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

Robert Sandnes

PIPearson Incorporated: 3 patents #6 of 10Top 60%
Canton, SD: #5 of 19 inventorsTop 30%
South Dakota: #511 of 2,308 inventorsTop 25%
Overall (All Time): #1,404,256 of 4,157,543Top 35%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11826762 Grinding roll improvements Lucas Zebroski, Roy Olson, Alex Pearson, Joshua Tracy 2023-11-28
11077445 Grinding roll improvements Lucas Zebroski, Roy Olson, Alex Pearson, Joshua Tracy 2021-08-03
10933424 Grinding roll improvements Lucas Zebroski, Roy Olson, Alex Pearson, Joshua Tracy 2021-03-02