Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
JK

Jan Van Krieken

PBPurac Biochem Bv: 1 patents #1 of 3Top 35%
Gorinchem, NL: #1 of 4 inventorsTop 25%
Overall (2005): #179,137 of 245,428Top 75%
1 Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6967257 Method of purifying lactic acid esters Johannes Jeichinus de Vries, Symone Kok 2005-11-22