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

David Cornelius — 5 Patents

Sony: 6 patents #6,820 of 25,231Top 30%
Dow Corning: 1 patents #971 of 1,768Top 55%
SHShoretel: 1 patents #56 of 93Top 65%
Saginaw, MI: #118 of 671 inventorsTop 20%
Michigan: #18,552 of 86,293 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
David Cornelius has been granted 5 US patents while listed as an inventor at Sony. The first was granted in 1987 and the most recent in January 2007. David Cornelius ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list David Cornelius in Saginaw, MI, US.

Patents per Year

Patents granted per year, 1987 to 2007Bar chart with a peak of 2 patents in 2003.peak 21987: 1 patents19872001: 1 patents20012003: 2 patents20032007: 1 patents2007

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7167486 Voice traffic through a firewall Edwin J. Basart 2007-01-23
6523957 Flexible coupling for a self-propelled camera dolly Barry Walton, Bill Schultz, Chris Barker 2003-02-25 $365,000
6520641 Shooting a motion picture scene with a self-propelled camera dolly Barry Walton, Bill Schultz, Chris Barker 2003-02-18 $441,000
6264330 Self-propelled camera dolly Barry Walton, Bill Schultz, Chris Barker 2001-07-24 $704,000
4677141 Method of improving heat stability of pigmentable silicone elastomer Richard L. Przybyla 1987-06-30 $8,822,000