HR

Hendrik Leendert Rieffe

UB Unichema Chemie B.V.: 2 patents #5 of 45Top 15%
UB Unilever Patent Holdings B.V.: 2 patents #73 of 552Top 15%
📍 Gouda, NL: #16 of 160 inventorsTop 10%
Overall (All Time): #1,271,396 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6346504 Lubricant Eric Appelman, Dirk Kenbeek 2002-02-12
6008167 Lubricant Eric Appelman, Dirk Kenbeek 1999-12-28
5707945 Base fluids Nigel Cooban 1998-01-13
5688750 Base fluid Nigel Cooban 1997-11-18