Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RR

Robert E. Romanchik — 3 Patents

FUFuller: 3 patents #8 of 65Top 15%
Allentown, PA: #424 of 1,150 inventorsTop 40%
Pennsylvania: #23,787 of 74,527 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Robert E. Romanchik has been granted 3 US patents while listed as an inventor at Fuller. The first was granted in 1986 and the most recent in December 1993. Robert E. Romanchik ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Robert E. Romanchik in Allentown, PA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5273073 Control valve for a particulate blender Marvyn L. Souders 1993-12-28 $3,474,000
5040929 Loading system for particulate materials Kermit D. Paul 1991-08-20 $3,035,000
4569596 Pneumatic conveying and material blending apparatus and method James C. Short 1986-02-11 $601,000