Dressing

Industry

  • CPC
  • B21K5/06
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Current Industry

Patents Grantslast 30 patents

  • Information Patent Grant

    Well drilling bit dressing apparatus and method

    • Patent number 4,164,878
    • Issue date Aug 21, 1979
    • John Herke
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3495670

    • Patent number 3,495,670
    • Issue date Feb 17, 1970
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3382738

    • Patent number 3,382,738
    • Issue date May 14, 1968
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3327568

    • Patent number 3,327,568
    • Issue date Jun 27, 1967
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3104561

    • Patent number 3,104,561
    • Issue date Sep 24, 1963
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3011367

    • Patent number 3,011,367
    • Issue date Dec 5, 1961
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3003370

    • Patent number 3,003,370
    • Issue date Oct 10, 1961
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2912886

    • Patent number 2,912,886
    • Issue date Nov 17, 1959
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2883887

    • Patent number 2,883,887
    • Issue date Apr 28, 1959
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2875647

    • Patent number 2,875,647
    • Issue date Mar 3, 1959
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2865641

    • Patent number 2,865,641
    • Issue date Dec 23, 1958
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2862409

    • Patent number 2,862,409
    • Issue date Dec 2, 1958
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2845825

    • Patent number 2,845,825
    • Issue date Aug 5, 1958
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2832236

    • Patent number 2,832,236
    • Issue date Apr 29, 1958
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2815687

    • Patent number 2,815,687
    • Issue date Dec 10, 1957
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2814960

    • Patent number 2,814,960
    • Issue date Dec 3, 1957
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2808742

    • Patent number 2,808,742
    • Issue date Oct 8, 1957
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2771796

    • Patent number 2,771,796
    • Issue date Nov 27, 1956
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2767599

    • Patent number 2,767,599
    • Issue date Oct 23, 1956
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2689491

    • Patent number 2,689,491
    • Issue date Sep 21, 1954
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2682180

    • Patent number 2,682,180
    • Issue date Jun 29, 1954
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2645138

    • Patent number 2,645,138
    • Issue date Jul 14, 1953
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2631479

    • Patent number 2,631,479
    • Issue date Mar 17, 1953
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2626533

    • Patent number 2,626,533
    • Issue date Jan 27, 1953
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2615353

    • Patent number 2,615,353
    • Issue date Oct 28, 1952
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2526489

    • Patent number 2,526,489
    • Issue date Oct 17, 1950
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2450621

    • Patent number 2,450,621
    • Issue date Oct 5, 1948
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2443814

    • Patent number 2,443,814
    • Issue date Jun 22, 1948
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2418320

    • Patent number 2,418,320
    • Issue date Apr 1, 1947
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2404201

    • Patent number 2,404,201
    • Issue date Jul 16, 1946
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...