Jean-Louis Vital

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Patents Grantslast 30 patents

Information Patent Grant
Dual-flow filter for biological effluent purification
- Patent number 6,171,487
- Issue date Jan 9, 2001
- Degremont
- Nicolas Rousseau
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Filtering apparatus
- Patent number 5,368,730
- Issue date Nov 29, 1994
- Degremont S.A.
- Jean-Louis Vital
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Oxidation and biological reduction reactor, biofiltration method an...
- Patent number 5,147,547
- Issue date Sep 15, 1992
- Degremont S.A.
- Vincent Savall
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
PULSED SLUDGE BED SETTLING METHOD AND DEVICE
- Publication number 20120111806
- Publication date May 10, 2012
- Degremont
- Chrystelle Langlais
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL