Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Mark E. Barker — 6 Patents in 2025

JDJohn Deere: 6 patents #23 of 670Top 4%
Johnston, IA: #3 of 54 inventorsTop 6%
Iowa: #47 of 1,331 inventorsTop 4%
Overall (2025): #18,720 of 469,880Top 4%
6 Patents 2025

Issued Patents 2025

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12457914 Crop feeler device for machine row guidance 2025-11-04
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