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in such a way that interconnected links are formed

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  • CPC
  • B21L5/02
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21LMAKING METAL CHAINS B21L5/00Making chains or chain links by working the starting material in such a way that integral

Current Industry

B21L5/02in such a way that interconnected links are formed
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Methods and apparatus for adaptable transformation of chains
    • Patent number 10,016,031
    • Issue date Jul 10, 2018
    • GUBALINK LLC
    • Aleksey P. Gubanov
    • A44 - HABERDASHERY JEWELLERY
  • Information Patent Grant

    Hollow ornaments and process for producing them
    • Patent number 9,027,320
    • Issue date May 12, 2015
    • Neeraj Nevatia
    • A44 - HABERDASHERY JEWELLERY
  • Information Patent Grant

    Cross-sectional shapes for hollow link chain
    • Patent number 6,644,008
    • Issue date Nov 11, 2003
    • David Rosenwasser
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Cross-sectional shapes for hollow link chain
    • Patent number 6,460,323
    • Issue date Oct 8, 2002
    • David Rosenwasser
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Coil link chain and method
    • Patent number 6,338,238
    • Issue date Jan 15, 2002
    • Charm Link, Inc.
    • Marvin Kahan
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Jewelry rope chain
    • Patent number 5,660,036
    • Issue date Aug 26, 1997
    • David Rozenwasser
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Hollow rope chain with close fitted links
    • Patent number 5,452,572
    • Issue date Sep 26, 1995
    • Adipaz Ltd.
    • Badi Alvaro
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2637159
    • Patent number 2,637,159
    • Issue date May 5, 1953
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1641951
    • Patent number 1,641,951
    • Issue date Sep 13, 1927
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1431443
    • Patent number 1,431,443
    • Issue date Oct 10, 1922
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    997305
    • Patent number 997,305
    • Issue date Jul 11, 1911
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    990996
    • Patent number 990,996
    • Issue date May 2, 1911
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    895649
    • Patent number 895,649
    • Issue date Aug 11, 1908
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    805592
    • Patent number 805,592
    • Issue date Nov 28, 1905
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    671038
    • Patent number 671,038
    • Issue date Apr 2, 1901
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    650101
    • Patent number 650,101
    • Issue date May 22, 1900
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    647044
    • Patent number 647,044
    • Issue date Apr 10, 1900
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    647167
    • Patent number 647,167
    • Issue date Apr 10, 1900
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    610434
    • Patent number 610,434
    • Issue date Sep 6, 1898
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    555737
    • Patent number 555,737
    • Issue date Mar 3, 1896
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    535702
    • Patent number 535,702
    • Issue date Mar 12, 1895
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    523432
    • Patent number 523,432
    • Issue date Jul 24, 1894
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    410712
    • Patent number 410,712
    • Issue date Sep 10, 1889
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    339781
    • Patent number 339,781
    • Issue date Apr 13, 1886
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    308324
    • Patent number 308,324
    • Issue date Nov 18, 1884
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    273139
    • Patent number 273,139
    • Issue date Feb 27, 1883
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents