Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
JM

John R. Mahrenholz

JDJohn Deere: 4 patents #49 of 734Top 7%
Dubuque, IA: #5 of 98 inventorsTop 6%
Iowa: #82 of 1,785 inventorsTop 5%
Overall (2021): #47,128 of 548,734Top 9%
4 Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11028557 Attachment grade control for work vehicle Brett S. Graham, Alex R. Vandegrift, Nicholas Rokusek, Christopher J. Meyer, Walter Henson, II +1 more 2021-06-08
10995471 Dozer blade for work vehicle Brett S. Graham, Nilesh Kumbhar, Nicholas Rokusek, Michael R. Tigges, Walter Henson, II 2021-05-04
10988913 Blade for work vehicle Brett S. Graham, Nilesh Kumbhar, Nicholas Rokusek, Michael R. Tigges 2021-04-27
10975547 Two-dimensional attachment grade control for work vehicle 2021-04-13