Inventor

VELLINGA SJOERD HUBERTUS JOSEF

NL4 patents

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

PACQUES BV

2 patents

US7722768B2May 25, 2010

Process for the simultaneous removal of BOD and phosphate from waste water

PACQUES BV18 citations78

US7083729B2Aug 1, 2006

Device and method for cleaning a fluid, such as water

PACQUES BV4 citations57

VELLINGA SJOERD HUBERTUS JOSEF

1 patent

US8066878B2Nov 29, 2011

Anaerobic purification device

VELLINGA SJOERD HUBERTUS JOSEF2 citations48

ROZENDAL RENÉ ALEXANDER

1 patent

US8715504B2May 6, 2014

Process for removing sulfide from alkaline washing liquids

ROZENDAL RENÉ ALEXANDER1 citations38