Patrice Chatellier

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Paris, FR

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Patents Grantslast 30 patents

Information Patent Grant
Waste water treatment using activated sludge process
- Patent number 6,589,428
- Issue date Jul 8, 2003
- Suez-Lyonnaise des Eaux
- Bruno Bujon
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method for evaluating and controlling the biomass contained in wast...
- Patent number 6,375,845
- Issue date Apr 23, 2002
- Suez-Lyonnaise des Eaux
- Patrice Chatellier
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method for controlling and managing the biomass store of biological...
- Patent number 6,309,548
- Issue date Oct 30, 2001
- Suez-Lyonnaise des Eaux
- Patrice Chatellier
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method for controlling aeration systems of biological tanks treatin...
- Patent number 6,290,850
- Issue date Sep 18, 2001
- Suez-Lyonnaise des Eaux
- Patrice Chatellier
- G05 - CONTROLLING REGULATING