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USPTO Patent Rankings Data through Dec 31, 2025
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Thomas E. Drummond — 5 Patents

3M: 5 patents #2,950 of 11,543Top 30%
Stillwater, MN: #227 of 719 inventorsTop 35%
Minnesota: #13,707 of 52,454 inventorsTop 30%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Thomas E. Drummond has been granted 5 US patents while listed as an inventor at 3M. The first was granted in 2004 and the most recent in November 2013. Thomas E. Drummond ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Thomas E. Drummond in Stillwater, MN, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8594339 Power management for medical sensing devices employing multiple sensor signal feature detection Joel R. Dufresne, Hatim M. Carim 2013-11-26 $11,485,000
8548174 Modular electronic biosensor with interface for receiving disparate modules Joel R. Dufresne, Hatim M. Carim 2013-10-01 $14,680,000
7806226 Stethoscope with frictional noise reduction Hatim M. Carim, Craig D. Oster 2010-10-05 $16,879,000
6725966 Stethoscope 2004-04-27 $26,281,000
D487928 Stethoscope chestpiece Douglas W. Voegeli 2004-03-30