Friedrich Siepmann

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D-6100 Darmstadt, DE

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Patents Grantslast 30 patents

Information Patent Grant
Methods and apparatus for determining the content materials of a li...
- Patent number 7,330,262
- Issue date Feb 12, 2008
- Endress + Hauser Conducta Gesellschaft für Mess-und Regeltechnik mbH + Co. KG
- Friedrich W. Siepmann
- G01 - MEASURING TESTING
Information Patent Grant
Device for analyzing fluid samples
- Patent number 6,197,256
- Issue date Mar 6, 2001
- ISCO Inc.
- Friedrich Wilhelm Siepmann
- G01 - MEASURING TESTING
Information Patent Grant
Process and device for determining the biological oxygen demand of...
- Patent number 6,114,172
- Issue date Sep 5, 2000
- ISCO Inc.
- Friedrich W. Siepmann
- G01 - MEASURING TESTING
Information Patent Grant
Process for determining oxidizable substances contained in an aqueo...
- Patent number 5,324,666
- Issue date Jun 28, 1994
- Friedrich W. Siepmann
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for the detection of biodegradable and toxic substances i...
- Patent number 4,898,829
- Issue date Feb 6, 1990
- Friedrich W. Siepmann
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process for the detection of biodegradable and toxic substances in...
- Patent number 4,748,127
- Issue date May 31, 1988
- Friedrich Siepmann
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE