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Christoph Zeh
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Dresden, DE
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Patents Grants
last 30 patents
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Patent Grant
Method for marking workpieces, and workpiece
Patent number
11,235,368
Issue date
Feb 1, 2022
Fraunhofer-Gesellschaft zur Forderung der Angewandten Forschung E.V.
Christoph Zeh
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for marking workpieces and workpiece
Patent number
10,994,320
Issue date
May 4, 2021
Fraunhofer-Gesellschaft zur Forderung der Angewandten Forschung E.V.
Christoph Zeh
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for marking workpieces and workpiece
Patent number
10,086,420
Issue date
Oct 2, 2018
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung E.V.
Christoph Zeh
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
Information
Patent Application
Method for Marking Workpieces and Workpiece
Publication number
20220266617
Publication date
Aug 25, 2022
Fraunhofer Gesellschaft zur Forderung der angewandten Forschung e. V.
Thomas Härtling
B24 - GRINDING POLISHING
Information
Patent Application
Method for Marking Workpieces, and Workpiece
Publication number
20200030865
Publication date
Jan 30, 2020
Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung e.V.
Christoph Zeh
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Method for Marking Workpieces and Workpiece
Publication number
20190030581
Publication date
Jan 31, 2019
Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung e.V.
Christoph Zeh
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Method for Marking Workpieces and Workpiece
Publication number
20160339495
Publication date
Nov 24, 2016
Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung e.V.
Christoph Zeh
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...