Rudolf Liebsch

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Voehringen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Copper-nickel-zinc alloy containing silicon
- Patent number 9,738,961
- Issue date Aug 22, 2017
- Wieland-Werke AG
- Hans-Achim Kuhn
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Refill for a ball-point pen and use thereof
- Patent number 9,637,808
- Issue date May 2, 2017
- Wieland-Werke AG
- Susanne Huettner
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Copper-nickel-zinc alloy containing silicon
- Patent number 9,617,629
- Issue date Apr 11, 2017
- Wieland-Werke AG
- Hans-Achim Kuhn
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
COPPER-NICKEL-ZINC ALLOY CONTAINING SILICON
- Publication number 20170016097
- Publication date Jan 19, 2017
- WIELAND-WERKE AG
- Hans-Achim KUHN
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
REFILL FOR A BALL-POINT PEN AND USE THEREOF
- Publication number 20160040269
- Publication date Feb 11, 2016
- WIELAND-WERKE AG
- Susanne HUETTNER
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
COPPER-NICKEL-ZINC ALLOY CONTAINING SILICON
- Publication number 20150041028
- Publication date Feb 12, 2015
- Hans-Achim Kuhn
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...