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Courbevoie, FR
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Patents Grants
last 30 patents
Information
Patent Grant
Submerged membrane bioreactor for treatment of nitrogen containing...
Patent number
6,616,843
Issue date
Sep 9, 2003
Omnium de Traitement et de Valorisation
Henry Behmann
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method and installation for in situ testing of membrane integrity
Patent number
6,228,271
Issue date
May 8, 2001
Omnium de Traitement et de Valorisation (OTV)
M. Pierre Cote
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for checking and regulating the pressure loss in a biologica...
Patent number
6,083,396
Issue date
Jul 4, 2000
Omnium de Traitement et de Valorisation
Michele Payraudeau
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method and installation for treating an untreated flow by simple se...
Patent number
6,010,631
Issue date
Jan 4, 2000
Omnium de Traitement et de Valorisation (OTV)
Francoise Delsalle
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method and system for regulating the addition of oxygenated gas int...
Patent number
6,007,721
Issue date
Dec 28, 1999
Omnium de Traitement et de Valorisation (OTV)
Michele Payraudeau
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Process and installation for the treatment of effluents by oxidatio...
Patent number
5,972,226
Issue date
Oct 26, 1999
Omnium De Traitements et de Valorisation
Malik Djafer
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Installation for biological water treatment for the production of d...
Patent number
5,932,099
Issue date
Aug 3, 1999
Omnium de Traitements et de Valorisation (OTV)
Pierre Cote
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Sludge digestion method
Patent number
5,876,613
Issue date
Mar 2, 1999
Omnium De Traitements et de Valorisation
Christophe Bonnin
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method and installation for treating an untreated flow by simple se...
Patent number
5,840,195
Issue date
Nov 24, 1998
Omnium de Traitement et de Valorisation
Francoise Delsalle
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method of plain sedimentation and physical-chemical sedimentation o...
Patent number
5,770,091
Issue date
Jun 23, 1998
Omnium de Traitement et de Valorisation
Patrick Binot
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method and installation for purifying water using variably agitated...
Patent number
5,582,733
Issue date
Dec 10, 1996
Omnium de Traitements et de Valorisation
Gilbert Desbos
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Process and installation for biological treatment, e.g. by nitrific...
Patent number
5,192,441
Issue date
Mar 9, 1993
Omnium de Traitements et de Valorisation (O.T.V.)
Jacques Sibony
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method and installation for treating liquid by sedimentation using...
Patent number
4,927,543
Issue date
May 22, 1990
Omnium de Traitements et de Valorisation (OTV)
Guy P. Bablon
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Apparatus for processing solid wastes to produce a fuel
Patent number
4,692,167
Issue date
Sep 8, 1987
Omnium de Traitements et de Valorisation (O.T.V.)
Jean-Pierre Levasseur
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
74684547 - ACTIFLO
Serial number
74684547
Registration number
2129707
Filing date
Jun 5, 1995
Omnium de Traitements et de Valorisation (OTV)
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes