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

David B. Spry — 6 Patents

ExxonMobil: 4 patents #2,519 of 10,161Top 25%
Lebanon, NJ: #62 of 221 inventorsTop 30%
New Jersey: #14,312 of 69,400 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
David B. Spry has been granted 6 US patents while listed as an inventor at ExxonMobil. The first was granted in 2013 and the most recent in November 2025. David B. Spry ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list David B. Spry in Lebanon, NJ, US.

Patents per Year

Patents granted per year, 2013 to 2019Bar chart with a peak of 2 patents in 2019.peak 22013: 1 patents20132017: 1 patents20172019: 2 patents2019

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12460139 Solvent extraction system and process for hydrothermal liquefaction Emmanuela Diaz, Uriah J. Kilgore, Michael R. Thorson 2025-11-04
12454649 Hydrothermal liquefaction system with heat exchanger network Andrew Howard SCHMIDT, Lesley J. Snowden-Swan 2025-10-28
10421698 Production of high octane hydrocarbon from light alkane feed using oxidation and acid catalysis chemistry Jihad M. Dakka, Matthew S. Ide, Sumod Kalakkunnath, Guang Cao, Patrick L. Hanks +1 more 2019-09-24 $143,293,000
10421699 Production of iso-octene from tertiary alcohols Jihad M. Dakka, Cynthia F. Omilian, Matthew S. Ide, Jenna L. Walp, Ralph C. Dehaas 2019-09-24 $143,293,000
9739736 HF alkylation process Jeffrey M. Fitt 2017-08-22 $105,266,000
8614096 Humidity and temperature corrections to improve accuracy of HF ambient air monitors based on tunable diode laser IR absorption measurements Manuel S. Alvarez 2013-12-24 $279,051,000