Assignee
DEGREMONT
FR·120 granted patents·10 pending applications·2,175 citations·filing 1974–2018
Top patents by PatentIndex Score
130 records- 0195US4482458AProcess and apparatus for the anaerobic treatment of waste water in a filter including granular materialDEGREMONT·Filed 1983·Granted Nov 13, 1984·96 cites·8 claims
- 0292US4633909AApparatus for the rapid in-line mixing of two fluidsDEGREMONT·Filed 1985·Granted Jan 6, 1987·93 cites·7 claims
- 0391US7651620B2Pressurised water releasing nozzle for generating microbubbles in a flotation plantDEGREMONT·Filed 2009·Granted Jan 26, 2010·18 cites·5 claims
- 0490US3956128AApparatus for treating industrial and domestic waste watersDEGREMONT·Filed 1975·Granted May 11, 1976·92 cites·4 claims
- 0588US6277285B1Process for the clarification of liquids and suspensionsDEGREMONT·Filed 2000·Granted Aug 21, 2001·49 cites·5 claims
- 0687US6808629B2Method for effluent purificationDEGREMONT·Filed 2001·Granted Oct 26, 2004·70 cites·14 claims
- 0786US4707252AFluid bed reactor for the biological treatment of waterDEGREMONT·Filed 1986·Granted Nov 17, 1987·65 cites·32 claims
- 0885US4561974AApparatus for the anaerobic filtration of waste waterDEGREMONT·Filed 1984·Granted Dec 31, 1985·53 cites·10 claims
- 0985US4136012ACompact apparatus for the purification of waste water by a physical chemical treatmentDEGREMONT·Filed 1977·Granted Jan 23, 1979·45 cites·17 claims
- 1084US4192742AProcess and apparatus for the biological treatment of waste waterDEGREMONT·Filed 1978·Granted Mar 11, 1980·52 cites·10 claims
- 1183US4216096AOzone generation device and electrodeDEGREMONT·Filed 1978·Granted Aug 5, 1980·31 cites·12 claims
- 1281US4156644APulsating sludge bed with inclined platesDEGREMONT·Filed 1977·Granted May 29, 1979·39 cites·19 claims
- 1380US4604197ASubmerged filter filled with granular materialDEGREMONT·Filed 1984·Granted Aug 5, 1986·47 cites·3 claims
- 1480US4579655AApparatus for treating water by flocculation and/or crystalline precipitation, settling and sludge recyclingDEGREMONT·Filed 1984·Granted Apr 1, 1986·40 cites·9 claims
- 1579US6077430AMethod for eliminating phosphorous contained in effluentsDEGREMONT·Filed 1997·Granted Jun 20, 2000·42 cites·9 claims
- 1679US5503747ADevice for treating waste water especially rainwaterDEGREMONT·Filed 1994·Granted Apr 2, 1996·52 cites·10 claims
- 1779US4142971AProcess and system for the dehydration of residuesDEGREMONT·Filed 1977·Granted Mar 6, 1979·43 cites·27 claims
- 1879USD247248SDiffusion plate for oxygenation treatment of sludge or the likeDEGREMONT·Filed 1976·Granted Feb 14, 1978·15 cites·1 claims
- 1977US6569336B1Method, device and use of said method for biological elimination of metal elements present in an ionized state in waterDEGREMONT·Filed 2000·Granted May 27, 2003·35 cites·17 claims
- 2075US4869815AFluidized bed reactor with means for ensuring homogeneous distribution of the fluid to be treatedDEGREMONT·Filed 1985·Granted Sep 26, 1989·40 cites·13 claims
- 2174US6210587B1Method for the physico-chemical treatment of effluents, in particular of surface water for consumptionDEGREMONT·Filed 1998·Granted Apr 3, 2001·42 cites·8 claims
- 2273US10040711B2Method and facility for the aerobic biological treatment of effluent, in particular wastewaterDEGREMONT·Filed 2014·Granted Aug 7, 2018·3 cites·17 claims
- 2372US5498347AReactor for the ozonization of waterDEGREMONT·Filed 1995·Granted Mar 12, 1996·42 cites·2 claims
- 2472US4051028AProcess for purifying waterDEGREMONT·Filed 1976·Granted Sep 27, 1977·18 cites·7 claims
- 2570US6024876AReactor for biologically removing organic pollutants from waterDEGREMONT·Filed 1997·Granted Feb 15, 2000·30 cites·28 claims
- 2669US9718717B2Optimised hydrothermal carbonisation method and facility for implementing sameDEGREMONT·Filed 2014·Granted Aug 1, 2017·1 cites·20 claims
- 2769US7169301B2Installation for water treatment by flotationDEGREMONT·Filed 2002·Granted Jan 30, 2007·12 cites·7 claims
- 2868US7240440B2Installation for drying waste, in particular wastewater purifying sludgeDEGREMONT·Filed 2003·Granted Jul 10, 2007·9 cites·2 claims
- 2967US6210588B1Method for the physico-chemical treatment of effluents in particular surface water for consumptionDEGREMONT·Filed 1998·Granted Apr 3, 2001·32 cites·38 claims
- 3067US4435286ALiquid filter deviceDEGREMONT·Filed 1982·Granted Mar 6, 1984·30 cites·8 claims
- 3166US4304671AApparatus and process for separating emulsions by coalescenceDEGREMONT·Filed 1979·Granted Dec 8, 1981·24 cites·15 claims
- 3265US6254778B1Method for purifying carbon-containing pollution and denitrifying waste water in oxygenic mediumDEGREMONT·Filed 1997·Granted Jul 3, 2001·27 cites·3 claims
- 3364US5643453AProcess for the treatment of liquid effluents by activated sludgeDEGREMONT·Filed 1995·Granted Jul 1, 1997·25 cites·11 claims
- 3464US5096232AApparatus for the rapid and the air and water tight joining of pipesDEGREMONT·Filed 1991·Granted Mar 17, 1992·27 cites·8 claims
- 3561US6403031B1Method for mineralization of organic pollutants in water by catalytic ozonizationDEGREMONT·Filed 1999·Granted Jun 11, 2002·31 cites·13 claims
- 3661US4627924AProcess and apparatus for the recovery of energy from an ozone production unitDEGREMONT·Filed 1985·Granted Dec 9, 1986·17 cites·10 claims
- 3760US7276165B2Method and plant for biological treatment of aqueous effluents for purification thereofDEGREMONT·Filed 2003·Granted Oct 2, 2007·15 cites·10 claims
- 3860US6036867AMethod for desalinating and demineralizing solutions containing acids and/or metal saltsDEGREMONT·Filed 1996·Granted Mar 14, 2000·35 cites·6 claims
- 3960US4900437ADevice for the introduction of a fluid in a receiving medium, such as that of an apparatus used for the treatment of liquids, notably waterDEGREMONT·Filed 1987·Granted Feb 13, 1990·35 cites·23 claims
- 4059US9295929B2Method for washing a filter having at least two layers of filtering media, in particular for filtering seawater, and equipment for implementing said methodDEGREMONT·Filed 2013·Granted Mar 29, 2016·3 cites·9 claims
- 4159US4305806AElectrolysis deviceDEGREMONT·Filed 1980·Granted Dec 15, 1981·15 cites·18 claims
- 4259US2010126694A1Silo for storing bulk products, in particular dried sludge from water treatment plantsDEGREMONT·Filed 2007·Application pending·0 cites
- 4358US7175768B2Method and device for clarification of liquids, particularly water, loaded with material in suspensionDEGREMONT·Filed 2003·Granted Feb 13, 2007·7 cites·6 claims
- 4458US5147547AOxidation and biological reduction reactor, biofiltration method and washing methods used in this reactorDEGREMONT·Filed 1991·Granted Sep 15, 1992·25 cites·14 claims
- 4558US4787978AMethod for the purification of waste water, notably of urban waste waterDEGREMONT·Filed 1987·Granted Nov 29, 1988·23 cites·9 claims
- 4658US4720347AMethod and apparatus for the filtration of a suspension by a granular filtrating layerDEGREMONT·Filed 1985·Granted Jan 19, 1988·30 cites·11 claims
- 4758US4338202AWater treatment process and apparatus and device for the distribution of water to be treated into and for the recovery from washing liquid from a water treatment filter apparatusDEGREMONT·Filed 1981·Granted Jul 6, 1982·18 cites·24 claims
- 4857US4111802AWater treatment apparatus and methodDEGREMONT·Filed 1977·Granted Sep 5, 1978·15 cites·44 claims
- 4955US7867397B2Method for purifying waste water with added oxidizing agentDEGREMONT·Filed 2006·Granted Jan 11, 2011·2 cites·7 claims
- 5055US4269715AProcess and apparatus for treating by ion exchange or adsorption fluids having solid particles suspended thereinDEGREMONT·Filed 1979·Granted May 26, 1981·13 cites·18 claims
Showing the top 50 of 130 patent records by PatentIndex Score.
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