TREA

Making chains or chain links by working the starting material in such a way that integral

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Industry

  • CPC
  • B21L5/00
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21LMAKING METAL CHAINS

Current Industry

B21L5/00Making chains or chain links by working the starting material in such a way that integral

Sub Industries

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

    Master coupling link and assembly
    • Patent number 9,004,556
    • Issue date Apr 14, 2015
    • The Ulven Companies
    • Dennis Gaibler
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • 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

    2451255
    • Patent number 2,451,255
    • Issue date Oct 12, 1948
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2451253
    • Patent number 2,451,253
    • Issue date Oct 12, 1948
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2253735
    • Patent number 2,253,735
    • Issue date Aug 26, 1941
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1848493
    • Patent number 1,848,493
    • Issue date Mar 8, 1932
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1835598
    • Patent number 1,835,598
    • Issue date Dec 8, 1931
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1660850
    • Patent number 1,660,850
    • Issue date Feb 28, 1928
    • 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

    1621573
    • Patent number 1,621,573
    • Issue date Mar 22, 1927
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1555923
    • Patent number 1,555,923
    • Issue date Oct 6, 1925
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1497070
    • Patent number 1,497,070
    • Issue date Jun 10, 1924
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1452408
    • Patent number 1,452,408
    • Issue date Apr 17, 1923
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1431442
    • Patent number 1,431,442
    • Issue date Oct 10, 1922
    • 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

    1368122
    • Patent number 1,368,122
    • Issue date Feb 8, 1921
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1242324
    • Patent number 1,242,324
    • Issue date Oct 9, 1917
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1242325
    • Patent number 1,242,325
    • Issue date Oct 9, 1917
    • 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

    671037
    • Patent number 671,037
    • Issue date Apr 2, 1901
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    HOLLOW ORNAMENTS & PROCESS FOR PRODUCING THEM
    • Publication number 20140305093
    • Publication date Oct 16, 2014
    • NEERAJ NEVATIA
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    MASTER COUPLING LINK AND ASSEMBLY
    • Publication number 20130134725
    • Publication date May 30, 2013
    • Dennis Gaibler
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Cross-sectional shapes for hollow link chain
    • Publication number 20030029156
    • Publication date Feb 13, 2003
    • David Rosenwasser
    • A44 - HABERDASHERY JEWELLERY