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

David B. Rowland — 5 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
WLWyse Technology L.L.C.: 1 patents #61 of 102Top 60%
Raleigh, NC: #1,630 of 6,378 inventorsTop 30%
North Carolina: #10,126 of 45,564 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
David B. Rowland has been granted 5 US patents while listed as an inventor at Unknown. The first was granted in 1985 and the most recent in December 2005. David B. Rowland ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list David B. Rowland in Raleigh, NC, US.

Patents per Year

Patents granted per year, 1985 to 2005Bar chart with a peak of 2 patents in 2005.peak 21985: 1 patents19851986: 1 patents19861989: 1 patents19892005: 2 patents2005

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
D513251 Computing device Kevin Conyers, Jack M. Burriel, Bob Duncan, Mike DeNeffe, Jeff Mulhausen +1 more 2005-12-27
D503560 Stacking chair Otto Zapf 2005-04-05
4813025 Safety alert and locating system William Smith 1989-03-14
4606086 Lounge chair for reading 1986-08-19
4519018 Car dome light with accessory 1985-05-21