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

Wei-Chang Chen

DBDynamic Systems Holding Bv: 1 patents #1 of 2Top 50%
New Taipei, MD: #2 of 2 inventorsTop 100%
Overall (2004): #90,588 of 270,089Top 35%
1 Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6742440 Servo-controlled integral stop for use with a servo-controlled hydraulic piston Hugo S. Ferguson 2004-06-01