Thread forming, reforming, or cleaning

Patents Grantslast 30 patents

  • Information Patent Grant

    Tapping screw having function of holding female screw shavings

    • Patent number 7,195,437
    • Issue date Mar 27, 2007
    • Nitto Seiko Co., Ltd.
    • Hiroyuki Sakamoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Segmented die

    • Patent number 4,872,790
    • Issue date Oct 10, 1989
    • Wade Sibole
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Tension device for tightening and loosening bolts or pins

    • Patent number 4,802,806
    • Issue date Feb 7, 1989
    • Framatome
    • Gerard Sevelinge
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Self-tapping connector

    • Patent number 4,770,560
    • Issue date Sep 13, 1988
    • Donald E. Ott
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Fluid actuated nut

    • Patent number 4,725,176
    • Issue date Feb 16, 1988
    • Conn-Weld Industries, Inc.
    • James D. Connolly
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Method of stabilizing a rock structure

    • Patent number 4,696,606
    • Issue date Sep 29, 1987
    • Atlas Copco Aktiebolag
    • Lorne R. Herron
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Means for maintaining axial stress on a dowel assembly

    • Patent number 4,681,493
    • Issue date Jul 21, 1987
    • Hilti Aktiengesellschaft
    • Helmut Vollmer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Inflatable reactor vessel stud hole plug

    • Patent number 4,671,518
    • Issue date Jun 9, 1987
    • Westinghouse Electric Corp.
    • Alexander J. Retz
    • G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
  • Information Patent Grant

    Energy absorbers

    • Patent number 4,660,687
    • Issue date Apr 28, 1987
    • Oleo International Holding Limited
    • Derrick G. Williams
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method of rock bolting and tube-formed expansion bolt

    • Patent number 4,634,317
    • Issue date Jan 6, 1987
    • Atlas Copco Aktiebolag
    • Bo T. Skogberg
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Security locking bolt

    • Patent number 4,537,543
    • Issue date Aug 27, 1985
    • Tommy L. Scott
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Anchor bolt with mechanical keys deployed by internal pressurization

    • Patent number 4,511,296
    • Issue date Apr 16, 1985
    • Invocas, Inc.
    • Israel Stol
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Method of rock bolting and rock bolt

    • Patent number 4,511,289
    • Issue date Apr 16, 1985
    • Atlas Copco Aktiebolag
    • Lorne R. Herron
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Method of rock bolting and tube-formed expansion bolt

    • Patent number 4,509,889
    • Issue date Apr 9, 1985
    • Atlas Copco Aktiebolag
    • Bo T. Skogberg
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Method of rock bolting and tube-formed expansion bolt

    • Patent number 4,459,067
    • Issue date Jul 10, 1984
    • Atlas Copco Aktiebolag
    • Bo T. Skogberg
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Self-straining bolts

    • Patent number 4,120,230
    • Issue date Oct 17, 1978
    • Pilgrim Engineering Developments Limited
    • Thomas Walter Bunyan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Bolt assembly

    • Patent number 4,085,649
    • Issue date Apr 25, 1978
    • Chris-Marin I Malmo AB
    • Nils Artur Christensson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fastener tensioning apparatus

    • Patent number 4,075,923
    • Issue date Feb 28, 1978
    • Raymond E. Latham
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3841193

    • Patent number 3,841,193
    • Issue date Oct 15, 1974
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3835523

    • Patent number 3,835,523
    • Issue date Sep 17, 1974
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    3831298

    • Patent number 3,831,298
    • Issue date Aug 27, 1974
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    3707107

    • Patent number 3,707,107
    • Issue date Dec 26, 1972
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3613495

    • Patent number 3,613,495
    • Issue date Oct 19, 1971
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3507182

    • Patent number 3,507,182
    • Issue date Apr 21, 1970
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3213743

    • Patent number 3,213,743
    • Issue date Oct 26, 1965
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3154006

    • Patent number 3,154,006
    • Issue date Oct 27, 1964
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3130628

    • Patent number 3,130,628
    • Issue date Apr 28, 1964
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2870881

    • Patent number 2,870,881
    • Issue date Jan 27, 1959
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2842022

    • Patent number 2,842,022
    • Issue date Jul 8, 1958
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2562724

    • Patent number 2,562,724
    • Issue date Jul 31, 1951
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents