Alain Rigouard

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Echirolles, FR

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Patents Grantslast 30 patents

Information Patent Grant
Waste water sludge thickener with odor control
- Patent number 4,711,721
- Issue date Dec 8, 1987
- L'Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Ge...
- Bernard Jamonet
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process and device for the regeneration of a group of solid particl...
- Patent number 4,534,864
- Issue date Aug 13, 1985
- L'Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Ge...
- Alain Rigouard
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE