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

Charles Knight — 8 Patents

ExxonMobil: 4 patents #2,519 of 10,161Top 25%
DEDepartment Of Energy: 1 patents #41 of 740Top 6%
TTThe University Of Toledo: 1 patents #199 of 439Top 50%
Knoxville, TN: #346 of 2,927 inventorsTop 15%
Tennessee: #2,376 of 20,272 inventorsTop 15%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Charles Knight has been granted 8 US patents while listed as an inventor at ExxonMobil. The first was granted in 1980 and the most recent in March 2015. Charles Knight ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Charles Knight in Knoxville, TN, US.

Patents per Year

Patents granted per year, 1980 to 2015Bar chart with a peak of 3 patents in 1990.peak 31980: 1 patents19801990: 3 patents19901991: 1 patents19912008: 1 patents20082009: 1 patents20092015: 1 patents2015

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8981068 Compositions of standardized mixtures for determining an amount of a nucleic acid James C. Willey, Brad Austermiller, Erin L. Crawford, Terry Osborn, Robert Zahorchak 2015-03-17
7527930 Compositions and methods of use of standardized mixtures for determining an amount of a nucleic acid James C. Willey, Brad Austermiller, Erin L. Crawford, Terry Osborn, Robert Zahorchak 2009-05-05
7333876 Systems and methods for providing electronic quality control in a process for applying a polyurethane to a substrate Augusto Caesar Ibay 2008-02-19
4982049 Purification of hydrocarbonaceous fractions Richard A. Alexander, Darrell D. Whitehurst 1991-01-01
4952747 Removal of diamondoid compounds from hydrocarbonaceous fractions Richard A. Alexander, Darrell D. Whitehurst 1990-08-28 $9,867,000
4952748 Purification of hydrocarbonaceous fractions Richard A. Alexander 1990-08-28 $9,867,000
4952749 Removal of diamondoid compounds from hydrocarbonaceous fractions Richard A. Alexander, Darrell D. Whitehurst 1990-08-28 $9,867,000
4187738 Rim for rotary inertial energy storage device and method Roy E. Pollard 1980-02-12