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Making chains or chain links by bending the chain links or link parts and subsequently welding or soldering the abutting ends
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Industry
CPC
B21L3/00
This industry / category may be too specific. Please go to a parent level for more data
Parent Industries
B
PERFORMING OPERATIONS TRANSPORTING
B21
Mechanical metalworking
B21L
MAKING METAL CHAINS
Current Industry
B21L3/00
Making chains or chain links by bending the chain links or link parts and subsequently welding or soldering the abutting ends
Sub Industries
B21L3/02
Machines or devices for welding chain links
B21L3/04
by making use of forge or pressure welding
Industries
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Patents Grants
last 30 patents
Information
Patent Grant
Chain consisting of oval profile chain links, and method for produc...
Patent number
8,813,468
Issue date
Aug 26, 2014
Pewag Austria GmbH
Aegyd Pengg
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for producing welded round and profile chains, chain links f...
Patent number
8,186,141
Issue date
May 29, 2012
Technische Universitaet Graz
Horst-Hannes Cerjak
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Interlaced compositions and methods of production
Patent number
7,332,641
Issue date
Feb 19, 2008
Clozex Medical LLC
Michael Lebner
F21 - LIGHTING
Information
Patent Grant
Method of making one-way chain
Patent number
7,310,934
Issue date
Dec 25, 2007
Peerless Chain Company
Robert D. Jensen
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
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
Stud link chain
Patent number
5,469,697
Issue date
Nov 28, 1995
Kuroki Chain Mfg., Co., Ltd.
Katsuhiko Kuroki
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Aluminum alloy chain and method of making same
Patent number
5,327,715
Issue date
Jul 12, 1994
Yamaha Hatsudoki Kabushiki Kaisha
Yoshitsugu Hiraguchi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Controlled pressure butt welding process and apparatus for carrying...
Patent number
4,959,519
Issue date
Sep 25, 1990
Meyer, Roth & Pastor Maschinenfabrik GmbH
Karl-Christoph Exner
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Electrical chain welding machine
Patent number
4,542,275
Issue date
Sep 17, 1985
Olof I. Andreasson
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Welding method and apparatus suitable for forming links in jewelry
Patent number
4,453,072
Issue date
Jun 5, 1984
Creative Fastening Methods, Inc.
Charles F. Middleton
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Chain making apparatus
Patent number
4,428,186
Issue date
Jan 31, 1984
ESAB Aktiebolag
Thomas Hedren
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for the production of ornamental link chains (Venetian chain...
Patent number
4,342,191
Issue date
Aug 3, 1982
Fico Fischer & Co.
Karl-Heinz Lange
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Apparatus for the production of ornamental link chains (venetian ch...
Patent number
4,338,779
Issue date
Jul 13, 1982
FICO Fischer & Co. Maschinenbau GmbH
Karl-Heinz Lange
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Apparatus for the successive welding of C-shaped, pre-bent, interli...
Patent number
4,267,421
Issue date
May 12, 1981
Meyer, Roth & Pastor
Karl-Julius Heppe
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Chain welding machine
Patent number
4,211,068
Issue date
Jul 8, 1980
Wafios, Maschinenfabrik, Wagner, Ficker & Schmid (GmbH & Co. KG)
Gerhard Lange
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of bending a link blank into a chain link and a bending mach...
Patent number
4,209,978
Issue date
Jul 1, 1980
Bulten-Kanthal AB
Sigge Johansson
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for flash butt welding of annular workpieces
Patent number
4,164,638
Issue date
Aug 14, 1979
Hugo Miebach GmbH
Klaus Ulmer
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Apparatus for positioning the links of a length of chain
Patent number
4,164,118
Issue date
Aug 14, 1979
Wafios, Maschinenfabrik, Wagner, Ficker & Schmid (GmbH & Co. KG)
Gerhard Lange
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Successive welding of immediately consecutive chain links
Patent number
4,149,058
Issue date
Apr 10, 1979
Meyer, Roth & Pastor Maschinenfabrik GmbH
Paul Rahn
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Chain welding machine
Patent number
4,139,982
Issue date
Feb 20, 1979
Wafios Maschinenfabrik, Wagner, Ficker & Schmid (GmbH & Co., KG)
Gerhard Lange
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Apparatus for the successive welding of consecutive chain links
Patent number
4,133,999
Issue date
Jan 9, 1979
Meyer, Roth & Pastor Maschinenfabrik GmbH
Bruno Ebel
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Butt welding apparatus
Patent number
4,075,451
Issue date
Feb 21, 1978
Meyer, Roth & Pastor Maschinenfabrik GmbH
Toni Wust
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Heavy-duty offshore stud chain link
Patent number
4,067,188
Issue date
Jan 10, 1978
Kyuroku Kabushiki-Kaisha
Soroku Takahashi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method and apparatus for the resistance heating of wire pins
Patent number
4,063,065
Issue date
Dec 13, 1977
Meyer, Roth & Pastor Maschinenfabrik GmbH
Toni Wust
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Chain welding machine
Patent number
4,051,667
Issue date
Oct 4, 1977
Wafios, Maschinenfabrik, Wagner, Ficker & Schmid (GmbH & Co. KG)
Gerhard Lange
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method and apparatus for the successive welding of consecutive chai...
Patent number
4,012,618
Issue date
Mar 15, 1977
Meyer, Roth & Pastor Maschinenfabrik GmbH
Bruno Ebel
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Automatic chain manufacturing system
Patent number
3,977,180
Issue date
Aug 31, 1976
S. G. Taylor Chain Company, Inc.
Richard L. Booth
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method and apparatus for welding a link chain
Patent number
3,959,965
Issue date
Jun 1, 1976
Meyer, Roth & Pastor Maschinenfabrik GmbH
Toni Wust
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of and apparatus for producing particularly high-strength ch...
Patent number
3,934,407
Issue date
Jan 27, 1976
Wafios, Maschinenfabrik, Wagner, Ficker & Schmid
Gerhard Lange
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
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
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
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 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
CHAIN CONSISTING OF OVAL PROFILE CHAIN LINKS, AND METHOD FOR PRODUC...
Publication number
20130333348
Publication date
Dec 19, 2013
Pewag Austria GmbH
Aegyd Pengg
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
METHOD FOR PRODUCING WELDED ROUND AND PROFILE CHAINS, CHAIN LINKS F...
Publication number
20100269479
Publication date
Oct 28, 2010
Pewag Austria GmbH
Horst-Hannes Cerjak
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
METHOD OF FORMING A JEWELRY CHAIN AND CHAIN FORMED THEREFROM
Publication number
20090241341
Publication date
Oct 1, 2009
ARIN S.A.
Angel Ramon Solanilla
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Silver chain manufacture
Publication number
20070095045
Publication date
May 3, 2007
MIDDLESEX SILVER CO. LIMITED
Peter Gamon Johns
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Interlaced compositions and methods of production
Publication number
20050080453
Publication date
Apr 14, 2005
ClozeX Medical, LLC
Michael Lebner
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Jewelry link forming apparatus
Publication number
20040055269
Publication date
Mar 25, 2004
Kalman Strobel
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...