TREA

Making ornamental chains

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Industry

  • CPC
  • B21L11/005
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21LMAKING METAL CHAINS B21L11/00Making chains or chain links of special shape

Current Industry

B21L11/005Making ornamental chains
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Laser weldable sterling alloy
    • Patent number 12,214,416
    • Issue date Feb 4, 2025
    • James Avery Craftsman, Inc.
    • Dejan Stojakovic
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method for producing gourmette jewellery articles
    • Patent number 12,172,205
    • Issue date Dec 24, 2024
    • Marco Bicego S.P.A.
    • Marco Bicego
    • A44 - HABERDASHERY JEWELLERY
  • Information Patent Grant

    Jewelry link assembly and a method of assembling jewelry chain links
    • Patent number 10,881,172
    • Issue date Jan 5, 2021
    • Perry Straus
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of forming of jewelry with multiple links
    • Patent number 7,340,878
    • Issue date Mar 11, 2008
    • Avraham Rozenvasser
    • David Rozenvasser
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of forming chain links
    • Patent number 7,143,571
    • Issue date Dec 5, 2006
    • David Rosenwasser
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of forming jewelry articles
    • Patent number 7,111,447
    • Issue date Sep 26, 2006
    • Avraham Moshe Rosenwasser
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Linked ring structures
    • Patent number 7,086,218
    • Issue date Aug 8, 2006
    • M & J - R & R Grosbard, Inc.
    • Lloyd Frank Pasach
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Jewelry rope chain link element and methods of manufacture
    • Patent number 7,047,721
    • Issue date May 23, 2006
    • Meang K. Chia
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of forming chain links
    • Patent number 6,993,896
    • Issue date Feb 7, 2006
    • David Rosenwasser
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Lightweight OMEGA chain and improved method of manufacture
    • Patent number 6,968,671
    • Issue date Nov 29, 2005
    • Aurafin, LLC
    • Giuseppe A. Dal Monte
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of forming chain links
    • Patent number 6,945,028
    • Issue date Sep 20, 2005
    • David Rosenwasser
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of forming chain links
    • Patent number 6,918,242
    • Issue date Jul 19, 2005
    • David Rosenwasser
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of forming chain links
    • Patent number 6,904,746
    • Issue date Jun 14, 2005
    • David Rosenwasser
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Lightweight omega chain and improved method of manufacture
    • Patent number 6,895,737
    • Issue date May 24, 2005
    • Aurafin, LLC
    • Giuseppe A. Dal Monte
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Lightweight omega chain and improved method of manufacture
    • Patent number 6,860,097
    • Issue date Mar 1, 2005
    • Giuseppe A. Dal Monte
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of decorating jewelry
    • Patent number 6,837,036
    • Issue date Jan 4, 2005
    • Silmar S.p.A.
    • Silverio Cerato
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Ornamental jewelry rope chain link element
    • Patent number 6,829,882
    • Issue date Dec 14, 2004
    • Meang K. Chia
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Jewelry rope chain
    • Patent number 6,807,800
    • Issue date Oct 26, 2004
    • David Rosenwasser
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Jewelry closed-link element, assembled chain, and method of manufac...
    • Patent number 6,786,032
    • Issue date Sep 7, 2004
    • Meang K. Chia
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Lightweight omega chain and improved method of manufacture
    • Patent number 6,745,554
    • Issue date Jun 8, 2004
    • Aurafin-Oro America, LLC
    • Giuseppe A. Dal Monte
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Omega type ornamental chain
    • Patent number 6,708,525
    • Issue date Mar 23, 2004
    • Rancangelo di Rancan Dario e Pietro S.N.C.
    • Pietro Rancan
    • 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

    Jewelry link forming apparatus
    • Patent number 6,619,024
    • Issue date Sep 16, 2003
    • Kalman Strobel
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Jewelry rope chain link element
    • Patent number 6,560,955
    • Issue date May 13, 2003
    • Meang K. Chia
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Exterior shaped link and method
    • Patent number 6,553,751
    • Issue date Apr 29, 2003
    • Eitan Weinberg
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Ornamental jewelry rope chain link element
    • Patent number 6,532,725
    • Issue date Mar 18, 2003
    • Meang K. Chia
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of forming a piece of flexible linear jewelry, and jewelry p...
    • Patent number 6,513,346
    • Issue date Feb 4, 2003
    • Uno a Erre Italia S.p.A.
    • Lazzeri Giovanni
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and apparatus for faceting hollow and solid chains
    • Patent number 6,513,316
    • Issue date Feb 4, 2003
    • Jorge Rolando Passaro
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method and apparatus for forming a wire
    • Patent number 6,508,001
    • Issue date Jan 21, 2003
    • Adipaz Ltd.
    • Manea Adrian
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of forming chain links
    • Patent number 6,484,488
    • Issue date Nov 26, 2002
    • David Rosenwasser
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents