Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Daniel K. Mather — 1 Patent

QTQuestair Technologies: 1 patents #19 of 35Top 55%
Madison, WI: #2,790 of 4,527 inventorsTop 65%
Wisconsin: #23,834 of 40,088 inventorsTop 60%
Overall (All Time): #3,480,399 of 4,157,543Top 85%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6742507 Feed composition modification for internal combustion engines Bowie G. Keefer, David E. Foster, Denis J. Connor, Carl F. Hunter, Todd W. Smith 2004-06-01