Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Chad A. Ackerman — 4 Patents

JDJohn Deere: 4 patents #1,212 of 5,518Top 25%
Urbana, IL: #215 of 974 inventorsTop 25%
Illinois: #21,640 of 84,256 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Chad A. Ackerman has been granted 4 US patents while listed as an inventor at John Deere. The first was granted in 2013 and the most recent in October 2022. Chad A. Ackerman ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Chad A. Ackerman in Urbana, IL, US.

Patents per Year

Patents granted per year, 2013 to 2022Bar chart with a peak of 1 patents in 2013.peak 12013: 1 patents20132019: 1 patents20192021: 1 patents20212022: 1 patents2022

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11480973 Robotic mower boundary detection system Nathan Ogden, Brittany Sprabery, Blake Heltsley, Patrick Feltes, Aaron Trask +1 more 2022-10-25 $226,614,000
10939606 Scouting systems Scott Stephens, Dolly Y. Wu, David S. Mercer, Mark A. Harris 2021-03-09 $93,149,000
10165722 Scouting systems Scott Stephens, Dolly Y. Wu, Mark A. Harris, David S. Mercer 2019-01-01
8364366 System and method for providing a safety zone associated with a vehicle Alex D. Foessel, Eric Derbez, Stewart J. Moorehead, Scott Stephens, Jeffrey S. Puhalla 2013-01-29 $35,303,000