Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.
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Mark E. Barker — 5 Patents in 2025

JDJohn Deere: 5 patents #24 of 670Top 4%
Johnston, IA: #4 of 54 inventorsTop 8%
Iowa: #42 of 1,331 inventorsTop 4%
Overall (2025): #22,092 of 469,880Top 5%
5 Patents 2025

Issued Patents 2025

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12404052 Self-aligning liquid coupler systems and related methods Nikhil V. Wagher 2025-09-02
12356880 Powered clearing-disks, control system, and method of use Cary S. Hubner, Grant J. Wonderlich 2025-07-15
12356884 Planter having a seeding system Noel W. Anderson 2025-07-15
12245543 Planter having a seeding system 2025-03-11
12213400 System and method for intercrop planting Noel W. Anderson 2025-02-04