Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JB

James E. Barnhart — 1 Patent

Ncr: 1 patents #2,918 of 3,019Top 100%
Saint Peters, MO: #251 of 433 inventorsTop 60%
Missouri: #13,158 of 23,789 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
James E. Barnhart has been granted 1 US patent while listed as an inventor at Ncr. All of these patents were granted in 1990. James E. Barnhart ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list James E. Barnhart in Saint Peters, MO, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4931986 Computer system clock generator for generating tuned multiple clock signals Richard A. Daniel, Stuart C. Rowson, Woonsuk Paek 1990-06-05 $7,581,000