with grooves or notches

Industry

  • CPC
  • B21K1/54
This industry / category may be too specific. Please go to a parent level for more data

Patents Grantslast 30 patents

  • Information Patent Grant

    Tie rod for concrete forming system and related method of making

    • Patent number 11,135,636
    • Issue date Oct 5, 2021
    • Titcomb Brothers Manufacturing, Inc.
    • Ted Titcomb
    • E04 - BUILDING
  • Information Patent Grant

    Pull or push rod or locking nut for a molding machine

    • Patent number 10,967,549
    • Issue date Apr 6, 2021
    • ENGEL AUSTRIA GMBH
    • Guenter Schott
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Apparatus for protectively holding an elongated object during bendi...

    • Patent number 10,307,811
    • Issue date Jun 4, 2019
    • Industro International Co., Ltd.
    • Kuo-Chan Huang
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Mower blade coupler with enlarged head and projecting fins

    • Patent number 7,703,267
    • Issue date Apr 27, 2010
    • Buchanan Metal Forming, Inc.
    • Christopher S. Tapper
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Cool-wrought pressing forming method for slotted headless screws

    • Patent number 6,648,766
    • Issue date Nov 18, 2003
    • Wen-Lung Cheng
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Apparatus for forming a slot in a semi-product of a bolt prior to t...

    • Patent number 5,904,623
    • Issue date May 18, 1999
    • Chih-Feng Chang
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Process and apparatus for the production of star profile nails

    • Patent number 5,542,886
    • Issue date Aug 6, 1996
    • Jewett Automation, Inc.
    • George R. Scott
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Blind riveting assembly

    • Patent number 5,167,585
    • Issue date Dec 1, 1992
    • Emhart Inc.
    • Barry T. Williams
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Tool bits and method of shaping

    • Patent number 4,941,339
    • Issue date Jul 17, 1990
    • Hilti Aktiengesellschaft
    • Dieter Soehnlein
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for manufacturing an element having grooved trunnions and fo...

    • Patent number 4,936,133
    • Issue date Jun 26, 1990
    • Glaenzer Spicer
    • Michel Orain
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Machine for making star-shaped fasteners

    • Patent number 4,833,906
    • Issue date May 30, 1989
    • Star Fasteners International, Inc.
    • Frank R. Potucek
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Machine and method for making star shaped fasteners

    • Patent number 4,800,746
    • Issue date Jan 31, 1989
    • Frank Potucek
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and apparatus for forming valve cores

    • Patent number 4,703,546
    • Issue date Nov 3, 1987
    • TRW Inc.
    • Wendell L. Gilbert
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Means for manufacturing components of rotary valves

    • Patent number 4,651,551
    • Issue date Mar 24, 1987
    • Bishop; Arthur E.
    • Arthur E. Bishop
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Device for grooving cylindrical workpieces

    • Patent number 4,644,777
    • Issue date Feb 24, 1987
    • Siegmund Kumeth
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Nail-type fastener, and process for manufacturing such fasteners

    • Patent number 4,637,768
    • Issue date Jan 20, 1987
    • Karl L. G. Rabe
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of making a multigrip fastener and fastener made thereby

    • Patent number 4,540,447
    • Issue date Sep 10, 1985
    • Huck Manufacturing Company
    • Larry D. Mercer
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Tool for making rivet or expansion nails

    • Patent number 4,489,456
    • Issue date Dec 25, 1984
    • Lars J. T. Billing
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Forming engagement grooves in a tool shank

    • Patent number 4,389,870
    • Issue date Jun 28, 1983
    • Hilti Aktiengesellschaft
    • Hans Boeni
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and apparatus for manufacturing valve components

    • Patent number 4,100,785
    • Issue date Jul 18, 1978
    • Arthur E. Bishop
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3800386

    • Patent number 3,800,386
    • Issue date Apr 2, 1974
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3591136

    • Patent number 3,591,136
    • Issue date Jul 6, 1971
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3396570

    • Patent number 3,396,570
    • Issue date Aug 13, 1968
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3200422

    • Patent number 3,200,422
    • Issue date Aug 17, 1965
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3174190

    • Patent number 3,174,190
    • Issue date Mar 23, 1965
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3159855

    • Patent number 3,159,855
    • Issue date Dec 8, 1964
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2887694

    • Patent number 2,887,694
    • Issue date May 26, 1959
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2856617

    • Patent number 2,856,617
    • Issue date Oct 21, 1958
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2586166

    • Patent number 2,586,166
    • Issue date Feb 19, 1952
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2343933

    • Patent number 2,343,933
    • Issue date Mar 14, 1944
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents