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Bernd Barthel
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Herborn-Merkenbach, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Wire electrode and process for producing a wire electrode, particul...
Patent number
RE44789
Issue date
Mar 4, 2014
Berkenhoff GmbH
Bernd Barthel
428 - Stock material or miscellaneous articles
Information
Patent Grant
High-strength erosion electrode
Patent number
6,806,433
Issue date
Oct 19, 2004
Berkenhoff GmbH
Bernd Barthel
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Wire electrode with a structured interface surface
Patent number
6,794,597
Issue date
Sep 21, 2004
Berkenhoff GmbH
Heinrich Groos
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Wire electrode for spark erosion cutting
Patent number
6,781,081
Issue date
Aug 24, 2004
Berkenhoff GmbH
Heinrich Groos
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Wire electrode
Patent number
6,566,622
Issue date
May 20, 2003
Berkenhoff GmbH
Bernd Barthel
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
High-strength erosion electrode
Patent number
6,448,527
Issue date
Sep 10, 2002
Berkenhoff GmbH
Bernd Barthel
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Wire electrode and process for producing a wire electrode, particul...
Patent number
6,447,930
Issue date
Sep 10, 2002
Berkenhoff GmbH
Bernd Barthel
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Wire electrode for the spark-erosive cutting of hard metal
Patent number
6,348,667
Issue date
Feb 19, 2002
Berkenhoff GmbH
Ingo Baumann
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Wire spool
Patent number
D432396
Issue date
Oct 24, 2000
Berkenhoff GmbH
Bernd Barthel
D08 - Tools and hardware
Information
Patent Grant
Wire electrode and process for producing a wire electrode, particul...
Patent number
5,762,726
Issue date
Jun 9, 1998
Berkenhoff GmbH
Bernd Barthel
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
Wire electrode for spark-erosion cutting
Publication number
20230145912
Publication date
May 11, 2023
Berkenhoff Gmbh
Bernd BARTHEL
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Information
Patent Application
WIRE ELECTRODE FOR SPARK-EROSION CUTTING AND METHOD FOR PRODUCING S...
Publication number
20220212277
Publication date
Jul 7, 2022
Berkenhoff Gmbh
Tobias NÖTHE
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
High-strength erosion electrode
Publication number
20050029232
Publication date
Feb 10, 2005
Berkenhoff GmbH.
Bernd Barthel
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Wire electrode for spark erosion cutting
Publication number
20030057189
Publication date
Mar 27, 2003
Heinrich Groos
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Wire electrode with a structured interface surface
Publication number
20030057190
Publication date
Mar 27, 2003
Heinrich Groos
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
High-strength erosion electrode
Publication number
20010045412
Publication date
Nov 29, 2001
Bernd Barthel
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Wire electrode for the spark-erosive cutting of hard metal
Publication number
20010042735
Publication date
Nov 22, 2001
Ingo Baumann
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