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

Mark Duncan — 3 Patents

SISharper Image: 3 patents #14 of 29Top 50%
San Francisco, CA: #11,477 of 26,999 inventorsTop 45%
California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,592,330 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7024280 Robot capable of detecting an edge Andrew Parker, Edward McKinney, Tristan M. Christianson, Richard J. Thalheimer, Shek Fai Lau +1 more 2006-04-04
6604022 Robot for autonomous operation Andrew Parker, Edward McKinney, Tristan M. Christianson, Richard J. Thalheimer, Shek Fai Lau +1 more 2003-08-05
6507773 Multi-functional robot with remote and video system Andrew Parker, Edward McKinney, Tristan M. Christianson, Richard J. Thalheimer, Shek Fai Lau +1 more 2003-01-14