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

David L. Sullivan — 9 Patents

SISaudi Basic Industries: 5 patents #74 of 474Top 20%
SBSabic Global Technologies B.V.: 2 patents #558 of 1,595Top 35%
Chevron: 1 patents #2,625 of 4,788Top 55%
EAE.I. Du Pont De Nemours And: 1 patents #8,799 of 12,129Top 75%
Sugar Land, TX: #357 of 1,869 inventorsTop 20%
Texas: #16,980 of 125,132 inventorsTop 15%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
David L. Sullivan has been granted 9 US patents while listed as an inventor at Saudi Basic Industries. The first was granted in 1991 and the most recent in December 2020. David L. Sullivan ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list David L. Sullivan in Sugar Land, TX, US.

Patents per Year

Patents granted per year, 1991 to 2020Bar chart with a peak of 2 patents in 2014.peak 21991: 1 patents19911995: 1 patents19952013: 1 patents20132014: 2 patents20142016: 1 patents20162018: 1 patents20182020: 2 patents2020

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10864505 Process for preparing hydrocracking catalyst Alla Khanmamedova, Ashim Kumar Ghosh, Scott A. Stevenson, Pooja Bajaj 2020-12-15
10865167 Hydrocracking process Ashim Kumar Ghosh, Alla Khanmamedova, Scott A. Stevenson, Luis Aramburo, Cong Nguyen 2020-12-15
10106474 Process for producing propylene and aromatics from butenes by metathesis and aromatization Jaap W. Van Hal, Scott A. Stevenson, Jim Allman, Travis Conant 2018-10-23
9446389 Hydrocarbon aromatization catalyst composition and method of formation Ashim Kumar Ghosh, Scott A. Stevenson, Corina Mihut, Neeta Kulkarni, Meghann Simmons +1 more 2016-09-20
8722940 High molybdenum mixed metal oxide catalysts for the production of unsaturated aldehydes from olefins James W. Kauffman, Joe D. Dostal 2014-05-13
8722950 Process for producing propylene and aromatics from butenes by metathesis and aromatization Jaap W. Van Hal, Scott A. Stevenson, Jim Allman, Travis Conant 2014-05-13
8481448 Catalyst for oxidation of saturated and unsaturated aldehydes to unsaturated carboxylic acid, method of making and method of using thereof Wugeng Liang, James W. Kauffman, Clark Rea, Joe Linzer, Shahid Shaikh 2013-07-09
5435073 Alignment tool for rotating equipment 1995-07-25 $8,578,000
5026461 Process for the preparation of dodecanedioic acid Darwin Darrell Davis 1991-06-25 $8,272,000