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

David Main — 4 Patents

SASurgical Innovation Associates: 4 patents #1 of 25Top 4%
Leeds, GB: #105 of 690 inventorsTop 20%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
David Main has been granted 4 US patents while listed as an inventor at Surgical Innovation Associates. The first was granted in 2013 and the most recent in May 2020. David Main ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list David Main in Leeds, GB.

Patents per Year

Patents granted per year, 2013 to 2020Bar chart with a peak of 2 patents in 2016.peak 22013: 1 patents20132016: 2 patents20162020: 1 patents2020

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10653449 Cannula sealing Christopher Harrison 2020-05-19
9232936 Retractors 2016-01-12
9226740 Surgical instrument Michael S. White 2016-01-05
8551077 Handle for a surgical instrument and surgical instrument assembly Anna Sophia Hellinga, Peter Moran 2013-10-08