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

John Clark — 5 Patents

ARArborgen: 5 patents #16 of 64Top 25%
Summerville, SC: #49 of 314 inventorsTop 20%
South Carolina: #3,003 of 15,501 inventorsTop 20%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
John Clark has been granted 5 US patents while listed as an inventor at Arborgen. The first was granted in 2010 and the most recent in December 2015. John Clark ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list John Clark in Summerville, SC, US.

Patents per Year

Patents granted per year, 2010 to 2015Bar chart with a peak of 2 patents in 2012.peak 22010: 1 patents20102012: 2 patents20122013: 1 patents20132015: 1 patents2015

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9222068 Apparatus for and method of preparing plant tissue for plant production Timothy Stout, Sydney Keith Seymour, Ronald Winkles 2015-12-29
8580566 Apparatus for and method of preparing plant tissue for plant production Timothy Stout, Sydney Symour, Ronald Winkles 2013-11-12
8313946 Liquid-based method for producing plant embryos Mike Becwar, LeShaun Swinton, Narender Nehra, Tim Stout 2012-11-20
8216841 Somatic embryogenesis and embryo harvesting and method for preparing plant embryos for plant production Narender Nehra, Mark Rutter, Jessica S. Sage, Sydney Keith Seymour, Timothy Stout +2 more 2012-07-10
7665243 Somatic embryogenesis and embryo harvesting and method and apparatus for preparing plant embryos for plant production Narender Nehra, Mark Rutter, Jessica S. Sage, Sydney Keith Seymour, Timothy Stout +2 more 2010-02-23