TREA

MAKING METAL CHAINS

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Industry

  • CPC
  • B21L

Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking

Current Industry

B21LMAKING METAL CHAINS

Sub Industries

B21L1/00Making chains or chain links by bending work-pieces of rod, wire, or strip to form links of oval or other simple shape B21L11/00Making chains or chain links of special shape B21L13/00Making terminal or intermediate chain links of special shape making couplings for chains B21L15/00Finishing or dressing chains or chain links B21L19/00Appurtenances for chain-making not restricted to any particular process B21L21/00Tools or implements for repairing chains using metal-working operations. B21L3/00Making chains or chain links by bending the chain links or link parts and subsequently welding or soldering the abutting ends B21L5/00Making chains or chain links by working the starting material in such a way that integral B21L7/00Making chains or chain links by cutting single loops or loop-parts from coils, assembling the cut parts and subsequently subjecting same to twisting with or without welding B21L9/00Making chains or chain links, the links being composed of two or more different parts B21L99/00Subject matter not provided for in other groups of this subclass
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Chain damping system and method
    • Patent number 12,234,886
    • Issue date Feb 25, 2025
    • Herbert J. Roth
    • 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

    Chain tool for different speed chains
    • Patent number 12,059,723
    • Issue date Aug 13, 2024
    • Louis Chuang
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Systems and methods for repairing chains
    • Patent number 11,958,102
    • Issue date Apr 16, 2024
    • Rexnord Industries, LLC
    • Joseph Leo Vento
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • 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

    Multi-tool system
    • Patent number 11,833,654
    • Issue date Dec 5, 2023
    • Wolf Tooth Components, LLC
    • Michael W. Pfeiffer
    • 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

    Multi-tool
    • Patent number 11,554,475
    • Issue date Jan 17, 2023
    • Wolf Tooth Components, LLC
    • Anthony C. Bacon
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Link press assembly and method of use
    • Patent number 11,518,130
    • Issue date Dec 6, 2022
    • WTC Machinery, LLC
    • David P. Serdynski
    • B30 - PRESSES
  • Information Patent Grant

    Chain tool
    • Patent number 11,458,529
    • Issue date Oct 4, 2022
    • Louis Chuang
    • 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

    Methods of assembly for wedge clutch with wedge chain
    • Patent number 11,285,527
    • Issue date Mar 29, 2022
    • Schaeffler Technologies AG & Co. KG
    • Brian Lee
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Chain belt and method of manufacturing the same
    • Patent number 11,181,168
    • Issue date Nov 23, 2021
    • Toyota Jidosha Kabushiki Kaisha
    • Yuji Hattori
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • 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

    Roller chain outer plate links: arrangements, systems of use, and m...
    • Patent number 11,054,004
    • Issue date Jul 6, 2021
    • FMH Conveyors LLC
    • William Mark Hogan
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • 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

    Machine component and method for producing the same
    • Patent number 10,835,982
    • Issue date Nov 17, 2020
    • Komatsu Ltd.
    • Masayuki Ohishi
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Chain drive system having anti-rotation features between pivot pin...
    • Patent number 10,830,309
    • Issue date Nov 10, 2020
    • BorgWarner Inc.
    • Travis J. Wentz
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Foldable tool kit with tire reparation function
    • Patent number 10,702,982
    • Issue date Jul 7, 2020
    • U-POWER COLLECTION ENTERPRISE CO., LTD.
    • Perry Tsai
    • B24 - GRINDING POLISHING
  • 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

    Roller chain outer plate links: arrangements, systems of use, and m...
    • Patent number 10,533,646
    • Issue date Jan 14, 2020
    • FMH Conveyors LLC
    • William Mark Hogan
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Chain and manufacturing method of a chain
    • Patent number 10,443,686
    • Issue date Oct 15, 2019
    • Daido Kogyo Co., Ltd
    • Motoki Tanaka
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Chain component and chain
    • Patent number 10,260,596
    • Issue date Apr 16, 2019
    • Tsubakimoto Chain Co.
    • Kazuyuki Ebinuma
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Tie strap with hardened integrated rivet for a saw chain
    • Patent number 10,195,759
    • Issue date Feb 5, 2019
    • Blount, Inc.
    • Christopher D. Seigneur
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • 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...

Patents Applicationslast 30 patents

  • Information Patent Application

    TOOL FOR DRIVING A CHAIN PIN OUT OF A CHAIN LINK
    • Publication number 20250042009
    • Publication date Feb 6, 2025
    • DAYSAVER AG
    • Daniel LANDOLT
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • 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

    PROCESSING CHAINS
    • Publication number 20250018462
    • Publication date Jan 16, 2025
    • Stephen Eudey
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Method and Apparatus for Chain Welding
    • Publication number 20240351095
    • Publication date Oct 24, 2024
    • PEWAG engineering GmbH
    • Oliver Tobin
    • 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

    BICYCLE TOOL MOUNTED IN BICYCLE TUBE
    • Publication number 20240033886
    • Publication date Feb 1, 2024
    • U-POWER COLLECTION ENTERPRISE CO., LTD.
    • Perry TSAI
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    CHAIN AND METHOD FOR MANUFACTURING A CHAIN
    • Publication number 20230321716
    • Publication date Oct 12, 2023
    • KAGA INDUSTRIES CO., LTD.
    • Yasunori TSUCHIGURO
    • 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

    CHAIN PULLERS
    • Publication number 20230061340
    • Publication date Mar 2, 2023
    • David Jones
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    LASER WELDABLE STERLING ALLOY
    • Publication number 20230019816
    • Publication date Jan 19, 2023
    • James Avery Craftsman, Inc.
    • Dejan Stojakovic
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    SYSTEMS AND METHODS FOR REPAIRING CHAINS
    • Publication number 20220362835
    • Publication date Nov 17, 2022
    • Rexnord Industries, LLC
    • Joseph Leo Vento
    • 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 TOOL FOR DIFFERENT SPEED CHAINS
    • Publication number 20220152691
    • Publication date May 19, 2022
    • Louis Chuang
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • 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 Tool
    • Publication number 20210245340
    • Publication date Aug 12, 2021
    • BIB Creative Co., Ltd.
    • Tomonari Ichikawa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    MULTI-TOOL
    • Publication number 20210197348
    • Publication date Jul 1, 2021
    • Wolf Tooth Components, LLC
    • Anthony C. Bacon
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    CHAIN REPLACEMENT APPARATUS
    • Publication number 20210162488
    • Publication date Jun 3, 2021
    • POUL CHANG METAL INDUSTRY CO., LTD.
    • CHIA-HAO HUANG
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    LINK PRESS ASSEMBLY AND METHOD OF USE
    • Publication number 20210154960
    • Publication date May 27, 2021
    • WTC Machinery, LLC
    • David P. Serdynski
    • B30 - PRESSES
  • 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

    CHAIN TOOL
    • Publication number 20200338628
    • Publication date Oct 29, 2020
    • Louis Chuang
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    ROLLER CHAIN OUTER PLATE LINKS: ARRANGEMENTS, SYSTEMS OF USE, AND M...
    • Publication number 20200109770
    • Publication date Apr 9, 2020
    • FMH Conveyors LLC
    • William Mark Hogan
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    METHODS OF ASSEMBLY FOR WEDGE CLUTCH WITH WEDGE CHAIN
    • Publication number 20200094313
    • Publication date Mar 26, 2020
    • SCHAEFFLER TECHNOLOGIES AG & CO. KG
    • Brian LEE
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Chain Drive System Having Anti-Rotation Features Between Pivot Pin...
    • Publication number 20200003275
    • Publication date Jan 2, 2020
    • BorgWarner Inc.
    • Travis J. WENTZ
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    STAINLESS STEEL ROLLER CHAIN WITH INCREASED DURABILITY
    • Publication number 20190338832
    • Publication date Nov 7, 2019
    • U.S. Tsubaki Holdings, Inc.
    • Charles R. Monty
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    CHAIN BELT AND METHOD OF MANUFACTURING THE SAME
    • Publication number 20190145495
    • Publication date May 16, 2019
    • Toyota Jidosha Kabushiki Kaisha
    • Yuji HATTORI
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    FOLDABLE TOOL KIT WITH TIRE REPARATION FUNCTION
    • Publication number 20190077002
    • Publication date Mar 14, 2019
    • U-POWER COLLECTION ENTERPRISE CO., LTD.
    • Perry TSAI
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...