Inventor · disambiguated record
Sjoerd Hubertus Jozef Vellinga
Also filed as: VELLINGA SJOERD · VELLINGA SJOERD H J · VELLINGA SJOERD HUBERTUS JOSEF · VELLINGA SJOERD HUBERTUS JOZEF
21 granted patents·1 pending application·369 citations·filing 1985–2016
95Inventor score
Top patents by PatentIndex Score
22 records- 0188US5518618ASystem and process for purifying waste water which contains nitrogenous compoundsPACQUES BV·Filed 1993·Granted May 21, 1996·60 cites·10 claims
- 0280US6063273AApparatus for the biological purification of waste waterPACQUES BV·Filed 1999·Granted May 16, 2000·56 cites·8 claims
- 0379US5338447ABioreactorPACQUES BV·Filed 1991·Granted Aug 16, 1994·29 cites·9 claims
- 0478US9534194B2Reactor for bulk production of photosynthetic microorganismsMICRO RESOURCES LTD·Filed 2014·Granted Jan 3, 2017·2 cites·17 claims
- 0578US5565098AReactor for the biological treatment of waterPACQUES BV·Filed 1993·Granted Oct 15, 1996·37 cites·12 claims
- 0676US7722768B2Process for the simultaneous removal of BOD and phosphate from waste waterPACQUES BV·Filed 2005·Granted May 25, 2010·18 cites·15 claims
- 0773US5431819AProcess for the biological treatment of solid organic materialPACQUES BV·Filed 1992·Granted Jul 11, 1995·30 cites·8 claims
- 0871US4609460AAnaerobic purification equipment for waste waterPACQUES BV·Filed 1985·Granted Sep 2, 1986·33 cites·10 claims
- 0969US8728318B2Settling device, purifier comprising a settling device and methods for anaerobic or aerobic purification of waste waterVELLINGA SJOERD HUBERTUS JOZEF·Filed 2009·Granted May 20, 2014·7 cites·20 claims
- 1068US9944961B2Process for removing sulphide from an aqueous solutionPAQUES IP BV·Filed 2014·Granted Apr 17, 2018·1 cites·17 claims
- 1167US6758886B2Three-phase separator and installation for biological purification of effluentPAQUES WATER SYSTEMS B V·Filed 2002·Granted Jul 6, 2004·8 cites·15 claims
- 1266US4758339AEquipment for the anaerobic purification of waste waterPACQUES BV·Filed 1987·Granted Jul 19, 1988·27 cites·4 claims
- 1364US5904850ASettling device for a fluid containing liquid, gas and particulate material, as well as a cleaning device provided herewith and a method for cleaning waste waterPACQUES BV·Filed 1996·Granted May 18, 1999·30 cites·14 claims
- 1462US8066878B2Anaerobic purification deviceVELLINGA SJOERD HUBERTUS JOSEF·Filed 2005·Granted Nov 29, 2011·2 cites·19 claims
- 1560US10395286B2Reactor for bulk production of photosynthetic microorganismsMICRO RESOURCES LTD·Filed 2016·Granted Aug 27, 2019·0 cites·8 claims
- 1657US6841072B2Method and device for the anaerobic purification of a slurry which contains organic constituentsPAQUES BIO SYST BV·Filed 2003·Granted Jan 11, 2005·1 cites·15 claims
- 1754US8715504B2Process for removing sulfide from alkaline washing liquidsROZENDAL RENÉ ALEXANDER·Filed 2008·Granted May 6, 2014·1 cites·20 claims
- 1854US7083729B2Device and method for cleaning a fluid, such as waterPACQUES BV·Filed 2001·Granted Aug 1, 2006·4 cites·20 claims
- 1950US4622147APlant for the anaerobic purification of waste waterPACQUES BV·Filed 1986·Granted Nov 11, 1986·16 cites·4 claims
- 2046US2011263009A1Method for the filtration of a bioreactor liquid from a bioreactor; cross-flow membrane module, and bioreactor membrane systemPAQUES IP BV·Filed 2009·Application pending·0 cites
- 2137US4707254AApparatus for purifying waterPACQUES BV·Filed 1987·Granted Nov 17, 1987·7 cites·4 claims
- 2231US9233865B2Bioreactor comprising a mixing chamberFRANKENA DOUWE·Filed 2010·Granted Jan 12, 2016·0 cites·17 claims
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