Jean R. Montagnon

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La Celle St. Cloud, FR

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Patents Grantslast 30 patents

Information Patent Grant
Biological contactor for purifying water to produce drinking water
- Patent number 5,087,354
- Issue date Feb 11, 1992
- Societe Pica - Produits Industriels et Charbons Actifs
- Jean R. Montagnon
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Biological contactor for purifying water to produce drinking water...
- Patent number 5,037,550
- Issue date Aug 6, 1991
- Societe Pica - Produits Industriels et Charbons Actifs
- Jean R. Montagnon
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Activated carbon filter having plural layers
- Patent number 4,166,037
- Issue date Aug 28, 1979
- Societe Pica
- Jean R. Montagnon
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE