Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Royce Abbott — 1 Patent

DEDelavan: 1 patents #70 of 131Top 55%
Des Moines, IA: #351 of 657 inventorsTop 55%
Iowa: #8,818 of 15,303 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Royce Abbott has been granted 1 US patent while listed as an inventor at Delavan. All of these patents were granted in 2011. Royce Abbott ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Royce Abbott in Des Moines, IA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8074895 Fuel injection and mixing systems having piezoelectric elements and methods of using the same Chien-Pei Mao, John Earl Short, Jim Klemm, Nick Overman, Spencer D. Pack +1 more 2011-12-13