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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Charles Griswold — 4 Patents

SESequenom: 2 patents #55 of 124Top 45%
UCUnion Oil Company Of California: 2 patents #143 of 385Top 40%
Brea, CA: #120 of 438 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
Charles Griswold has been granted 4 US patents while listed as an inventor at Sequenom. The first was granted in 1985 and the most recent in January 2012. Charles Griswold ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Charles Griswold in Brea, CA, US.

Patents per Year

Patents granted per year, 1985 to 2012Bar chart with a peak of 1 patents in 1985.peak 11985: 1 patents19851988: 1 patents19882008: 1 patents20082012: 1 patents2012

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8088573 Methods and devices for performing chemical reactions on a solid support Paul Heaney, Chao Lin, David Opalsky, Phillip Bruce, III, Sheila A. Walker +2 more 2012-01-03 $4,417,000
7364897 Methods and devices for performing chemical reactions on a solid support Paul Heaney, Chao Lin, David Opalsky, Phillip Bruce, III, Sheila A. Walker +2 more 2008-04-29 $5,029,000
4746222 Mixing and cooling apparatus for hot, particulate matter Delwin E. Cobb, Chien-Cheng J. Shih 1988-05-24 $18,822,000
4543894 Process for staged combustion of retorted oil shale Ben A. Christolini 1985-10-01 $9,494,000