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

Donovan M. Janssen — 28 Patents

STStorage Technology: 14 patents #25 of 682Top 4%
IBM: 14 patents #8,004 of 70,183Top 15%
Boulder, CO: #186 of 5,018 inventorsTop 4%
Colorado: #1,171 of 40,980 inventorsTop 3%
Overall (All Time): #140,107 of 4,157,543Top 4%
28 Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
4295733 Automatic error collator capacity constraints using spare bin strategy William S. Seaward 1981-10-20
4229774 Self-adapting flow restrictors Anton J. Radman, William S. Seaward 1980-10-21
4208684 Damper for constant load arm Raymond E. Kellow, Sr., William A. Picker, Anton J. Radman 1980-06-17