Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DS

Dirk R. Smith — 5 Patents

3M: 4 patents #3,453 of 11,543Top 30%
TSTerumo Cardiovascular Systems: 1 patents #49 of 101Top 50%
Windom, MN: #690 of 2,819 inventorsTop 25%
Minnesota: #13,707 of 52,454 inventorsTop 30%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Dirk R. Smith has been granted 5 US patents while listed as an inventor at 3M. The first was granted in 1991 and the most recent in February 2006. Dirk R. Smith ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Dirk R. Smith in Windom, MN, US.

Patents per Year

Patents granted per year, 1991 to 2006Bar chart with a peak of 2 patents in 1991.peak 21991: 2 patents19911998: 1 patents19982000: 1 patents20002006: 1 patents2006

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7006005 Adapter pod for use in medical perfusion system Richard A. Nazarian, James R. Watts, Timothy J. Kriewall, Richard A. Griewski 2006-02-28
6164920 Perfusion system with control network Richard A. Nazarian, James R. Watts, Timothy J. Kriewall, Richard A. Griewski 2000-12-26 $48,740,000
5813972 Medical perfusion system with data communications network Richard A. Nazarian, James R. Watts, Timothy J. Kriewall, Richard A. Griewski 1998-09-29 $18,493,000
4993418 Doppler blood flow system and method using low frequency noise signal processing Billy L. Weaver 1991-02-19 $6,222,000
4989609 Doppler blood flow system and method using special zero flow rate analysis Billy L. Weaver 1991-02-05 $5,520,000