Sabine Donath

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Oberhausen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method an device for introducing oxygen into water or aqueous solut...
- Patent number 6,200,476
- Issue date Mar 13, 2001
- Messer Griesheim GmbH
- Sabine Donath
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Device to deburr molded parts subject to low-temperature brittleness
- Patent number 4,918,876
- Issue date Apr 24, 1990
- Messer Griesheim GmbH
- Sabine Donath
- B24 - GRINDING POLISHING
Information Patent Grant
Device and method for the surface treatment of cold-embrittled parts
- Patent number 4,637,174
- Issue date Jan 20, 1987
- Messer Griesheim GmbH
- Sabine Donath
- B24 - GRINDING POLISHING