TREA

Making chains or chain links by bending work-pieces of rod, wire, or strip to form links of oval or other simple shape

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Industry

  • CPC
  • B21L1/00
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21LMAKING METAL CHAINS

Current Industry

B21L1/00Making chains or chain links by bending work-pieces of rod, wire, or strip to form links of oval or other simple shape

Sub Industries

B21L1/02by bending the ends of the workpieces to abut B21L1/04by bending and interconnecting the ends of the workpieces with or without separate jointing members
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Wedge driver and method therefor
    • Patent number 12,285,796
    • Issue date Apr 29, 2025
    • BNSF Railway Company
    • Mike E. Teaford
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • 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

    Metal component and method for producing same
    • Patent number 12,065,729
    • Issue date Aug 20, 2024
    • Iwis Motorsysteme GmbH & Co. KG
    • Bernd Watzinger
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Wedge driver and method therefor
    • Patent number 11,850,656
    • Issue date Dec 26, 2023
    • BNSF Railway Company
    • Mike E. Teaford
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Chain link and conveyor chain comprising chain links, blank for a c...
    • Patent number 11,629,011
    • Issue date Apr 18, 2023
    • Rexnord FlatTop Europe B.V.
    • Franciscus Maria Bal
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Wedge driver and method therefor
    • Patent number 11,607,720
    • Issue date Mar 21, 2023
    • BNSF Railway Company
    • Mike E. Teaford
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Chain replacement apparatus
    • Patent number 11,298,741
    • Issue date Apr 12, 2022
    • Poul Chang Metal Industry Co., Ltd.
    • Chia-Hao Huang
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Jewelry cable
    • Patent number 11,160,336
    • Issue date Nov 2, 2021
    • David Yurman IP LLC
    • David M. Yurman
    • A44 - HABERDASHERY JEWELLERY
  • Information Patent Grant

    Chain intelligent pre-tensioning and chain length detection method...
    • Patent number 11,079,216
    • Issue date Aug 3, 2021
    • HANGZHOU DONGHUA CHAIN GROUP CO., LTD.
    • Bin Ye
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Chain element
    • Patent number 11,035,436
    • Issue date Jun 15, 2021
    • Schaeffler Technologies AG & Co. KG
    • Monir Asgar Pour Khezer Abad
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • 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

    Cleaning device, method and use for cleaning a pipe
    • Patent number 10,646,904
    • Issue date May 12, 2020
    • Picote Solutions Inc.
    • Mika Lokkinen
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Method for producing low-waste chain link plates
    • Patent number 10,145,449
    • Issue date Dec 4, 2018
    • Iwis Motorsysteme GmbH & Co. KG
    • Andreas Urbanek
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Automatic counting chain-cutting machine for round link chains
    • Patent number 9,889,482
    • Issue date Feb 13, 2018
    • ZHEJIANG SHUANGNIAO MACHINERY CO., LTD.
    • Xiaming Yu
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Chain link using a pressed-in member
    • Patent number 9,670,987
    • Issue date Jun 6, 2017
    • Caterpillar Inc.
    • Michael Robert Stolz
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Intermediate chain for drawing assemblies of drawing machines
    • Patent number 9,636,728
    • Issue date May 2, 2017
    • Danieli & C. Officine Meccaniche SpA
    • Fausto Menosso
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Chain
    • Patent number 9,463,958
    • Issue date Oct 11, 2016
    • Renold PLC
    • Michael Charles Christmas
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for producing a link-plate chain
    • Patent number 9,400,033
    • Issue date Jul 26, 2016
    • Schaeffler Technologies AG & Co. KG
    • Nicolas Rickling
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of making reduced backlash joint
    • Patent number 9,357,983
    • Issue date Jun 7, 2016
    • CareFusion 2200, Inc.
    • Mark Doyle
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Segmented synthetic rope structures, systems, and methods
    • Patent number 9,261,167
    • Issue date Feb 16, 2016
    • Samson Rope Technologies
    • Chia-Te Chou
    • D07 - ROPES CABLES OTHER THAN ELECTRIC
  • Information Patent Grant

    Assembly jig for pins for power transmission chain
    • Patent number 9,199,302
    • Issue date Dec 1, 2015
    • JTEKT Corporation
    • Kouji Fusayasu
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Fusible link
    • Patent number 9,157,506
    • Issue date Oct 13, 2015
    • NCVW Management Group, LLC
    • Greg Thurlow
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • 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

    Low-waste method for producing high-performance chain link plates
    • Patent number 9,003,758
    • Issue date Apr 14, 2015
    • IWIS Motorsysteme GmbH & Co., KG
    • Martin Bodensteiner
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of forming a bead chain
    • Patent number 8,904,744
    • Issue date Dec 9, 2014
    • National Chain Company
    • Steven A. Cipolla
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Winding member manufacturing method, winding member manufacturing a...
    • Patent number 8,863,368
    • Issue date Oct 21, 2014
    • JTEKT Corporation
    • Shinji Yasuhara
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Chain and coupling links
    • Patent number 8,756,907
    • Issue date Jun 24, 2014
    • ESCO Corporation
    • Terry L. Briscoe
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Segmented synthetic rope structures, systems, and methods
    • Patent number 8,689,534
    • Issue date Apr 8, 2014
    • Samson Rope Technologies
    • Chia-Te Chou
    • D07 - ROPES CABLES OTHER THAN ELECTRIC
  • Information Patent Grant

    Link chain with chain joints coated with a hard material
    • Patent number 8,661,776
    • Issue date Mar 4, 2014
    • IWIS Motorsysteme GmbH & Co., KG
    • Gerald Joergensen
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

  • Information Patent Application

    LASER WELDABLE STERLING ALLOY
    • Publication number 20250033110
    • Publication date Jan 30, 2025
    • James Avery Craftsman, Inc.
    • Dejan Stojakovic
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    METHOD FOR PRODUCING GOURMETTE JEWELLERY ARTICLES
    • Publication number 20240300006
    • Publication date Sep 12, 2024
    • MARCO BICEGO S.P.A.
    • Marco BICEGO
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    WEDGE DRIVER AND METHOD THEREFOR
    • Publication number 20240123491
    • Publication date Apr 18, 2024
    • BNSF Railway Company
    • Mike E. Teaford
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    WEDGE DRIVER AND METHOD THEREFOR
    • Publication number 20230110959
    • Publication date Apr 13, 2023
    • BNSF Railway Company
    • Mike E. Teaford
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    WEDGE DRIVER AND METHOD THEREFOR
    • Publication number 20220305547
    • Publication date Sep 29, 2022
    • BNSF Railway Company
    • Mike E. Teaford
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    CHAIN LINK AND CONVEYOR CHAIN COMPRISING CHAIN LINIKS, BLANK FOR A...
    • Publication number 20220144552
    • Publication date May 12, 2022
    • REXNORD FLATTOP EUROPE B.V.
    • Franciscus Maria Bal
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    JEWELRY LINK ASSEMBLY AND A METHOD OF ASSEMBLING JEWELRY CHAIN LINKS
    • Publication number 20210345736
    • Publication date Nov 11, 2021
    • Perry Straus
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    METHOD AND EQUIPMENT FOR MAKING JEWELRY PRODUCTS, IN PARTICULAR TEN...
    • Publication number 20210345738
    • Publication date Nov 11, 2021
    • Alessandro SARACINO
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    CHAIN INTELLIGENT PRETENSION AND CHAIN LENGTH DETECTION METHOD AND...
    • Publication number 20210041224
    • Publication date Feb 11, 2021
    • HANGZHOU DONGHUA CHAIN GROUP CO.,LTD.
    • Bin YE
    • G01 - MEASURING TESTING
  • Information Patent Application

    METAL COMPONENT AND METHOD FOR PRODUCING SAME
    • Publication number 20200399753
    • Publication date Dec 24, 2020
    • IWIS Motorsysteme GmbH & CO. KG
    • Bernd Watzinger
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    Cleaning device for internal cleaning of drain or sewer pipes and a...
    • Publication number 20180355599
    • Publication date Dec 13, 2018
    • Boldan Oy
    • Kim Kippo
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    CLEANING DEVICE, METHOD AND USE FOR CLEANING A PIPE
    • Publication number 20180126430
    • Publication date May 10, 2018
    • Innotia Eesti Oü
    • Mika Lokkinen
    • B08 - CLEANING
  • Information Patent Application

    CHAIN ELEMENT
    • Publication number 20160245367
    • Publication date Aug 25, 2016
    • SCHAEFFLER TECHNOLOGIES AG & CO. KG
    • Monir ASGAR POUR KHEZER ABAD
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    AUTOMATIC COUNTING CHAIN-CUTTING MACHINE FOR ROUND LINK CHAINS
    • Publication number 20160207096
    • Publication date Jul 21, 2016
    • ZHEJIANG SHUANGNIAO MACHINERY CO., LTD.
    • XIAMING YU
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    A CHAIN
    • Publication number 20160031679
    • Publication date Feb 4, 2016
    • RENOLD PLC
    • Michael Charles Christmas
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Fusible Link
    • Publication number 20150040533
    • Publication date Feb 12, 2015
    • NCVW Management Group, LLC
    • Greg Thurlow
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Wristlet Decorating Support Device
    • Publication number 20150001778
    • Publication date Jan 1, 2015
    • Brian Barnes
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • 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

    Segmented Synthetic Rope Structures, Systems, and Methods
    • Publication number 20140250856
    • Publication date Sep 11, 2014
    • SAMSON ROPE TECHNOLOGIES
    • Chia-Te Chou
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Chain and Coupling Links
    • Publication number 20130227927
    • Publication date Sep 5, 2013
    • Esco Corporation
    • Terry L. Briscoe
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Low-Waste Method for Producing High-Performance Chain Link Plates
    • Publication number 20130225345
    • Publication date Aug 29, 2013
    • iwis motorsysteme GmbH & Co., KG
    • Martin BODENSTEINER
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    REDUCED BACKFLASH JOINT AND METHOD OF MAKING SAME
    • Publication number 20130172858
    • Publication date Jul 4, 2013
    • CareFusion 2200, Inc.
    • Mark Doyle
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    APPARATUS FOR VERTICALLY LINKING TWO SECTIONS OF CHAIN
    • Publication number 20130091823
    • Publication date Apr 18, 2013
    • VICINAY CADENAS, S.A.
    • Nagore ABRISKETA LOZANO
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    LINK CHAIN WITH CHAIN JOINTS COATED WITH A HARD MATERIAL
    • Publication number 20130086881
    • Publication date Apr 11, 2013
    • IWIS MOTORSYSTEME GMBH & CO. KG
    • Gerald JOERGENSEN
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    Fusible Link
    • Publication number 20120284996
    • Publication date Nov 15, 2012
    • Dunn Investment, LLC
    • Greg Thurlow
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    DEVICE AND METHOD FOR STRETCHING A TRANSMISSION CHAIN
    • Publication number 20120159921
    • Publication date Jun 28, 2012
    • Jacobus Hubertus Maria Van Rooij
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    ASSEMBLY JIG FOR PINS FOR POWER TRANSMISSION CHAIN
    • Publication number 20120146278
    • Publication date Jun 14, 2012
    • JTEKT Corporation
    • Kouji FUSAYASU
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    METHOD FOR PRESSING A STUD
    • Publication number 20110072778
    • Publication date Mar 31, 2011
    • WELAPTEGA MARINE LIMITED
    • Anthony Hall
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    MOBILE APPARATUS FOR PRESSING A STUD
    • Publication number 20110072777
    • Publication date Mar 31, 2011
    • Welaptega Marine Limited
    • Anthony D. Hall
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    WINDING MEMBER MANUFACTURING METHOD, WINDING MEMBER MANUFACTURING A...
    • Publication number 20100071191
    • Publication date Mar 25, 2010
    • JTEKT Corporation
    • Shinji Yasuhara
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...