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

John C. Smith — 7 Patents

Dow Corning: 2 patents #658 of 1,768Top 40%
LILexmark International: 1 patents #1,552 of 1,618Top 100%
ATAngstrom Technologies: 1 patents #8 of 9Top 90%
CACabot: 1 patents #336 of 601Top 60%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
John C. Smith has been granted 7 US patents while listed as an inventor at Dow Corning. The first was granted in 1981 and the most recent in October 2010. John C. Smith ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list John C. Smith in St Helens, NC, GB.

Patents per Year

Patents granted per year, 1981 to 2010Bar chart with a peak of 2 patents in 1981.peak 21981: 2 patents19811991: 1 patents19911998: 2 patents19981999: 1 patents19992010: 1 patents2010

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7821675 Methods and ink compositions for invisibly printed security images having multiple authentication features William J. Coyle 2010-10-26
5958999 Ink compositions and method for generating images produced therefrom Jodi A. Bates, James A. Belmont, Joseph E. Johnson 1999-09-28 $7,503,000
5759529 Silicone composition for skin care Gary E. LeGrow 1998-06-02 $90,979,000
5750098 Silicone compositions for skin care Gary E. LeGrow 1998-05-12 $15,198,000
5076843 Nonaqueous thermaljet ink compositions Mario A. Acitelli, Charles J. Merz, III, Frank M. Rose, Jr. 1991-12-31
4287274 Composite flexible film laminate Peter Ibbotson, Colin Frodsham 1981-09-01
4259379 Application of liquid material to webs Arthur Britton, Roger I. Davis, John A. Page 1981-03-31