Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert J. Roxby — 3 Patents

JOJac Operations: 1 patents #17 of 22Top 80%
JPJac Patent: 1 patents #7 of 21Top 35%
Ebensburg, PA: #12 of 73 inventorsTop 20%
Pennsylvania: #23,787 of 74,527 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Robert J. Roxby has been granted 3 US patents while listed as an inventor at Jac Operations. The first was granted in 2003 and the most recent in November 2025. Robert J. Roxby ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Robert J. Roxby in Ebensburg, PA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12459549 Method and cast components for cold formed center sill rail car modification programs and railcars formed thereby Cloyd Wirick, Greg P. Josephson, Dave Single, Kerry Sauter 2025-11-04
12054183 Open top gondola railcar Greg P. Josephson, Michael H. Kress, Kerry Sauter, Cloyd Wirick 2024-08-06
6601522 Top chord structure 2003-08-05