Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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S. Mark Davis — 11 Patents

ExxonMobil: 11 patents #1,026 of 10,161Top 15%
Humble, TX: #51 of 498 inventorsTop 15%
Texas: #13,915 of 125,132 inventorsTop 15%
Overall (All Time): #435,149 of 4,157,543Top 15%
11 Patents All Time
S. Mark Davis has been granted 11 US patents while listed as an inventor at ExxonMobil. The first was granted in 2002 and the most recent in May 2016. S. Mark Davis ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list S. Mark Davis in Humble, TX, US.

Patents per Year

Patents granted per year, 2002 to 2016Bar chart with a peak of 5 patents in 2015.peak 52002: 1 patents20022013: 2 patents20132015: 5 patents20152016: 3 patents2016

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9327260 Integrated process for steam cracking Richard C. Stell, Jiunn-Shyan Liou, Stephen H. Brown, Paul F. Keusenkothen, Arthur R. Di Nicolantonio +1 more 2016-05-03 $156,763,000
9260361 Hydrocarbon conversion process Paul F. Keusenkothen, Frank Hershkowitz 2016-02-16 $113,518,000
9233893 Selective hydrogenation of alkynyl-containing compounds and polyunsaturated compounds Paul F. Keusenkothen, Charles J. Mart 2016-01-12 $148,788,000
9181147 Process for the production of xylenes and light olefins Larry L. Iaccino, John Di-Yi Ou, Xiaobo Zheng 2015-11-10 $233,388,000
9102884 Hydroprocessed product Teng Xu, Paul Edwards, Stephen H. Brown, Frank C. Wang 2015-08-11 $193,745,000
9090836 Upgrading hydrocarbon pyrolysis products Stephen H. Brown, Teng Xu, Keith G. Reed, Ananthakrishnan Bhasker 2015-07-28 $160,006,000
9067851 Selective hydrogenation of alkynyl-containing compounds Neeraj Sangar, Paul F. Keusenkothen 2015-06-30 $102,583,000
9056297 Integrated vacuum resid to chemicals conversion process Larry L. Iaccino, Richard C. Stell, Steven E. Silverberg, Jiunn-Shyan Liou, Howard Freund 2015-06-16 $120,639,000
8399729 Integrated process for steam cracking Richard C. Stell, Jiunn-Shyan Liou, Stephen H. Brown, Paul F. Keusenkothen, Arthur R. DiNicolantonio +1 more 2013-03-19 $65,652,000
8361311 Integrated vacuum resid to chemicals conversion process Larry L. Iaccino, Richard C. Stell, Steven E. Silverberg, Jiunn-Shyan Liou, Howard Freund 2013-01-29 $109,175,000
6429348 Method for selectively producing propylene by catalytically cracking an olefinic hydrocarbon feedstock Tan-Jen Chen, Luc R. M. Martens, Marcel Janssen, Philip A. Ruziska 2002-08-06 $430,714,000