OTV SA
Patent Owner
Stats
- 8 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- May 24, 2011 most recent publication
Details
- 8 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 727 Total Citation Count
- Feb 14, 1989 Earliest Filing
- 15 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
6645386 Water treatment method by ballasted floc including a recycling of granular materialJun 18, 01Nov 11, 03[C02F]
6632365 Method for treating an effluent using simultaneous nitrification/denitrification in a biological filterAug 15, 01Oct 14, 03[C02F]
6045698 Method for cleaning a filtration installation of the type with immersed membranesJul 30, 98Apr 04, 00[B08B, B01D]
5972226 Process and installation for the treatment of effluents by oxidation and denitrification in the presence of a heterogeneous catalystAug 23, 97Oct 26, 99[A62O, C02F]
5607593 Installation for making water potable with submerged filtering membranesNov 30, 94Mar 04, 97[B01D]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
7947228 Device for disinfecting water by means of ultraviolet radiationExpiredMay 17, 04May 24, 11[G01N, A62B, A61L]
2009/0255,872 AERATING DEVICE FOR A WATER FILTERING SYSTEM WITH IMMERSED MEMBRANES, INCLUDING A FLOOR PROVIDED WITH MEANS FOR INJECTING A GAS AND AT LEAST ONE PRESSURE BALANCING SYSTEMAbandonedMay 18, 07Oct 15, 09[C02F, B01D]
2009/0250,624 INSTALLATION AND METHOD FOR THE PURIFICATION OF AN AQUEOUS EFFLUENT BY MEANS OF OXIDATION AND MEMBRANE FILTRATIONAbandonedNov 09, 04Oct 08, 09[C02F]
2009/0218,281 Water Treating Method and Arrangement Integrating a Fixed-Bacteria Biological Treatment and Flocculation-DecantationAbandonedOct 23, 06Sep 03, 09[C02F]
2009/0066,316 Electrokinetic Method for Determining the Electrostatic Charge State of a Porous Membrane During Filtering and the Use ThereofAbandonedNov 28, 05Mar 12, 09[G01R]
2008/0035,563 Immersed-Membrane Water Treating Filtering Device Comprising Means Preventing Filterable Medium Backflowing to Filter Cleaning Gas Injecting MeansAbandonedApr 27, 05Feb 14, 08[B01F, C02F, B01D]
7311841 Method for treating water by ballasted flocculation and decantationExpiredDec 19, 02Dec 25, 07[C02F]
2005/0173,354 Acoustic sensor for obstruction in a device circulating vortex-flow fluidAbandonedMar 22, 05Aug 11, 05[B01D]
6824692 Installation for measuring concentration in dense granular material of a flow and water treatment system comprising sameExpiredSep 12, 02Nov 30, 04[B01D]
6379549 Method for treating water incorporating a sedimentation tank and a multilayer filter operating at high speedsExpiredApr 20, 00Apr 30, 02[B01D]
6228271 Method and installation for in situ testing of membrane integrityExpiredJul 19, 99May 08, 01[G01M]
5919047 Karaoke apparatus providing customized medley play by connecting plural music piecesExpiredFeb 24, 97Jul 06, 99[G09B, G10H, H04N]
4927543 Method and installation for treating liquid by sedimentation using fine sandExpiredFeb 14, 89May 22, 90[B01D]
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