Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Robert E. Romanchik

FUFuller: 3 patents #8 of 65Top 15%
Allentown, PA: #422 of 1,150 inventorsTop 40%
Pennsylvania: #23,606 of 74,527 inventorsTop 35%
Overall (All Time): #1,659,686 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5273073 Control valve for a particulate blender Marvyn L. Souders 1993-12-28
5040929 Loading system for particulate materials Kermit D. Paul 1991-08-20
4569596 Pneumatic conveying and material blending apparatus and method James C. Short 1986-02-11