Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Jill E. Crumpacker — 2 Patents

Caterpillar: 2 patents #2,997 of 8,398Top 40%
Peoria, IL: #781 of 1,769 inventorsTop 45%
Illinois: #34,875 of 84,256 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Jill E. Crumpacker has been granted 2 US patents while listed as an inventor at Caterpillar. The first was granted in 1997 and the most recent in January 1999. Jill E. Crumpacker ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Jill E. Crumpacker in Peoria, IL, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5863481 Process for forming a high temperature resistant, flexible, pliable elements curable by false-melt technique Kurt Kelley 1999-01-26 $25,027,000
5620645 Process for forming high temperature resistant elements Chuong Q. Dam, Virgil R. Hester, Kurtis C. Kelley 1997-04-15 $31,150,000