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Jean-Marie Rovel
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Carrieres sur Seine, FR
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last 30 patents
Information
Patent Grant
Method for sewage treatment
Patent number
5,798,044
Issue date
Aug 25, 1998
Philipp Muller GmbH
Andreas Strohmeier
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Process for the biological purification of effluent
Patent number
5,348,653
Issue date
Sep 20, 1994
S.A. Degremont
Jean-Marie Rovel
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Fluidized bed reactor with means for ensuring homogeneous distribut...
Patent number
4,869,815
Issue date
Sep 26, 1989
Degremont
Jacques Bernard
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method for the treatment of liquids on granular materials
Patent number
4,659,476
Issue date
Apr 21, 1987
Degremont
Jean Burriat
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Tangential filtration apparatus and plant comprising such apparatus
Patent number
4,569,759
Issue date
Feb 11, 1986
Societe Lyonnaise des Eaux et de l'Eclairage
Roger Ben Aim
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Apparatus for the anaerobic filtration of waste water
Patent number
4,561,974
Issue date
Dec 31, 1985
Degremont
Jacques Bernard
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Process and apparatus for the anaerobic treatment of waste water in...
Patent number
4,482,458
Issue date
Nov 13, 1984
Degremont
Jean-Marie Rovel
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Process and apparatus for treating by ion exchange or adsorption fl...
Patent number
4,269,715
Issue date
May 26, 1981
Degremont
Christian Barraque
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL