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

William J. Pappas

3S3D Systems: 3 patents #101 of 374Top 30%
PEPerkinelmer: 1 patents #280 of 671Top 45%
California: #124,610 of 386,348 inventorsTop 35%
Overall (All Time): #1,243,566 of 4,157,543Top 30%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7771183 Solid imaging system with removal of excess uncured build material Charles W. Hull, Jouni P. Partanen, Ray Soliz 2010-08-10
7731887 Method for removing excess uncured build material in solid imaging Charles W. Hull, Jouni P. Partanen, Ray Soliz, Mehdi Mojdeh 2010-06-08
7614866 Solid imaging apparatus and method Charles R. Sperry, Dennis F. McNamara, Jr., Suzanne M. Scott, Charles W. Hull, Jouni P. Partanen +2 more 2009-11-10
6621553 Apparatus and method for exposing substrates Gregory R. Baxter, Victor M. Jacobo 2003-09-16