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

Christopher Fields

MOMocon: 1 patents #11 of 23Top 50%
Coon Rapids, MN: #209 of 498 inventorsTop 45%
Minnesota: #23,881 of 52,454 inventorsTop 50%
Overall (All Time): #1,702,465 of 4,157,543Top 45%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12255583 Temperature compensating adjustable ultraviolet lamp driver circuit and photoionization detector employing the driver circuit Charles R. Willcox, David Jennings 2025-03-18
12146854 Galvanic current protection for photoionization detector Charles R. Willcox, David Jennings 2024-11-19