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

Donald F. Belz

CSCarter Control Systems: 1 patents #1 of 2Top 50%
Clear Spring, MD: #1 of 2 inventorsTop 50%
Maryland: #551 of 2,389 inventorsTop 25%
Overall (2002): #228,808 of 266,432Top 90%
1 Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6398014 Spiral conveyor apparatus with automatic flow control Duane L. Glass 2002-06-04