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

David Varnon — 4 Patents

3S3D Systems: 2 patents #135 of 374Top 40%
ZSZodiac Pool Systems: 2 patents #37 of 83Top 45%
Santa Clarita, CA: #258 of 1,031 inventorsTop 30%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
David Varnon has been granted 4 US patents while listed as an inventor at 3D Systems. The first was granted in 2004 and the most recent in August 2012. David Varnon ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list David Varnon in Santa Clarita, CA, US.

Patents per Year

Patents granted per year, 2004 to 2012Bar chart with a peak of 2 patents in 2012.peak 22004: 1 patents20042005: 1 patents20052012: 2 patents2012

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8246055 Multi-lobed seal member Richard Asplund, Richard Spratling, Chad Hamilton 2012-08-21
8152128 Pump mount base Richard Asplund 2012-04-10
6902246 Quantized feed system for solid freeform fabrication Jon Fong, Raymond J. Bishop 2005-06-07 $3,913,000
D496684 Feed cartridge for three-dimensional object material Russell J. Goldfain 2004-09-28