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USPTO Patent Rankings Data through Dec 31, 2025
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Bart A. Coffman — 2 Patents

JDJohn Deere: 2 patents #2,061 of 5,518Top 40%
Ottumwa, IA: #64 of 143 inventorsTop 45%
Iowa: #6,154 of 15,303 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Bart A. Coffman has been granted 2 US patents while listed as an inventor at John Deere. The first was granted in 2020 and the most recent in November 2025. Bart A. Coffman ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Bart A. Coffman in Ottumwa, IA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12477995 Round baler wrap usage indicator Daniel E. Derscheid, Eric M. Thies 2025-11-25
10588270 Baler feed system Eric R. Lang 2020-03-17 $12,858,000

Frequent Collaborators

Daniel E. Derscheid1 shared
Eric R. Lang1 shared
Eric M. Thies1 shared

Nearby-Ranked Inventors

Leonard Mattheis2
Yiqi SHI2
Roberto DiCecco2
Haoneng Xu2
Emily Chew2
So Young Bae2
Julian Alexander Georgi2
Yoshihiro Asahara2
Assaf Ariel2