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Steffen Hailer
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Bochum, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Method for positioning a welding bolt and bolt welding head
Patent number
6,933,458
Issue date
Aug 23, 2005
Nelson Bolzenschweiss-Technik GmbH & Co. KG
Ulrich Citrich
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for welding a bolt onto a workpiece and a bolt-welding device
Patent number
6,825,434
Issue date
Nov 30, 2004
Nelson Bolzenschweiss-Technik GmbH & Co. KG
Jürgen Madsak
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
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Patent Application
Method for positioning a welding bolt and bolt welding head
Publication number
20030141347
Publication date
Jul 31, 2003
Ulrich Citrich
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Method for welding a bolt onto a workpiece and a bolt-welding device
Publication number
20030141346
Publication date
Jul 31, 2003
Jurgen Madsak
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR