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Hans Hermanni
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Sinn-Fleisbach, 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
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 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
Information
Patent Grant
Wire-unwinding device
Patent number
5,248,104
Issue date
Sep 28, 1993
Berkenhoff GmbH
Heinrich Groos
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Wire electrode
Patent number
5,231,270
Issue date
Jul 27, 1993
Berkenhoff GmbH
Heinrich Groos
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Eroding electrode, in particular a wire electrode for the sparkeros...
Patent number
4,935,594
Issue date
Jun 19, 1990
Berkenhoff GmbH
Heinrich Groos
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Wire electrode for use in spark-erosive cutting
Patent number
4,924,050
Issue date
May 8, 1990
Berkenhoff GmbH
Hans Hermanni
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
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
High-strength erosion electrode
Publication number
20010045412
Publication date
Nov 29, 2001
Bernd Barthel
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR