Jean Gibaud

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Paris, FR

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Patents Grantslast 30 patents

Information Patent Grant
Device for the collection of water in a granular material bed filter
- Patent number 4,746,431
- Issue date May 24, 1988
- Degremont, S. A.
- Jean-Philippe Gibaud
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Submerged filter filled with granular material
- Patent number 4,604,197
- Issue date Aug 5, 1986
- Degremont
- Robert Louboutin
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE