Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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W. David Ellsworth — 1 Patent

HMHudson-Sharp Machine: 1 patents #10 of 12Top 85%
Macedon, NY: #128 of 195 inventorsTop 70%
New York: #67,828 of 115,490 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
W. David Ellsworth has been granted 1 US patent while listed as an inventor at Hudson-Sharp Machine. All of these patents were granted in 2002. W. David Ellsworth ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list W. David Ellsworth in Macedon, NY, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6452354 Closed loop control system for producing a sealed pouch Larry Powell, David I. Laber 2002-09-17