Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Mark E. Barker — 30 Patents

JDJohn Deere: 28 patents #75 of 5,518Top 2%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
Johnston, IA: #15 of 247 inventorsTop 7%
Iowa: #313 of 15,303 inventorsTop 3%
Overall (All Time): #121,623 of 4,157,543Top 3%
30 Patents All Time
Mark E. Barker has been granted 30 US patents while listed as an inventor at John Deere. The first was granted in 1997 and the most recent in November 2025. Mark E. Barker ranks #121,623 of 4,157,543 US inventors in our database (top 2.9%). Patent records list Mark E. Barker in Johnston, IA, US.

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
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
12020582 Stackable housing containers and related systems Aaron A. Wells, Bradley J. Bauer, Troy K. Maddox 2024-06-25 $68,944,000
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
11412654 Residue shield for row cleaner on an agricultural machine Kevin J. Goering, Steven C. Young, Elijah B. Garner, Dennis W. Bode, Susan G. Gray +1 more 2022-08-16 $110,471,000
10966364 Work vehicle with row unit having variable steering angle Cole L. Murray, Grant J. Wonderlich, Michael E. Frasier, Nathan A. Mariman 2021-04-06 $192,486,000
10913086 Drift sensor for agricultural spraying Richard A. Humpal, Aaron A. Wells 2021-02-09 $92,585,000
10905057 Thermal imaging drift sensor for agricultural spraying Ashish Anil Paralikar, Richard A. Humpal, Jui Desai, Paresh Bharatiya, Aaron A. Wells 2021-02-02 $161,394,000
10820585 Sprayer systems with retractable drop apparatuses Richard A. Humpal 2020-11-03 $16,029,000
10440942 Sprayer systems with drop apparatuses having retractable arms Richard A. Humpal 2019-10-15 $18,912,000
10252285 Mobile drift sensor for agricultural spraying Richard A. Humpal, Jui Desai, Paresh Bharatiya 2019-04-09 $53,506,000
10255770 System and method for nutrient leakage detection 2019-04-09 $53,506,000
9891629 Autonomous robotic agricultural machine and system thereof Cole L. Murray 2018-02-13 $41,195,000
9828771 Boom assembly joints Roger E. Daniels, Richard E. Humpal 2017-11-28 $29,012,000
9258989 Boom assembly joints Roger E. Daniels, Richard A. Humpal 2016-02-16 $22,122,000
9072213 Implement frame tube joint with weldable connector Richard J. Connell, Shawn J. Becker, Garrett Lee Goins, Jarrod R. Ruckle 2015-07-07 $10,940,000
8746589 Boom assembly joints Roger E. Daniels, Richard A. Humpal 2014-06-10 $11,395,000