Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Coburn — 5 Patents

GE: 5 patents #6,849 of 36,430Top 20%
Somersworth, NH: #16 of 66 inventorsTop 25%
New Hampshire: #2,859 of 12,181 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
David Coburn has been granted 5 US patents while listed as an inventor at GE. The first was granted in 1988 and the most recent in May 2014. David Coburn ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list David Coburn in Somersworth, NH, US.

Patents per Year

Patents granted per year, 1988 to 2014Bar chart with a peak of 1 patents in 1988.peak 11988: 1 patents19881995: 1 patents19952000: 1 patents20002002: 1 patents20022014: 1 patents2014

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8727735 Rotor assembly and reversible turbine blade retainer therefor Michael J. Lee, Joseph Fagan 2014-05-20 $11,321,000
6400130 Primary current conductor configurations for a residential electronic meter Ertugrul Berkcan, Daniel A. Staver, David D. Elmore, Glenn Alan Watts 2002-06-04 $53,165,000
6023160 Electrical metering system having an electrical meter and an external current sensor 2000-02-08 $225,161,000
5451865 Method and apparatus for sensing an input current with a bridge circuit 1995-09-19 $40,336,000
4782286 Light load adjustment and air gap stabilization in voltage stators Aaron Dennis, Glenn Alan Watts 1988-11-01 $8,000,000