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USPTO Patent Rankings Data through Dec 31, 2025
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John R. Porter — 29 Patents

ExxonMobil: 27 patents #343 of 10,161Top 4%
GRGeorgia Tech Research: 2 patents #592 of 2,755Top 25%
VAVarian: 1 patents #283 of 684Top 45%
Friendswood, TX: #10 of 480 inventorsTop 3%
Texas: #4,128 of 125,132 inventorsTop 4%
Overall (All Time): #127,851 of 4,157,543Top 4%
29 Patents All Time
John R. Porter has been granted 29 US patents while listed as an inventor at ExxonMobil. The first was granted in 1988 and the most recent in February 2021. John R. Porter ranks #127,851 of 4,157,543 US inventors in our database (top 3.1%). Patent records list John R. Porter in Friendswood, TX, US.

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10906851 Process for recovering para-xylene Meha Rungta, Robert G. Tinger, Jeevan S. Abichandani, Dana L. Pilliod, Anthony Go +2 more 2021-02-02 $919,649,000
10487022 Treatment of aromatic alkylation feedstock Robert G. Tinger, Indulis J. Eilands, Larry L. Iaccino 2019-11-26 $99,043,000
10392324 Xylene separation process Michael W. Weber, Yoshiaki Kawajiri, Michael Salciccioli, Gaurav Agrawal, Dana L. Pilliod +2 more 2019-08-27 $137,999,000
10300404 Process for the recovering of paraxylene Catherine M. Dorsi, Gaurav Agrawal, Michael W. Weber, Dana L. Pilliod 2019-05-28 $176,849,000
10286334 Process for removing water and/or oxygen from organic liquid Christopher L. Becker, Jonathan J. Watts 2019-05-14 $182,798,000
10059643 Process and apparatus for the production of para-xylene Timothy P. Bender, Dana L. Pilliod 2018-08-28 $88,182,000
9896398 Xylene separation process and apparatus Timothy P. Bender, Dana L. Pilliod 2018-02-20 $92,915,000
9890336 Method and apparatus for the purification of a hydrocarbon-containing stream John J. Monson, Thomas J. Waddick, Albert F. Seibert 2018-02-13 $159,109,000
9878968 Xylene separation process Michael W. Weber, Gaurav Agrawal 2018-01-30 $172,922,000
9850186 Paraxylene separation process Gaurav Agrawal, Michael W. Weber, Michael Salciccioli, Dana L. Pilliod, Timothy P. Bender 2017-12-26 $185,536,000
9802877 Process of producing para-xylene by alkylation of benzene and/or toluene including treatment of an alkylating agent to remove metal salts Robert G. Tinger, Indulis J. Eilands, Larry L. Iaccino 2017-10-31 $164,043,000
9517979 Process and apparatus for the production of para-xylene Timothy P. Bender, Dana L. Pilliod 2016-12-13 $369,162,000
9464012 Xylene separation process and apparatus Timothy P. Bender, Dana L. Pilliod 2016-10-11 $123,337,000
9302201 Apparatus for conducting simulated countercurrent adsorptive separation of a multi-component feed stream Dana L. Pilliod 2016-04-05 $146,513,000
9289745 Liquid phase isomerization process 2016-03-22 $171,216,000
9227888 Liquid phase isomerization process 2016-01-05 $253,414,000
8802913 Reduction in flushing volume in an adsorptive separation system 2014-08-12 $393,133,000
8692044 Process for producing para-xylene John Di-Yi Ou 2014-04-08 $106,351,000
8580120 Reduction in flushing volume in an adsorptive separation system 2013-11-12 $144,552,000
8569564 Separation system Dana L. Pilliod 2013-10-29 $188,081,000
8541639 Process for producing para-xylene John Di-Yi Ou 2013-09-24 $154,343,000
8529757 Parex unit feed Anthony Go, Dana L. Pilliod 2013-09-10 $65,771,000
8273934 Process for producing para-xylene John Di-Yi Ou 2012-09-25 $574,138,000
8168845 Separation process Dana L. Pilliod 2012-05-01 $194,161,000
7977526 Simulated countercurrent adsorptive separation process 2011-07-12