Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Duryea — 4 Patents

SPSpx: 3 patents #98 of 468Top 25%
Franklin, TN: #153 of 577 inventorsTop 30%
Tennessee: #4,599 of 20,272 inventorsTop 25%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
David Duryea has been granted 4 US patents while listed as an inventor at Spx. The first was granted in 2002 and the most recent in August 2016. David Duryea ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list David Duryea in Franklin, TN, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9428282 Obstruction light having wireless status transmission capability Mark Vernon Lane, Russell Bruner, Scott Fulton, Christopher Range 2016-08-30 $9,328,000
8998443 Beacon light having a lens Christopher Shumate, Handani Kam, Nimrod McDade, IV, Russell Bruner 2015-04-07 $6,628,000
8926148 Beacon light having a lens Christopher Shumate, Nimrod McDade, III, Russell Bruner, Handani Kam, Christopher Range 2015-01-06 $13,193,000
D465200 Programmable power strip 2002-11-05