TREA

Making terminal or intermediate chain links of special shape making couplings for chains

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Industry

  • CPC
  • B21L13/00
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21LMAKING METAL CHAINS

Current Industry

B21L13/00Making terminal or intermediate chain links of special shape making couplings for chains
Industries

Patents Grantslast 30 patents

  • 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

    Drive chain and tool device for assembling or disassembling the same
    • Patent number 7,797,920
    • Issue date Sep 21, 2010
    • AMC Chain Industrial Co., Ltd.
    • Tzu-Feng Wang
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Pin assembly for conveyor chain
    • Patent number 7,600,633
    • Issue date Oct 13, 2009
    • Frost Links, Inc.
    • Jonathan M. Rathbun
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Jewelry chain link with faceted sides
    • Patent number 6,779,331
    • Issue date Aug 24, 2004
    • Eitan Weinberg
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Plate link for attaching a clasp link to an ornamental chain and a...
    • Patent number 6,230,961
    • Issue date May 15, 2001
    • Sergio Graser
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Jewelry wire bender
    • Patent number 5,632,086
    • Issue date May 27, 1997
    • Gary L. Helwig
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Link forming and joining apparatus
    • Patent number 5,592,809
    • Issue date Jan 14, 1997
    • Crafford Precision Products Co.
    • Anthony Marcotrigiano
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of making a rope chain with a jewelry component
    • Patent number 5,542,244
    • Issue date Aug 6, 1996
    • Meang Chia
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Shackle-type connector
    • Patent number 5,309,706
    • Issue date May 10, 1994
    • Lukas Hydraulik GmbH
    • Christoph Lasaroff
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Rope chain component
    • Patent number 5,301,498
    • Issue date Apr 12, 1994
    • Meang Chia
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Junction link and method for forming
    • Patent number 5,133,179
    • Issue date Jul 28, 1992
    • J. O. Bernt & Associates Limited
    • Jorgen O. Bernt
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of making shackle
    • Patent number 4,354,344
    • Issue date Oct 19, 1982
    • Kyoritsu Manufacturing Co., Ltd.
    • Kazutomo Yagi
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Swivel for cargo binders and the like
    • Patent number 4,080,782
    • Issue date Mar 28, 1978
    • Lake City Manufacturing Co.
    • Carl Colecchio
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Heavy duty shackle
    • Patent number 4,079,584
    • Issue date Mar 21, 1978
    • American Hoist and Derrick Company
    • James B. Shahan
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Chain coupling device and method of manufacture thereof
    • Patent number 4,063,413
    • Issue date Dec 20, 1977
    • Columbus McKinnon Corporation
    • Reuben Paul Benton
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3461666
    • Patent number 3,461,666
    • Issue date Aug 19, 1969
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3034172
    • Patent number 3,034,172
    • Issue date May 15, 1962
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2749610
    • Patent number 2,749,610
    • Issue date Jun 12, 1956
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2451254
    • Patent number 2,451,254
    • Issue date Oct 12, 1948
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2297278
    • Patent number 2,297,278
    • Issue date Sep 29, 1942
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2223942
    • Patent number 2,223,942
    • Issue date Dec 3, 1940
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    2180100
    • Patent number 2,180,100
    • Issue date Nov 14, 1939
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1959489
    • Patent number 1,959,489
    • Issue date May 22, 1934
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1875905
    • Patent number 1,875,905
    • Issue date Sep 6, 1932
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1753941
    • Patent number 1,753,941
    • Issue date Apr 8, 1930
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1753942
    • Patent number 1,753,942
    • Issue date Apr 8, 1930
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1568987
    • Patent number 1,568,987
    • Issue date Jan 12, 1926
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1562482
    • Patent number 1,562,482
    • Issue date Nov 24, 1925
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1561787
    • Patent number 1,561,787
    • Issue date Nov 17, 1925
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1437919
    • Patent number 1,437,919
    • Issue date Dec 5, 1922
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents