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

Christopher D. Harren

DMDouglas Machine: 2 patents #19 of 71Top 30%
Sauk Centre, MN: #42 of 100 inventorsTop 45%
Minnesota: #23,881 of 52,454 inventorsTop 50%
Overall (All Time): #1,850,048 of 4,157,543Top 45%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11383863 Robotic article handling system and operations Thomas H. Peterman, Christopher T. Davis, Matthew D. Toyli, Aaron M. Frederick, Richard W. Lukanen, Jr. 2022-07-12
10351355 Auto changeover infeed assembly Matthew D. Toyli, Richard W. Lukanen, Jr., Kevin P. Herickhoff 2019-07-16