Assignee
INFILCO DEGREMONT INC
US·37 granted patents·2 pending applications·874 citations·filing 1984–2015
Top patents by PatentIndex Score
39 records- 0192US6375909B1Method for the removal of mercury and nitrogen oxides from combustion flue gasINFILCO DEGREMONT INC·Filed 2000·Granted Apr 23, 2002·169 cites·25 claims
- 0289US5368826AControl apparatus for fluid disinfection modules and systemsINFILCO DEGREMONT INC·Filed 1992·Granted Nov 29, 1994·75 cites·33 claims
- 0382US6383370B1Apparatus for treating wastewaterINFILCO DEGREMONT INC·Filed 2001·Granted May 7, 2002·37 cites·36 claims
- 0479US5487088AApparatus for monitoring lamp system statusINFILCO DEGREMONT INC·Filed 1993·Granted Jan 23, 1996·52 cites·29 claims
- 0575US5952663AApparatus for improving UV dosage applied to fluids in open channel UV disinfection systemsINFILCO DEGREMONT INC·Filed 1997·Granted Sep 14, 1999·53 cites·27 claims
- 0675US5135725AOzone generator equipment and methodsINFILCO DEGREMONT INC·Filed 1989·Granted Aug 4, 1992·36 cites·8 claims
- 0775US4537687AOpen gravity backwash filter and methodINFILCO DEGREMONT INC·Filed 1984·Granted Aug 27, 1985·38 cites·8 claims
- 0873US5211847ADenitrification methodsINFILCO DEGREMONT INC·Filed 1992·Granted May 18, 1993·48 cites·4 claims
- 0971US7097764B2Apparatus for irradiating fluids with UVINFILCO DEGREMONT INC·Filed 2003·Granted Aug 29, 2006·20 cites·11 claims
- 1070US7048852B2Method and apparatus for treating water or wastewater to reduce organic and hardness contaminationINFILCO DEGREMONT INC·Filed 2002·Granted May 23, 2006·26 cites·14 claims
- 1162US9969635B2Downflow denitrification systemINFILCO DEGREMONT INC·Filed 2012·Granted May 15, 2018·2 cites·17 claims
- 1262US5232585ADenitrification systemINFILCO DEGREMONT INC·Filed 1991·Granted Aug 3, 1993·32 cites·5 claims
- 1361US7985576B2Methods and systems for biological treatment of flue gas desulfurization wastewaterINFILCO DEGREMONT INC·Filed 2007·Granted Jul 26, 2011·2 cites·29 claims
- 1461US7090771B2Filtration system underdrainINFILCO DEGREMONT INC·Filed 2003·Granted Aug 15, 2006·13 cites·20 claims
- 1556US6620318B1Modular disinfection system for fluidsINFILCO DEGREMONT INC·Filed 2000·Granted Sep 16, 2003·4 cites·23 claims
- 1653US9291347B2Methods for incinerating sludge in a combustorINFILCO DEGREMONT INC·Filed 2012·Granted Mar 22, 2016·0 cites·5 claims
- 1752US5061375AGrit removal devices and method of using sameINFILCO DEGREMONT INC·Filed 1990·Granted Oct 29, 1991·20 cites·3 claims
- 1851US5332388AUltraviolet disinfection moduleINFILCO DEGREMONT INC·Filed 1992·Granted Jul 26, 1994·41 cites·31 claims
- 1950US5167840ASystems and methods for clarifying liquidsINFILCO DEGREMONT INC·Filed 1991·Granted Dec 1, 1992·25 cites·10 claims
- 2048US5089117AApparatus for sequentially backwashing a plurality of seriate filter bedsINFILCO DEGREMONT INC·Filed 1990·Granted Feb 18, 1992·16 cites·3 claims
- 2147US5564765AModule suspension apparatusINFILCO DEGREMONT INC·Filed 1994·Granted Oct 15, 1996·16 cites·19 claims
- 2246US5124049ALiquid purification methodsINFILCO DEGREMONT INC·Filed 1991·Granted Jun 23, 1992·18 cites·4 claims
- 2345US2015353392A1Ozone oxidation process for treatment of water containing azoles and azole-type compoundsINFILCO DEGREMONT INC·Filed 2015·Application pending·0 cites
- 2444US5061302ADissolved gas stripping apparatusINFILCO DEGREMONT INC·Filed 1990·Granted Oct 29, 1991·11 cites·5 claims
- 2543US9255022B2Biological-chemical treatment of liquid organic wastewaterINFILCO DEGREMONT INC·Filed 2013·Granted Feb 9, 2016·0 cites·25 claims
- 2643US5124034ALiquid purification systemsINFILCO DEGREMONT INC·Filed 1991·Granted Jun 23, 1992·16 cites·12 claims
- 2742US5137645ADeclining rate filter systems and methodsINFILCO DEGREMONT INC·Filed 1991·Granted Aug 11, 1992·19 cites·5 claims
- 2842US2014263043A1S/m for biological treatment of wastewater with selenium removalINFILCO DEGREMONT INC·Filed 2013·Application pending·0 cites
- 2939US5493124AApparatus for measuring radiation transmittance of a process fluidINFILCO DEGREMONT INC·Filed 1994·Granted Feb 20, 1996·10 cites·20 claims
- 3039US5281823APhotocell and quick attach clampINFILCO DEGREMONT INC·Filed 1992·Granted Jan 25, 1994·8 cites·19 claims
- 3138US5147560AMethod for monitoring turbidity of waste liquid in backwashing filter bedsINFILCO DEGREMONT INC·Filed 1991·Granted Sep 15, 1992·10 cites·4 claims
- 3236US5618421AUnderdrain filter plate installations in automatic backwash filter systemsINFILCO DEGREMONT INC·Filed 1996·Granted Apr 8, 1997·17 cites·7 claims
- 3334US5288398AFilter bed backwashing devices and methodsINFILCO DEGREMONT INC·Filed 1993·Granted Feb 22, 1994·11 cites·10 claims
- 3433US5089130AFilter cell sheet installationsINFILCO DEGREMONT INC·Filed 1990·Granted Feb 18, 1992·7 cites·5 claims
- 3532US5552045ASliding shoe unit for automatic backwash filtersINFILCO DEGREMONT INC·Filed 1996·Granted Sep 3, 1996·9 cites·10 claims
- 3631US5061378ASludge transfer systems and methodsINFILCO DEGREMONT INC·Filed 1990·Granted Oct 29, 1991·3 cites·5 claims
- 3728US5302822AQuick attach clamp for photocellsINFILCO DEGREMONT INC·Filed 1993·Granted Apr 12, 1994·2 cites·14 claims
- 3821US5154834ADisinfection by-products removal in water purificationINFILCO DEGREMONT INC·Filed 1991·Granted Oct 13, 1992·7 cites·10 claims
- 3920US5536417AMethods and systems for prewashing automatic backwashing filtersINFILCO DEGREMONT INC·Filed 1994·Granted Jul 16, 1996·1 cites·11 claims
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