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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Francis E. Hoffman — 1 Patent

BLBlount: 1 patents #99 of 164Top 65%
Gresham, OR: #110 of 243 inventorsTop 50%
Oregon: #17,193 of 28,073 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Francis E. Hoffman has been granted 1 US patent while listed as an inventor at Blount. All of these patents were granted in 1990. Francis E. Hoffman ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Francis E. Hoffman in Gresham, OR, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4920947 Chain saw components and system for cutting masonry and the like Lewis A. Scott, Kenneth R. Bolkan 1990-05-01