Assignee
OMNIUM TRAITEMENT VALORISA
FR·28 granted patents·1,525 citations·filing 1979–1999
Top patents by PatentIndex Score
28 records- 0195US6616843B1Submerged membrane bioreactor for treatment of nitrogen containing waterOMNIUM TRAITEMENT VALORISA·Filed 1999·Granted Sep 9, 2003·129 cites·13 claims
- 0294US5932099AInstallation for biological water treatment for the production of drinkable waterOMNIUM TRAITEMENT VALORISA·Filed 1997·Granted Aug 3, 1999·145 cites·17 claims
- 0393US6045698AMethod for cleaning a filtration installation of the type with immersed membranesOMNIUM TRAITEMENT VALORISA·Filed 1996·Granted Apr 4, 2000·172 cites·14 claims
- 0492US4800021AProcess for biologically purifying sewage on a bed of granular materialOMNIUM TRAITEMENT VALORISA·Filed 1987·Granted Jan 24, 1989·97 cites·5 claims
- 0591US4927543AMethod and installation for treating liquid by sedimentation using fine sandOMNIUM TRAITEMENT VALORISA·Filed 1989·Granted May 22, 1990·96 cites·20 claims
- 0689US5019268AMethod and apparatus for purifying waste waterOMNIUM TRAITEMENT VALORISA·Filed 1989·Granted May 28, 1991·106 cites·8 claims
- 0785US5725757AReactor for UV radiation for the treatment of liquidsOMNIUM TRAITEMENT VALORISA·Filed 1996·Granted Mar 10, 1998·65 cites·13 claims
- 0883US6010631AMethod and installation for treating an untreated flow by simple sedimentation after ballasting with fine sandOMNIUM TRAITEMENT VALORISA·Filed 1998·Granted Jan 4, 2000·66 cites·5 claims
- 0983US5364537AProcess for the oxidation of organic micropollutants in water using the O3 /H2 O2 combinationOMNIUM TRAITEMENT VALORISA·Filed 1992·Granted Nov 15, 1994·65 cites·7 claims
- 1082US5192441AProcess and installation for biological treatment, e.g. by nitrification and/or denitrification, of an effluent including nitrated pollutionOMNIUM TRAITEMENT VALORISA·Filed 1991·Granted Mar 9, 1993·54 cites·40 claims
- 1178US5460723ASurface water processing installation with safety barrierOMNIUM TRAITEMENT VALORISA·Filed 1992·Granted Oct 24, 1995·55 cites·25 claims
- 1277US5770091AMethod of plain sedimentation and physical-chemical sedimentation of domestic or industrial waste waterOMNIUM TRAITEMENT VALORISA·Filed 1996·Granted Jun 23, 1998·55 cites·23 claims
- 1377US5582733AMethod and installation for purifying water using variably agitated denitrifying physical-chemical sludgeOMNIUM TRAITEMENT VALORISA·Filed 1994·Granted Dec 10, 1996·53 cites·49 claims
- 1477US4692167AApparatus for processing solid wastes to produce a fuelOMNIUM TRAITEMENT VALORISA·Filed 1986·Granted Sep 8, 1987·38 cites·12 claims
- 1576US5840195AMethod and installation for treating an untreated flow by simple sedimentation after ballasting with fine sandOMNIUM TRAITEMENT VALORISA·Filed 1997·Granted Nov 24, 1998·50 cites·22 claims
- 1673US4504388AReactor for injection of gas into a liquidOMNIUM TRAITEMENT VALORISA·Filed 1983·Granted Mar 12, 1985·32 cites·8 claims
- 1770US6228271B1Method and installation for in situ testing of membrane integrityOMNIUM TRAITEMENT VALORISA·Filed 1997·Granted May 8, 2001·57 cites·16 claims
- 1867US5876613ASludge digestion methodOMNIUM TRAITEMENT VALORISA·Filed 1996·Granted Mar 2, 1999·36 cites·18 claims
- 1959US5314621AMethod for the biological purification of wastewaterOMNIUM TRAITEMENT VALORISA·Filed 1992·Granted May 24, 1994·28 cites·2 claims
- 2058US4795557AApparatus for gas transfer and flotation for treating water to be purifiedOMNIUM TRAITEMENT VALORISA·Filed 1987·Granted Jan 3, 1989·23 cites·23 claims
- 2153US5972226AProcess and installation for the treatment of effluents by oxidation and denitrification in the presence of a heterogeneous catalystOMNIUM TRAITEMENT VALORISA·Filed 1995·Granted Oct 26, 1999·20 cites·23 claims
- 2253US5858768AMethod for purifying and biodeodorizing gas effluentsOMNIUM TRAITEMENT VALORISA·Filed 1997·Granted Jan 12, 1999·23 cites·24 claims
- 2350US4255266AWater purification processOMNIUM TRAITEMENT VALORISA·Filed 1979·Granted Mar 10, 1981·16 cites·14 claims
- 2442US5795481AProcess for the treatment of aqueous effluents on biofilters or other devices making use of fixed culturesOMNIUM TRAITEMENT VALORISA·Filed 1996·Granted Aug 18, 1998·15 cites·14 claims
- 2542US5544598ASystem for injecting slurry to be incinerated into an incineration furnace, corresponding operating procedure, use and furnaceOMNIUM TRAITEMENT VALORISA·Filed 1995·Granted Aug 13, 1996·16 cites·17 claims
- 2636US4777138AScoop wheel fermentation unitOMNIUM TRAITEMENT VALORISA·Filed 1987·Granted Oct 11, 1988·3 cites·10 claims
- 2730US6007721AMethod and system for regulating the addition of oxygenated gas into a biofilter with rising currentsOMNIUM TRAITEMENT VALORISA·Filed 1998·Granted Dec 28, 1999·8 cites·16 claims
- 2829US6083396AMethod for checking and regulating the pressure loss in a biological filter and installation for embodiment of such a methodOMNIUM TRAITEMENT VALORISA·Filed 1998·Granted Jul 4, 2000·2 cites·11 claims
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