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

David William Stubben

JDJohn Deere: 5 patents #959 of 5,518Top 20%
Dubuque, IA: #135 of 571 inventorsTop 25%
Iowa: #3,091 of 15,303 inventorsTop 25%
Overall (All Time): #1,028,268 of 4,157,543Top 25%
5 Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7575068 Full support bearing for grader circle 2009-08-18
6644429 Hydrostatic auxiliary drive system Gladys L. Evans, Judson Clark, Glenn O. Scheer, William Michael Walter, William Daniel Robinson +1 more 2003-11-11
5076370 Mounting assembly for a grader moldboard Dennis A. Brimeyer, Allan F. Loney 1991-12-31
4807461 Motor grader main frame Dennis A. Brimeyer 1989-02-28
4696350 Motor grader with saddle mounted to transverse pin on main frame Martin Lavern Ruhter, Dennis A. Brimeyer 1987-09-29