Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Mark E. Barker — 5 Patents in 2023

JDJohn Deere: 5 patents #23 of 766Top 4%
Johnston, IA: #5 of 48 inventorsTop 15%
Iowa: #53 of 1,656 inventorsTop 4%
Overall (2023): #29,365 of 537,848Top 6%
5 Patents 2023

Issued Patents 2023

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11825762 Powered clearing-disks, control system, and method of use Cary S. Hubner, Grant J. Wonderlich 2023-11-28 $45,011,000
11818977 System and method for intercrop planting Noel W. Anderson 2023-11-21 $58,141,000
11730078 Work vehicle with row unit having variable steering angle Cole L. Murray, Grant J. Wonderlich, Michael E. Frasier, Nathan A. Mariman 2023-08-22 $91,849,000
11636771 Stackable housing containers and related systems Aaron A. Wells, Bradley J. Bauer, Troy K. Maddox 2023-04-25 $93,752,000
11618563 Self-aligning liquid coupler systems and related methods Nikhil V. Wagher 2023-04-04 $100,947,000