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

Pieter Krijgsman

Hattem, NL: #1 of 3 inventorsTop 35%
Overall (2002): #137,438 of 266,432Top 55%
1 Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6416682 Method of producing minerals under near-critical, critical and supercritical conditions Daniel J. W. Ijdo 2002-07-09