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USPTO Patent Rankings Data through Dec 31, 2025
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Stephen Vaughn — 9 Patents

ExxonMobil: 9 patents #1,243 of 10,161Top 15%
Kingwood, TX: #129 of 726 inventorsTop 20%
Texas: #16,980 of 125,132 inventorsTop 15%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Stephen Vaughn has been granted 9 US patents while listed as an inventor at ExxonMobil. The first was granted in 2002 and the most recent in March 2013. Stephen Vaughn ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Stephen Vaughn in Kingwood, TX, US.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8399578 Synthesis of chabazite-containing molecular sieves and their use in the conversion of oxygenates to olefins Machteld M. Mertens 2013-03-19 $65,652,000
7541508 Molecular sieve catalyst composition, its making and use in conversion processes Yun-Feng Chang, Luc Martens, Kenneth R. Clem, Machteld M. Mertens, Albert E. Schweizer 2009-06-02 $445,602,000
7435598 Catalyst testing apparatus and process John K. Pierce, Douglas B. King, Christopher G. Lington 2008-10-14 $316,048,000
7084319 Catalyst fluidization in oxygenate to olefin reaction systems Keith H. Kuechler, Nicolas Coute, Jeffrey S. Smith, Stephen H. Brown, Richard B. Hall +1 more 2006-08-01 $313,442,000
7071136 Attrition resistant molecular sieve catalysts Yun-Feng Chang, Luc Martens, Kenneth R. Clem 2006-07-04
6768034 Catalytic production of olefins at high methanol partial pressures Shun C. Fung, Keith H. Kuechler, Jeffrey S. Smith, Nicolas Coute, Chunshe Cao 2004-07-27 $179,685,000
6740790 Making an olefin product from an oxygenate Keith H. Kuechler, Marcel Janssen, Shun C. Fung, Nicolas Coute, Jeffrey S. Smith +6 more 2004-05-25 $209,784,000
6673978 Process for making olefins Nicolas P. Coute', Keith H. Kuechler, Paul N. Chisholm, James R. Lattner, William L. Kuechler, Sr. 2004-01-06 $121,408,000
6437208 Making an olefin product from an oxygenate Keith H. Kuechler, Marcel Janssen, Shun C. Fung, Nicolas Coute, Jeffrey S. Smith +6 more 2002-08-20 $443,522,000