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USPTO Patent Rankings Data through Dec 31, 2025
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Don Frederick Hunter — 4 Patents

3S3D Systems: 3 patents #101 of 374Top 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Don Frederick Hunter has been granted 4 US patents while listed as an inventor at 3D Systems. The first was granted in 1990 and the most recent in November 2009. Don Frederick Hunter ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Don Frederick Hunter in Grödig, OR, AT.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7621733 Rapid prototyping and manufacturing system and method Gary Reynolds 2009-11-24 $5,018,000
7585450 Rapid prototyping and manufacturing system and method Ben Wahlstrom 2009-09-08 $4,381,000
7520740 Rapid prototyping and manufacturing system and method Ben Wahlstrom, Matthew Kaddeland Stonesmith 2009-04-21 $1,864,000
4971514 Stacking device for plate-like objects, in particular titer plates or the like 1990-11-20