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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Claire E. Rojohn — 1 Patent

JDJohn Deere: 1 patents #2,985 of 5,518Top 55%
Denver, IA: #10 of 28 inventorsTop 40%
Iowa: #8,818 of 15,303 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Claire E. Rojohn has been granted 1 US patent while listed as an inventor at John Deere. All of these patents were granted in 1988. Claire E. Rojohn ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Claire E. Rojohn in Denver, IA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4782714 Multi-range synchronized transmission and housing therefor John Wayne Schletzbaum, Howard T. Uehle, David L. Mixdorf, Kendall D. Tjepkes 1988-11-08 $19,453,000