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OTV SA
FR30 patents
Top patents by PatentIndex Score
US7001525B2Feb 21, 2006
Method for the treatment of water by ballasted flocculation and gravity separation with variable function modes
OTV SA57 citations94
US7578416B2Aug 25, 2009
Water purification apparatus
OTV SA26 citations92
US6966993B2Nov 22, 2005
Method and plant for thickening sludge derived from water treatment by flocculation-decantation with ballasted floc
OTV SA20 citations92
US6482304B1Nov 19, 2002
Apparatus and method of recirculating electrodeionization
OTV SA66 citations92
US6402917B1Jun 11, 2002
Electrodialysis apparatus
OTV SA77 citations92
US7648637B1Jan 19, 2010
Water treatment method by ballasted flocculation, settling, and prior adsorbent contact
OTV SA36 citations91
US7648638B2Jan 19, 2010
Method for treating wastewater
OTV SA27 citations89
US6645386B1Nov 11, 2003
Water treatment method by ballasted floc including a recycling of granular material
OTV SA45 citations89
US6824692B2Nov 30, 2004
Installation for measuring concentration in dense granular material of a flow and water treatment system comprising same
OTV SA44 citations87
US6966989B2Nov 22, 2005
Method and installation for the thermal hydrolysis of sludge
OTV SA39 citations86
US7244362B2Jul 17, 2007
Water treatment by ballasted flocs and degreasing
OTV SA18 citations84
US7101482B2Sep 5, 2006
Method and facility for treatment of sludge derive from biological water purification facilities
OTV SA25 citations83
US7981297B2Jul 19, 2011
Wastewater treatment method comprising decantation and fine screening stages
OTV SA8 citations81
US7374694B2May 20, 2008
Method for remineralizing raw water
OTV SA45 citations81
US7317193B2Jan 8, 2008
Ultraviolet radiation water disinfecting device
OTV SA10 citations80
US7683354B2Mar 23, 2010
Water treating reactor for the drinkability thereof
OTV SA10 citations78
US7722776B2May 25, 2010
Gravitational separation device for water treatment
OTV SA18 citations76
US6632365B1Oct 14, 2003
Method for treating an effluent using simultaneous nitrification/denitrification in a biological filter
OTV SA17 citations76
US7790022B2Sep 7, 2010
Water filter and treatment system and component
OTV SA10 citations75
US7695624B2Apr 13, 2010
Method and system for treating water and utilizing a membrane filtering system
OTV SA13 citations74
US7906018B2Mar 15, 2011
System for treating wastewater
OTV SA4 citations59
US7641800B2Jan 5, 2010
Use of an adsorbent for the removal of liquid, gaseous and/or dissolved constituents from a process stream
OTV SA5 citations59
US8043501B2Oct 25, 2011
Reagent injector for equipping a water treatment reactor, comprising a nozzle associated with a dispersing member, and corresponding water treatment device
OTV SA4 citations56
US7947228B2May 24, 2011
Device for disinfecting water by means of ultraviolet radiation
OTV SA5 citations56
US7273556B2Sep 25, 2007
Method for treating water containing manganese
OTV SA4 citations52
US7392910B2Jul 1, 2008
Lamellar decanting module and block comprising plates that can be vertical
OTV SA0 citations50
US7645391B2Jan 12, 2010
Supply device for ultraviolet lamps used in the treatment of water
OTV SA3 citations48
US7404898B2Jul 29, 2008
Method and installation for the production of lime water from deionised water
OTV SA2 citations46
US7069166B2Jun 27, 2006
Electronic systems
OTV SA0 citations45
US7796011B2Sep 14, 2010
Water treatment apparatus
OTV SA1 citations42