paul
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...