Inventor

VELLINGA SJOERD HUBERTUS JOZEF

NL10 patents

⚠️ This page may combine multiple inventors who share the name “VELLINGA SJOERD HUBERTUS JOZEF”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PACQUES BV

3 patents

US5518618AMay 21, 1996

System and process for purifying waste water which contains nitrogenous compounds

PACQUES BV60 citations94

US6063273AMay 16, 2000

Apparatus for the biological purification of waste water

PACQUES BV56 citations90

US5904850AMay 18, 1999

Settling device for a fluid containing liquid, gas and particulate material, as well as a cleaning device provided herewith and a method for cleaning waste water

PACQUES BV30 citations90

MICRO RESOURCES LTD

2 patents

US9534194B2Jan 3, 2017

Reactor for bulk production of photosynthetic microorganisms

MICRO RESOURCES LTD2 citations67

US10395286B2Aug 27, 2019

Reactor for bulk production of photosynthetic microorganisms

MICRO RESOURCES LTD0 citations46

VELLINGA SJOERD HUBERTUS JOZEF

1 patent

US8728318B2May 20, 2014

Settling device, purifier comprising a settling device and methods for anaerobic or aerobic purification of waste water

VELLINGA SJOERD HUBERTUS JOZEF7 citations74

PAQUES WATER SYSTEMS B V

1 patent

US6758886B2Jul 6, 2004

Three-phase separator and installation for biological purification of effluent

PAQUES WATER SYSTEMS B V8 citations70

PAQUES BIO SYST BV

1 patent

US6841072B2Jan 11, 2005

Method and device for the anaerobic purification of a slurry which contains organic constituents

PAQUES BIO SYST BV1 citations49

PAQUES IP BV

1 patent

US9944961B2Apr 17, 2018

Process for removing sulphide from an aqueous solution

PAQUES IP BV1 citations46

FRANKENA DOUWE

1 patent

US9233865B2Jan 12, 2016

Bioreactor comprising a mixing chamber

FRANKENA DOUWE0 citations23